int main(int argc,char *argv[]) {
char spinorfilename[100];
char * filename = NULL;
int sample=0, ts=0, ss=1, typeflag = 1, t0=0, piononly = 0, ext_sourceflag = 0;
int is, ic, j, filenameflag = 0, appendflag = 0;
complex co;
int c;
int prec=32;
verbose = 0;
g_use_clover_flag = 0;
nstore = 0;
L=0;
T=0;
#ifdef MPI
MPI_Init(&argc, &argv);
#endif
#ifdef OMP
/* FIXME: in principle this should not be set like this as it could result
in thread oversubscription when more than one process is run locally
unfortunately, there does not seem to be a standard way to determine
the number of "local" MPI processes */
omp_num_threads = omp_get_max_threads();
init_openmp();
#endif
while ((c = getopt(argc, argv, "h?NCpOEdao:L:T:n:t:s:S:P:")) != -1) {
switch (c) {
case 'L':
L = atoi(optarg);
LX = L;
LY = L;
LZ = L;
break;
case 'T':
T = atoi(optarg);
T_global = T;
break;
case 'N':
typeflag = 0;
break;
case 'd':
prec = 64;
break;
case 'O':
piononly = 1;
break;
case 'n':
nstore = atoi(optarg);
break;
case 's':
sample = atoi(optarg);
break;
case 't':
t0 = atoi(optarg);
break;
case 'S':
ss = atoi(optarg);
break;
case 'P':
ts = atoi(optarg);
break;
case 'o':
filename = calloc(200, sizeof(char));
strcpy(filename,optarg);
break;
case 'E':
ext_sourceflag = 1;
break;
case 'p':
filenameflag = 1;
break;
case 'a':
appendflag = 1;
break;
case 'h':
case '?':
default:
usage();
break;
}
}
if(ts == 0) {
ts = T;
}
if(filename == NULL){
filename = "source";
}
if(L==0 || T==0) {
if(g_proc_id == 0) {
fprintf(stderr, "L and T must be specified! Aborting...\n");
fflush( stderr );
}
exit(1);
}
tmlqcd_mpi_init(argc, argv);
j = init_geometry_indices(VOLUMEPLUSRAND);
if ( j!= 0) {
fprintf(stderr, "Not enough memory for geometry_indices! Aborting...\n");
exit(0);
}
if(!ext_sourceflag) {
j = init_spinor_field(VOLUMEPLUSRAND/2, 2);
}
else {
j = init_spinor_field(VOLUMEPLUSRAND/2, 4);
}
if ( j!= 0) {
fprintf(stderr, "Not enough memory for spinor fields! Aborting...\n");
exit(0);
}
/* define the geometry */
geometry();
if(!piononly) {
for(is = 0; is < 4; is ++) {
for(ic = 0; ic < 3; ic++) {
if(!filenameflag && !appendflag) {
sprintf(spinorfilename, "%s.%.4d.%.4d.%.2d.%.2d", filename, nstore, sample, t0, 3*is+ic);
}
else if(!filenameflag && appendflag) {
sprintf(spinorfilename, "%s.%.4d.%.4d.%.2d", filename, nstore, sample, t0);
}
else{
sprintf(spinorfilename, "%s.%.2d", filename, 3*is+ic);
}
if(!appendflag || (is == 0 && ic ==0)) {
printf("Generating source %s!\n", spinorfilename);
fflush(stdout);
}
source_generation_nucleon(g_spinor_field[0], g_spinor_field[1],
is, ic, t0, ts, ss, sample, nstore, typeflag);
co = scalar_prod(g_spinor_field[1], g_spinor_field[1], VOLUME/2, 1);
if((is == 0 && ic == 0) || appendflag == 0) {
write_source_type(0, spinorfilename);
}
write_source(g_spinor_field[0], g_spinor_field[1], spinorfilename, 1, prec);
}
}
}
else {
if(!ext_sourceflag) {
if(!filenameflag) {
sprintf(spinorfilename, "%s.%.4d.%.4d.%.2d", filename, nstore, sample, t0);
}
else {
sprintf(spinorfilename, "%s", filename);
}
printf("Generating source %s!\n", spinorfilename);
fflush(stdout);
source_generation_pion_only(g_spinor_field[0], g_spinor_field[1],
t0, sample, nstore);
co = scalar_prod(g_spinor_field[1], g_spinor_field[1], VOLUME/2, 1);
write_source_type(0, spinorfilename);
write_source(g_spinor_field[0], g_spinor_field[1], spinorfilename, 1, prec);
}
else {
if(!filenameflag) {
sprintf(spinorfilename, "%s.%.4d.%.4d.%.2d.inverted", filename, nstore, sample, t0);
}
else {
sprintf(spinorfilename, "%s.inverted", filename);
}
read_lime_spinor(g_spinor_field[0], g_spinor_field[1], spinorfilename, 0);
printf("Generating ext. pion source %s!\n", spinorfilename);
extended_pion_source(g_spinor_field[2], g_spinor_field[3],
g_spinor_field[0], g_spinor_field[1],
t0, 0., 0., 0.);
if(!filenameflag) {
sprintf(spinorfilename, "g%s.%.4d.%.4d.%.2d", filename, nstore, sample, t0);
}
else {
sprintf(spinorfilename, "g%s", filename);
}
write_source_type(0, spinorfilename);
write_source(g_spinor_field[2], g_spinor_field[3], spinorfilename, 1, prec);
}
}
#ifdef MPI
MPI_Finalize();
#endif
free_geometry_indices();
free_spinor_field();
return(0);
}
int main(int argc, char **argv) {
const int n_c=3;
const int n_s=4;
const char outfile_prefix[] = "delta_pp_2pt_v3";
int c, i, icomp;
int filename_set = 0;
int append, status;
int l_LX_at, l_LXstart_at;
int ix, it, iix, x1,x2,x3;
int ir, ir2, is;
int VOL3;
int do_gt=0;
int dims[3];
double *connt=NULL;
spinor_propagator_type *connq=NULL;
int verbose = 0;
int sx0, sx1, sx2, sx3;
int write_ascii=0;
int fermion_type = 1; // Wilson fermion type
int num_threads=1;
int pos;
char filename[200], contype[200], gauge_field_filename[200];
double ratime, retime;
//double plaq_m, plaq_r;
double *work=NULL;
fermion_propagator_type fp1=NULL, fp2=NULL, fp3=NULL, fp4=NULL, fpaux=NULL, uprop=NULL, dprop=NULL, *stochastic_fp=NULL;
spinor_propagator_type sp1, sp2;
double q[3], phase, *gauge_trafo=NULL;
double *stochastic_source=NULL, *stochastic_prop=NULL;
complex w, w1;
size_t items, bytes;
FILE *ofs;
int timeslice;
DML_Checksum ildg_gauge_field_checksum, *spinor_field_checksum=NULL, connq_checksum;
uint32_t nersc_gauge_field_checksum;
/***********************************************************/
int *qlatt_id=NULL, *qlatt_count=NULL, **qlatt_rep=NULL, **qlatt_map=NULL, qlatt_nclass=0;
int use_lattice_momenta = 0;
double **qlatt_list=NULL;
/***********************************************************/
/***********************************************************/
int rel_momentum_filename_set = 0, rel_momentum_no=0;
int **rel_momentum_list=NULL;
char rel_momentum_filename[200];
/***********************************************************/
/***********************************************************/
int snk_momentum_no = 1;
int **snk_momentum_list = NULL;
int snk_momentum_filename_set = 0;
char snk_momentum_filename[200];
/***********************************************************/
/*******************************************************************
* Gamma components for the Delta:
*/
//const int num_component = 16;
//int gamma_component[2][16] = { {0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3}, \
// {0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3}};
//double gamma_component_sign[16] = {1., 1.,-1., 1., 1., 1.,-1., 1.,-1.,-1., 1.,-1., 1., 1.,-1., 1.};
const int num_component = 4;
int gamma_component[2][4] = { {0, 1, 2, 3},
{0, 1, 2, 3} };
double gamma_component_sign[4] = {+1.,+1.,+1.,+1.};
/*
*******************************************************************/
fftw_complex *in=NULL;
#ifdef MPI
fftwnd_mpi_plan plan_p;
#else
fftwnd_plan plan_p;
#endif
#ifdef MPI
MPI_Status status;
#endif
#ifdef MPI
MPI_Init(&argc, &argv);
#endif
while ((c = getopt(argc, argv, "ah?vgf:t:F:p:P:")) != -1) {
switch (c) {
case 'v':
verbose = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'a':
write_ascii = 1;
fprintf(stdout, "# [] will write in ascii format\n");
break;
case 'F':
if(strcmp(optarg, "Wilson") == 0) {
fermion_type = _WILSON_FERMION;
} else if(strcmp(optarg, "tm") == 0) {
fermion_type = _TM_FERMION;
} else {
fprintf(stderr, "[] Error, unrecognized fermion type\n");
exit(145);
}
fprintf(stdout, "# [] will use fermion type %s ---> no. %d\n", optarg, fermion_type);
break;
case 't':
num_threads = atoi(optarg);
fprintf(stdout, "# [] number of threads set to %d\n", num_threads);
break;
case 's':
use_lattice_momenta = 1;
fprintf(stdout, "# [] will use lattice momenta\n");
break;
case 'p':
rel_momentum_filename_set = 1;
strcpy(rel_momentum_filename, optarg);
fprintf(stdout, "# [] will use current momentum file %s\n", rel_momentum_filename);
break;
case 'P':
snk_momentum_filename_set = 1;
strcpy(snk_momentum_filename, optarg);
fprintf(stdout, "# [] will use nucleon momentum file %s\n", snk_momentum_filename);
break;
case 'g':
do_gt = 1;
fprintf(stdout, "# [] will perform gauge transform\n");
break;
case 'h':
case '?':
default:
usage();
break;
}
}
#ifdef OPENMP
omp_set_num_threads(num_threads);
#endif
/* set the default values */
if(filename_set==0) strcpy(filename, "cvc.input");
fprintf(stdout, "# reading input from file %s\n", filename);
read_input_parser(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stdout, "T and L's must be set\n");
usage();
}
if(g_kappa == 0.) {
if(g_proc_id==0) fprintf(stdout, "kappa should be > 0.n");
usage();
}
/* initialize MPI parameters */
mpi_init(argc, argv);
#ifdef OPENMP
status = fftw_threads_init();
if(status != 0) {
fprintf(stderr, "\n[] Error from fftw_init_threads; status was %d\n", status);
exit(120);
}
#endif
/******************************************************
*
******************************************************/
VOL3 = LX*LY*LZ;
l_LX_at = LX;
l_LXstart_at = 0;
FFTW_LOC_VOLUME = T*LX*LY*LZ;
fprintf(stdout, "# [%2d] parameters:\n"\
"# [%2d] l_LX_at = %3d\n"\
"# [%2d] l_LXstart_at = %3d\n"\
"# [%2d] FFTW_LOC_VOLUME = %3d\n",
g_cart_id, g_cart_id, l_LX_at,
g_cart_id, l_LXstart_at, g_cart_id, FFTW_LOC_VOLUME);
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
exit(1);
}
geometry();
if(N_Jacobi>0) {
// alloc the gauge field
alloc_gauge_field(&g_gauge_field, VOL3);
switch(g_gauge_file_format) {
case 0:
sprintf(gauge_field_filename, "%s.%.4d", gaugefilename_prefix, Nconf);
break;
case 1:
sprintf(gauge_field_filename, "%s.%.5d", gaugefilename_prefix, Nconf);
break;
}
} else {
g_gauge_field = NULL;
}
/*********************************************************************
* gauge transformation
*********************************************************************/
if(do_gt) { init_gauge_trafo(&gauge_trafo, 1.); }
// determine the source location
sx0 = g_source_location/(LX*LY*LZ)-Tstart;
sx1 = (g_source_location%(LX*LY*LZ)) / (LY*LZ);
sx2 = (g_source_location%(LY*LZ)) / LZ;
sx3 = (g_source_location%LZ);
// g_source_time_slice = sx0;
fprintf(stdout, "# [] source location %d = (%d,%d,%d,%d)\n", g_source_location, sx0, sx1, sx2, sx3);
source_timeslice = sx0;
if(!use_lattice_momenta) {
status = make_qcont_orbits_3d_parity_avg(&qlatt_id, &qlatt_count, &qlatt_list, &qlatt_nclass, &qlatt_rep, &qlatt_map);
} else {
status = make_qlatt_orbits_3d_parity_avg(&qlatt_id, &qlatt_count, &qlatt_list, &qlatt_nclass, &qlatt_rep, &qlatt_map);
}
if(status != 0) {
fprintf(stderr, "\n[] Error while creating h4-lists\n");
exit(4);
}
fprintf(stdout, "# [] number of classes = %d\n", qlatt_nclass);
/***************************************************************************
* read the relative momenta q to be used
***************************************************************************/
/*
ofs = fopen(rel_momentum_filename, "r");
if(ofs == NULL) {
fprintf(stderr, "[] Error, could not open file %s for reading\n", rel_momentum_filename);
exit(6);
}
rel_momentum_no = 0;
while( fgets(line, 199, ofs) != NULL) {
if(line[0] != '#') {
rel_momentum_no++;
}
}
if(rel_momentum_no == 0) {
fprintf(stderr, "[] Error, number of momenta is zero\n");
exit(7);
} else {
fprintf(stdout, "# [] number of current momenta = %d\n", rel_momentum_no);
}
rewind(ofs);
rel_momentum_list = (int**)malloc(rel_momentum_no * sizeof(int*));
rel_momentum_list[0] = (int*)malloc(3*rel_momentum_no * sizeof(int));
for(i=1;i<rel_momentum_no;i++) { rel_momentum_list[i] = rel_momentum_list[i-1] + 3; }
count=0;
while( fgets(line, 199, ofs) != NULL) {
if(line[0] != '#') {
sscanf(line, "%d%d%d", rel_momentum_list[count], rel_momentum_list[count]+1, rel_momentum_list[count]+2);
count++;
}
}
fclose(ofs);
fprintf(stdout, "# [] current momentum list:\n");
for(i=0;i<rel_momentum_no;i++) {
fprintf(stdout, "\t%3d%3d%3d%3d\n", i, rel_momentum_list[i][0], rel_momentum_list[i][1], rel_momentum_list[i][2]);
}
*/
/***************************************************************************
* read the nucleon final momenta to be used
***************************************************************************/
ofs = fopen(snk_momentum_filename, "r");
if(ofs == NULL) {
fprintf(stderr, "[] Error, could not open file %s for reading\n", snk_momentum_filename);
exit(6);
}
snk_momentum_no = 0;
while( fgets(line, 199, ofs) != NULL) {
if(line[0] != '#') {
snk_momentum_no++;
}
}
if(snk_momentum_no == 0) {
fprintf(stderr, "[] Error, number of momenta is zero\n");
exit(7);
} else {
fprintf(stdout, "# [] number of nucleon final momenta = %d\n", snk_momentum_no);
}
rewind(ofs);
snk_momentum_list = (int**)malloc(snk_momentum_no * sizeof(int*));
snk_momentum_list[0] = (int*)malloc(3*snk_momentum_no * sizeof(int));
for(i=1;i<snk_momentum_no;i++) { snk_momentum_list[i] = snk_momentum_list[i-1] + 3; }
count=0;
while( fgets(line, 199, ofs) != NULL) {
if(line[0] != '#') {
sscanf(line, "%d%d%d", snk_momentum_list[count], snk_momentum_list[count]+1, snk_momentum_list[count]+2);
count++;
}
}
fclose(ofs);
fprintf(stdout, "# [] the nucleon final momentum list:\n");
for(i=0;i<snk_momentum_no;i++) {
fprintf(stdout, "\t%3d%3d%3d%3d\n", i, snk_momentum_list[i][0], snk_momentum_list[i][1], snk_momentum_list[i][1], snk_momentum_list[i][2]);
}
/***********************************************************
* allocate memory for the spinor fields
***********************************************************/
g_spinor_field = NULL;
if(fermion_type == _TM_FERMION) {
no_fields = 2*n_s*n_c+3;
} else {
no_fields = n_s*n_c+3;
}
if(N_Jacobi>0) no_fields++;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields-2; i++) alloc_spinor_field(&g_spinor_field[i], VOL3);
// work
if(N_Jacobi>0) work = g_spinor_field[no_fields-4];
// stochastic_fv
stochastic_fv = g_spinor_field[no_fields-3];
// stochastic source and propagator
alloc_spinor_field(&g_spinor_field[no_fields-2], VOLUME);
stochastic_source = g_spinor_field[no_fields-2];
alloc_spinor_field(&g_spinor_field[no_fields-1], VOLUME);
stochastic_prop = g_spinor_field[no_fields-1];
spinor_field_checksum = (DML_Checksum*)malloc(no_fields * sizeof(DML_Checksum) );
if(spinor_field_checksum == NULL ) {
fprintf(stderr, "[] Error, could not alloc checksums for spinor fields\n");
exit(73);
}
/*************************************************
* allocate memory for the contractions
*************************************************/
items = 4* num_component*T;
bytes = sizeof(double);
connt = (double*)malloc(items*bytes);
if(connt == NULL) {
fprintf(stderr, "\n[] Error, could not alloc connt\n");
exit(2);
}
for(ix=0; ix<items; ix++) connt[ix] = 0.;
items = num_component * (size_t)VOL3;
connq = create_sp_field( items );
if(connq == NULL) {
fprintf(stderr, "\n[] Error, could not alloc connq\n");
exit(2);
}
items = (size_t)VOL3;
stochastic_fp = create_sp_field( items );
if(stochastic_fp== NULL) {
fprintf(stderr, "\n[] Error, could not alloc stochastic_fp\n");
exit(22);
}
/******************************************************
* initialize FFTW
******************************************************/
items = g_fv_dim * (size_t)VOL3;
bytes = sizeof(fftw_complex);
in = (fftw_complex*)malloc( items * bytes );
if(in == NULL) {
fprintf(stderr, "[] Error, could not malloc in for FFTW\n");
exit(155);
}
dims[0]=LX; dims[1]=LY; dims[2]=LZ;
//plan_p = fftwnd_create_plan(3, dims, FFTW_FORWARD, FFTW_MEASURE | FFTW_IN_PLACE);
plan_p = fftwnd_create_plan_specific(3, dims, FFTW_FORWARD, FFTW_MEASURE, in, g_fv_dim, (fftw_complex*)( stochastic_fv ), g_fv_dim);
// create the fermion propagator points
create_fp(&uprop);
create_fp(&dprop);
create_fp(&fp1);
create_fp(&fp2);
create_fp(&fp3);
create_fp(&stochastic_fp);
create_sp(&sp1);
create_sp(&sp2);
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// !! implement twisting for _TM_FERMION
// !!
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#ifdef OPENMP
#pragma omp parallel for private(ix) shared(stochastic_prop)
#endif
for(ix=0;ix<VOLUME;ix++) { _fv_eq_zero(stochastic_prop+_GSI(ix)); }
for(sid=g_sourceid; sid<=g_sourceid2;sid+=g_sourceid_step) {
switch(g_soruce_type) {
case 2: // timeslice source
sprintf(filename, "%s.%.4d.%.2d.%.5d.inverted", filename_prefix, Nconf, source_timeslice, sid);
break;
default:
fprintf(stderr, "# [] source type %d not implented; exit\n", g_source_type);
exit(100);
}
fprintf(stdout, "# [] trying to read sample up-prop. from file %s\n", filename);
read_lime_spinor(stochastic_source, filename, 0);
#ifdef OPENMP
#pragma omp parallel for private(ix) shared(stochastic_prop, stochastic_source)
#endif
for(ix=0;ix<VOLUME;ix++) { _fv_pl_eq_fv(stochastic_prop+_GSI(ix), stochastic_source+_GSI(ix)); }
}
#ifdef OPENMP
#pragma omp parallel for private(ix) shared(stochastic_prop, stochastic_source)
#endif
fnorm = 1. / ( (double)(g_sourceid2 - g_sourceid + 1) * g_prop_normsqr );
for(ix=0;ix<VOLUME;ix++) { _fv_ti_eq_re(stochastic_prop+_GSI(ix), fnorm); }
// calculate the source
if(fermion_type && g_propagator_bc_type == 1) {
Q_Wilson_phi(stochastic_source, stochastic_prop);
} else {
Q_phi_tbc(stochastic_source, stochastic_prop);
}
/******************************************************
* prepare the stochastic fermion field
******************************************************/
// read timeslice of the gauge field
if( N_Jacobi>0) {
switch(g_gauge_file_format) {
case 0:
status = read_lime_gauge_field_doubleprec_timeslice(g_gauge_field, gauge_field_filename, source_timeslice, &ildg_gauge_field_checksum);
break;
case 1:
status = read_nersc_gauge_field_timeslice(g_gauge_field, gauge_field_filename, source_timeslice, &nersc_gauge_field_checksum);
break;
}
if(status != 0) {
fprintf(stderr, "[] Error, could not read gauge field\n");
exit(21);
}
for(i=0; i<N_ape; i++) {
#ifdef OPENMP
status = APE_Smearing_Step_Timeslice_threads(g_gauge_field, alpha_ape);
#else
status = APE_Smearing_Step_Timeslice(g_gauge_field, alpha_ape);
#endif
}
}
// read timeslice of the 12 up-type propagators and smear them
//
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// !! implement twisting for _TM_FERMION
// !!
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
for(is=0;is<n_s*n_c;is++) {
if(fermion_type != _TM_FERMION) {
sprintf(filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d.inverted", filename_prefix, Nconf, sx0, sx1, sx2, sx3, is);
} else {
sprintf(filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d.inverted", filename_prefix2, Nconf, sx0, sx1, sx2, sx3, is);
}
status = read_lime_spinor_timeslice(g_spinor_field[is], source_timeslice, filename, 0, spinor_field_checksum+is);
if(status != 0) {
fprintf(stderr, "[] Error, could not read propagator from file %s\n", filename);
exit(102);
}
if(N_Jacobi > 0) {
fprintf(stdout, "# [] Jacobi smearing propagator no. %d with paramters N_Jacobi=%d, kappa_Jacobi=%f\n",
is, N_Jacobi, kappa_Jacobi);
for(c=0; c<N_Jacobi; c++) {
#ifdef OPENMP
Jacobi_Smearing_Step_one_Timeslice_threads(g_gauge_field, g_spinor_field[is], work, kappa_Jacobi);
#else
Jacobi_Smearing_Step_one_Timeslice(g_gauge_field, g_spinor_field[is], work, kappa_Jacobi);
#endif
}
}
}
for(is=0;is<g_fv_dim;is++) {
for(ix=0;ix<VOL3;ix++) {
iix = source_timeslice * VOL3 + ix;
_fv_eq_gamma_ti_fv(spinor1, 5, g_spinor_field[is]+_GSI(iix));
_co_eq_fv_dagger_ti_fv(&w, stochastic_source+_GSI(ix), spinor1);
stochastic_fv[_GSI(ix)+2*is ] = w.re;
stochastic_fv[_GSI(ix)+2*is+1] = w.im;
}
}
// Fourier transform
items = g_fv_dim * (size_t)VOL3;
bytes = sizeof(double);
memcpy(in, stochastic_fv, items*bytes );
#ifdef OPENMP
fftwnd_threads(num_threads, plan_p, g_fv_dim, in, g_fv_dim, 1, (fftw_complex*)(stochastic_fv), g_fv_dim, 1);
#else
fftwnd(plan_p, g_fv_dim, in, g_fv_dim, 1, (fftw_complex*)(stochastic_fv), g_fv_dim, 1);
#endif
/******************************************************
* loop on sink momenta (most likely only one: Q=(0,0,0))
******************************************************/
for(imom_snk=0;imom_snk<snk_momentum_no; imom_snk++) {
// create Phi_tilde
_fv_eq_zero( spinor2 );
for(ix=0;ix<LX;ix++) {
for(iy=0;iy<LY;iy++) {
for(iz=0;iz<LZ;iz++) {
iix = timeslice * VOL3 + ix;
phase = -2.*M_PI*( (ix-sx1) * snk_momentum_list[imom_snk][0] / (double)LX
+ (iy-sx2) * snk_momentum_list[imom_snk][1] / (double)LY
+ (iz-sx3) * snk_momentum_list[imom_snk][2] / (double)LZ);
w.re = cos(phase);
w.im = sin(phase);
_fv_eq_fv_ti_co(spinor1, stochastic_prop + _GSI(iix), &w);
_fv_pl_eq_fv(spinor2, spinor);
}}}
// create Theta
for(ir=0;ir<g_fv_dim;ir++) {
for(is=0;is<g_fv_dim;is++) {
_co_eq_co_ti_co( &(stochastic_fp[ix][ir][2*is]), &(spinor2[2*ir]), &(stochastic_fv[_GSI(ix)+2*is]) );
}}
/******************************************************
* loop on timeslices
******************************************************/
for(timeslice=0; timeslice<T; timeslice++) {
append = (int)( timeslice != 0 );
// read timeslice of the gauge field
if( N_Jacobi>0) {
switch(g_gauge_file_format) {
case 0:
status = read_lime_gauge_field_doubleprec_timeslice(g_gauge_field, gauge_field_filename, timeslice, &ildg_gauge_field_checksum);
break;
case 1:
status = read_nersc_gauge_field_timeslice(g_gauge_field, gauge_field_filename, timeslice, &nersc_gauge_field_checksum);
break;
}
if(status != 0) {
fprintf(stderr, "[] Error, could not read gauge field\n");
exit(21);
}
for(i=0; i<N_ape; i++) {
#ifdef OPENMP
status = APE_Smearing_Step_Timeslice_threads(g_gauge_field, alpha_ape);
#else
status = APE_Smearing_Step_Timeslice(g_gauge_field, alpha_ape);
#endif
}
}
// read timeslice of the 12 up-type propagators and smear them
for(is=0;is<n_s*n_c;is++) {
sprintf(filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d.inverted", filename_prefix, Nconf, sx0, sx1, sx2, sx3, is);
status = read_lime_spinor_timeslice(g_spinor_field[is], timeslice, filename, 0, spinor_field_checksum+is);
if(status != 0) {
fprintf(stderr, "[] Error, could not read propagator from file %s\n", filename);
exit(102);
}
if(N_Jacobi > 0) {
fprintf(stdout, "# [] Jacobi smearing propagator no. %d with paramters N_Jacobi=%d, kappa_Jacobi=%f\n",
is, N_Jacobi, kappa_Jacobi);
for(c=0; c<N_Jacobi; c++) {
#ifdef OPENMP
Jacobi_Smearing_Step_one_Timeslice_threads(g_gauge_field, g_spinor_field[is], work, kappa_Jacobi);
#else
Jacobi_Smearing_Step_one_Timeslice(g_gauge_field, g_spinor_field[is], work, kappa_Jacobi);
#endif
}
}
}
if(fermion_type == _TM_FERMION) {
// read timeslice of the 12 down-type propagators, smear them
for(is=0;is<n_s*n_c;is++) {
if(do_gt == 0) {
sprintf(filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d.inverted", filename_prefix2, Nconf, sx0, sx1, sx2, sx3, is);
status = read_lime_spinor_timeslice(g_spinor_field[n_s*n_c+is], timeslice, filename, 0, spinor_field_checksum+n_s*n_c+is);
if(status != 0) {
fprintf(stderr, "[] Error, could not read propagator from file %s\n", filename);
exit(102);
}
if(N_Jacobi > 0) {
fprintf(stdout, "# [] Jacobi smearing propagator no. %d with paramters N_Jacobi=%d, kappa_Jacobi=%f\n",
is, N_Jacobi, kappa_Jacobi);
for(c=0; c<N_Jacobi; c++) {
#ifdef OPENMP
Jacobi_Smearing_Step_one_Timeslice_threads(g_gauge_field, g_spinor_field[n_s*n_c+is], work, kappa_Jacobi);
#else
Jacobi_Smearing_Step_one_Timeslice(g_gauge_field, g_spinor_field[n_s*n_c+is], work, kappa_Jacobi);
#endif
}
}
}
}
/******************************************************
* contractions
******************************************************/
for(ix=0;ix<VOL3;ix++)
//for(ix=0;ix<1;ix++)
{
// assign the propagators
_assign_fp_point_from_field(uprop, g_spinor_field, ix);
if(fermion_type==_TM_FERMION) {
_assign_fp_point_from_field(dprop, g_spinor_field+n_s*n_c, ix);
} else {
_fp_eq_fp(dprop, uprop);
}
flavor rotation for twisted mass fermions
if(fermion_type == _TM_FERMION) {
_fp_eq_rot_ti_fp(fp1, uprop, +1, fermion_type, fp2);
_fp_eq_fp_ti_rot(uprop, fp1, +1, fermion_type, fp2);
// _fp_eq_rot_ti_fp(fp1, dprop, -1, fermion_type, fp2);
// _fp_eq_fp_ti_rot(dprop, fp1, -1, fermion_type, fp2);
}
// test: print fermion propagator point
//printf_fp(uprop, stdout);
for(icomp=0; icomp<num_component; icomp++) {
_sp_eq_zero( connq[ix*num_component+icomp]);
/******************************************************
* first contribution
******************************************************/
_fp_eq_zero(fp1);
_fp_eq_zero(fp2);
_fp_eq_zero(fp3);
// C Gamma_1 x S_u = g0 g2 Gamma_1 S_u
_fp_eq_gamma_ti_fp(fp1, gamma_component[0][icomp], uprop);
_fp_eq_gamma_ti_fp(fp3, 2, fp1);
_fp_eq_gamma_ti_fp(fp1, 0, fp3);
// S_u x C Gamma_2 = S_u x g0 g2 Gamma_2
_fp_eq_fp_ti_gamma(fp2, 0, uprop);
_fp_eq_fp_ti_gamma(fp3, 2, fp2);
_fp_eq_fp_ti_gamma(fp2, gamma_component[1][icomp], fp3);
// first part
// reduce
_fp_eq_zero(fp3);
_fp_eq_fp_eps_contract13_fp(fp3, fp1, uprop);
// reduce to spin propagator
_sp_eq_zero( sp1 );
_sp_eq_fp_del_contract23_fp(sp1, fp2, fp3);
// second part
// reduce to spin propagator
_sp_eq_zero( sp2 );
_sp_eq_fp_del_contract24_fp(sp2, fp2, fp3);
// add and assign
_sp_pl_eq_sp(sp1, sp2);
_sp_eq_sp_ti_re(sp2, sp1, -gamma_component_sign[icomp]);
_sp_eq_sp( connq[ix*num_component+icomp], sp2);
/******************************************************
* second contribution
******************************************************/
_fp_eq_zero(fp1);
_fp_eq_zero(fp2);
_fp_eq_zero(fp3);
// first part
// C Gamma_1 x S_u = g0 g2 Gamma_1 S_u
_fp_eq_gamma_ti_fp(fp1, gamma_component[0][icomp], uprop);
_fp_eq_gamma_ti_fp(fp3, 2, fp1);
_fp_eq_gamma_ti_fp(fp1, 0, fp3);
// S_u x C Gamma_2 = S_u g0 g2 Gamma_2 (same S_u as above)
_fp_eq_fp_ti_gamma(fp2, 0, fp1);
_fp_eq_fp_ti_gamma(fp3, 2, fp2);
_fp_eq_fp_ti_gamma(fp1, gamma_component[1][icomp], fp3);
// reduce
_fp_eq_zero(fp3);
_fp_eq_fp_eps_contract13_fp(fp3, fp1, uprop);
// reduce to spin propagator
_sp_eq_zero( sp1 );
_sp_eq_fp_del_contract23_fp(sp1, uprop, fp3);
// second part
// C Gamma_1 x S_u = g0 g2 Gamma_1 S_u
_fp_eq_gamma_ti_fp(fp1, gamma_component[0][icomp], uprop);
_fp_eq_gamma_ti_fp(fp3, 2, fp1);
_fp_eq_gamma_ti_fp(fp1, 0, fp3);
// S_u x C Gamma_2 = S_u g0 g2 Gamma_2
_fp_eq_fp_ti_gamma(fp2, 0, uprop);
_fp_eq_fp_ti_gamma(fp3, 2, fp2);
_fp_eq_fp_ti_gamma(fp2, gamma_component[1][icomp], fp3);
// reduce
_fp_eq_zero(fp3);
_fp_eq_fp_eps_contract13_fp(fp3, fp1, fp2);
// reduce to spin propagator
_sp_eq_zero( sp2 );
_sp_eq_fp_del_contract24_fp(sp2, uprop, fp3);
// add and assign
_sp_pl_eq_sp(sp1, sp2);
_sp_eq_sp_ti_re(sp2, sp1, -gamma_component_sign[icomp]);
_sp_pl_eq_sp( connq[ix*num_component+icomp], sp2);
/******************************************************
* third contribution
******************************************************/
_fp_eq_zero(fp1);
_fp_eq_zero(fp2);
_fp_eq_zero(fp3);
// first part
// C Gamma_1 x S_u = g0 g2 Gamma_1 S_u
_fp_eq_gamma_ti_fp(fp1, gamma_component[0][icomp], uprop);
_fp_eq_gamma_ti_fp(fp3, 2, fp1);
_fp_eq_gamma_ti_fp(fp1, 0, fp3);
// S_u x C Gamma_2 = S_u g0 g2 Gamma_2
_fp_eq_fp_ti_gamma(fp2, 0, fp1);
_fp_eq_fp_ti_gamma(fp3, 2, fp2);
_fp_eq_fp_ti_gamma(fp1, gamma_component[1][icomp], fp3);
// reduce
_fp_eq_zero(fp3);
_fp_eq_fp_eps_contract13_fp(fp3, fp1, uprop);
// reduce to spin propagator
_sp_eq_zero( sp1 );
_sp_eq_fp_del_contract34_fp(sp1, uprop, fp3);
// second part
// C Gamma_1 x S_u = g0 g2 Gamma_1 S_u
_fp_eq_gamma_ti_fp(fp1, gamma_component[0][icomp], uprop);
_fp_eq_gamma_ti_fp(fp3, 2, fp1);
_fp_eq_gamma_ti_fp(fp1, 0, fp3);
// S_u x C Gamma_2 = S_u g0 g2 Gamma_2
_fp_eq_fp_ti_gamma(fp2, 0, uprop);
_fp_eq_fp_ti_gamma(fp3, 2, fp2);
_fp_eq_fp_ti_gamma(fp2, gamma_component[1][icomp], fp3);
// reduce
_fp_eq_zero(fp3);
_fp_eq_fp_eps_contract13_fp(fp3, fp1, fp2);
// reduce to spin propagator
_sp_eq_zero( sp2 );
_sp_eq_fp_del_contract34_fp(sp2, uprop, fp3);
// add and assign
_sp_pl_eq_sp(sp1, sp2);
_sp_eq_sp_ti_re(sp2, sp1, -gamma_component_sign[icomp]);
_sp_pl_eq_sp( connq[ix*num_component+icomp], sp2);
} // of icomp
} // of ix
/***********************************************
* finish calculation of connq
***********************************************/
if(g_propagator_bc_type == 0) {
// multiply with phase factor
fprintf(stdout, "# [] multiplying timeslice %d with boundary phase factor\n", timeslice);
ir = (timeslice - sx0 + T_global) % T_global;
w1.re = cos( 3. * M_PI*(double)ir / (double)T_global );
w1.im = sin( 3. * M_PI*(double)ir / (double)T_global );
for(ix=0;ix<num_component*VOL3;ix++) {
_sp_eq_sp(sp1, connq[ix] );
_sp_eq_sp_ti_co( connq[ix], sp1, w1);
}
} else if (g_propagator_bc_type == 1) {
// multiply with step function
if(timeslice < sx0) {
fprintf(stdout, "# [] multiplying timeslice %d with boundary step function\n", timeslice);
for(ix=0;ix<num_component*VOL3;ix++) {
_sp_eq_sp(sp1, connq[ix] );
_sp_eq_sp_ti_re( connq[ix], sp1, -1.);
}
}
}
if(write_ascii) {
sprintf(filename, "%s_x.%.4d.t%.2dx%.2dy%.2dz%.2d.ascii", outfile_prefix, Nconf, sx0, sx1, sx2, sx3);
write_contraction2( connq[0][0], filename, num_component*g_sv_dim*g_sv_dim, VOL3, 1, append);
}
/******************************************************************
* Fourier transform
******************************************************************/
items = 2 * num_component * g_sv_dim * g_sv_dim * VOL3;
bytes = sizeof(double);
memcpy(in, connq[0][0], items * bytes);
ir = num_component * g_sv_dim * g_sv_dim;
#ifdef OPENMP
fftwnd_threads(num_threads, plan_p, ir, in, ir, 1, (fftw_complex*)(connq[0][0]), ir, 1);
#else
fftwnd(plan_p, ir, in, ir, 1, (fftw_complex*)(connq[0][0]), ir, 1);
#endif
// add phase factor from the source location
iix = 0;
for(x1=0;x1<LX;x1++) {
q[0] = (double)x1 / (double)LX;
for(x2=0;x2<LY;x2++) {
q[1] = (double)x2 / (double)LY;
for(x3=0;x3<LZ;x3++) {
q[2] = (double)x3 / (double)LZ;
phase = 2. * M_PI * ( q[0]*sx1 + q[1]*sx2 + q[2]*sx3 );
w1.re = cos(phase);
w1.im = sin(phase);
for(icomp=0; icomp<num_component; icomp++) {
_sp_eq_sp(sp1, connq[iix] );
_sp_eq_sp_ti_co( connq[iix], sp1, w1) ;
iix++;
}
}}} // of x3, x2, x1
// write to file
sprintf(filename, "%s_q.%.4d.t%.2dx%.2dy%.2dz%.2d.Qx%.2dQy%.2dQz%.2d.%.5d", outfile_prefix, Nconf, sx0, sx1, sx2, sx3,
qlatt_rep[snk_momentum_list[imom_snk]][1],qlatt_rep[snk_momentum_list[imom_snk]][2],qlatt_rep[snk_momentum_list[imom_snk]][3],
g_sourceid2-g_sourceid+1);
sprintf(contype, "2-pt. function, (t,q_1,q_2,q_3)-dependent, source_timeslice = %d", sx0);
write_lime_contraction_timeslice(connq[0][0], filename, 64, num_component*g_sv_dim*g_sv_dim, contype, Nconf, 0, &connq_checksum, timeslice);
if(write_ascii) {
strcat(filename, ".ascii");
write_contraction2(connq[0][0],filename, num_component*g_sv_dim*g_sv_dim, VOL3, 1, append);
}
/***********************************************
* calculate connt
***********************************************/
for(icomp=0;icomp<num_component; icomp++) {
// fwd
_sp_eq_sp(sp1, connq[icomp]);
_sp_eq_gamma_ti_sp(sp2, 0, sp1);
_sp_pl_eq_sp(sp1, sp2);
_co_eq_tr_sp(&w, sp1);
connt[2*(icomp*T + timeslice) ] = w.re * 0.25;
connt[2*(icomp*T + timeslice)+1] = w.im * 0.25;
// bwd
_sp_eq_sp(sp1, connq[icomp]);
_sp_eq_gamma_ti_sp(sp2, 0, sp1);
_sp_mi_eq_sp(sp1, sp2);
_co_eq_tr_sp(&w, sp1);
connt[2*(icomp*T+timeslice + num_component*T) ] = w.re * 0.25;
connt[2*(icomp*T+timeslice + num_component*T)+1] = w.im * 0.25;
}
} // of loop on timeslice
// write connt
sprintf(filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.fw", outfile_prefix, Nconf, sx0, sx1, sx2, sx3);
ofs = fopen(filename, "w");
if(ofs == NULL) {
fprintf(stderr, "[] Error, could not open file %s for writing\n", filename);
exit(3);
}
fprintf(ofs, "#%12.8f%3d%3d%3d%3d%8.4f%6d\n", g_kappa, T_global, LX, LY, LZ, g_mu, Nconf);
for(icomp=0; icomp<num_component; icomp++) {
ir = sx0;
fprintf(ofs, "%3d%3d%3d%16.7e%16.7e%6d\n", gamma_component[0][icomp], gamma_component[1][icomp], 0, connt[2*(icomp*T+ir)], 0., Nconf);
for(it=1;it<T/2;it++) {
ir = ( it + sx0 ) % T_global;
ir2 = ( (T_global - it) + sx0 ) % T_global;
fprintf(ofs, "%3d%3d%3d%16.7e%16.7e%6d\n", gamma_component[0][icomp], gamma_component[1][icomp], it, connt[2*(icomp*T+ir)], connt[2*(icomp*T+ir2)], Nconf);
}
ir = ( it + sx0 ) % T_global;
fprintf(ofs, "%3d%3d%3d%16.7e%16.7e%6d\n", gamma_component[0][icomp], gamma_component[1][icomp], it, connt[2*(icomp*T+ir)], 0., Nconf);
}
fclose(ofs);
sprintf(filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.bw", outfile_prefix, Nconf, sx0, sx1, sx2, sx3);
ofs = fopen(filename, "w");
if(ofs == NULL) {
fprintf(stderr, "[] Error, could not open file %s for writing\n", filename);
exit(3);
}
fprintf(ofs, "#%12.8f%3d%3d%3d%3d%8.4f%6d\n", g_kappa, T_global, LX, LY, LZ, g_mu, Nconf);
for(icomp=0; icomp<num_component; icomp++) {
ir = sx0;
fprintf(ofs, "%3d%3d%3d%16.7e%16.7e%6d\n", gamma_component[0][icomp], gamma_component[1][icomp], 0, connt[2*(num_component*T+icomp*T+ir)], 0., Nconf);
for(it=1;it<T/2;it++) {
ir = ( it + sx0 ) % T_global;
ir2 = ( (T_global - it) + sx0 ) % T_global;
fprintf(ofs, "%3d%3d%3d%16.7e%16.7e%6d\n", gamma_component[0][icomp], gamma_component[1][icomp], it, connt[2*(num_component*T+icomp*T+ir)], connt[2*(num_component*T+icomp*T+ir2)], Nconf);
}
ir = ( it + sx0 ) % T_global;
fprintf(ofs, "%3d%3d%3d%16.7e%16.7e%6d\n", gamma_component[0][icomp], gamma_component[1][icomp], it, connt[2*(num_component*T+icomp*T+ir)], 0., Nconf);
}
fclose(ofs);
} // of loop on sink momentum ( = Delta^++ momentum, Qvec)
/***********************************************
* free the allocated memory, finalize
***********************************************/
free_geometry();
if(connt!= NULL) free(connt);
if(connq!= NULL) free(connq);
if(gauge_trafo != NULL) free(gauge_trafo);
if(g_spinor_field!=NULL) {
for(i=0; i<no_fields; i++) free(g_spinor_field[i]);
free(g_spinor_field); g_spinor_field=(double**)NULL;
}
if(spinor_field_checksum !=NULL) free(spinor_field_checksum);
if(g_gauge_field != NULL) free(g_gauge_field);
if(snk_momemtum_list != NULL) {
if(snk_momentum_list[0] != NULL) free(snk_momentum_list[0]);
free(snk_momentum_list);
}
if(rel_momemtum_list != NULL) {
if(rel_momentum_list[0] != NULL) free(rel_momentum_list[0]);
free(rel_momentum_list);
}
// free the fermion propagator points
free_fp( &uprop );
free_fp( &dprop );
free_fp( &fp1 );
free_fp( &fp2 );
free_fp( &fp3 );
free_sp( &sp1 );
free_sp( &sp2 );
free(in);
fftwnd_destroy_plan(plan_p);
g_the_time = time(NULL);
fprintf(stdout, "# [] %s# [] end fo run\n", ctime(&g_the_time));
fflush(stdout);
fprintf(stderr, "# [] %s# [] end fo run\n", ctime(&g_the_time));
fflush(stderr);
#ifdef MPI
MPI_Finalize();
#endif
return(0);
}
int main(int argc, char **argv) {
int c, i, mu, nu;
int count = 0;
int filename_set = 0;
int dims[4] = {0,0,0,0};
int l_LX_at, l_LXstart_at;
int x0, x1, x2, x3, ix, iix;
int dxm[4], dxn[4], ixpm, ixpn;
int sid;
double *disc = (double*)NULL;
double *disc2 = (double*)NULL;
double *work = (double*)NULL;
double q[4], fnorm;
int verbose = 0;
int do_gt = 0;
char filename[100], contype[200];
double ratime, retime;
double plaq, _2kappamu, hpe3_coeff, onepmutilde2, mutilde2;
double spinor1[24], spinor2[24], U_[18], U1_[18], U2_[18];
double *gauge_trafo=(double*)NULL;
complex w, w1, w2, *cp1, *cp2, *cp3;
FILE *ofs;
fftw_complex *in=(fftw_complex*)NULL;
#ifdef MPI
fftwnd_mpi_plan plan_p, plan_m;
#else
fftwnd_plan plan_p, plan_m;
#endif
#ifdef MPI
MPI_Init(&argc, &argv);
#endif
while ((c = getopt(argc, argv, "h?vgf:")) != -1) {
switch (c) {
case 'v':
verbose = 1;
break;
case 'g':
do_gt = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'h':
case '?':
default:
usage();
break;
}
}
/* set the default values */
if(filename_set==0) strcpy(filename, "cvc.input");
fprintf(stdout, "# Reading input from file %s\n", filename);
read_input_parser(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stdout, "T and L's must be set\n");
usage();
}
if(g_kappa == 0.) {
if(g_proc_id==0) fprintf(stdout, "kappa should be > 0.n");
usage();
}
/* initialize MPI parameters */
mpi_init(argc, argv);
/* initialize fftw */
dims[0]=T_global; dims[1]=LX; dims[2]=LY; dims[3]=LZ;
#ifdef MPI
plan_p = fftwnd_mpi_create_plan(g_cart_grid, 4, dims, FFTW_BACKWARD, FFTW_MEASURE);
plan_m = fftwnd_mpi_create_plan(g_cart_grid, 4, dims, FFTW_FORWARD, FFTW_MEASURE);
fftwnd_mpi_local_sizes(plan_p, &T, &Tstart, &l_LX_at, &l_LXstart_at, &FFTW_LOC_VOLUME);
#else
plan_p = fftwnd_create_plan(4, dims, FFTW_BACKWARD, FFTW_MEASURE | FFTW_IN_PLACE);
plan_m = fftwnd_create_plan(4, dims, FFTW_FORWARD, FFTW_MEASURE | FFTW_IN_PLACE);
T = T_global;
Tstart = 0;
l_LX_at = LX;
l_LXstart_at = 0;
FFTW_LOC_VOLUME = T*LX*LY*LZ;
#endif
fprintf(stdout, "# [%2d] fftw parameters:\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n"\
"# [%2d] l_LX_at = %3d\n"\
"# [%2d] l_LXstart_at = %3d\n"\
"# [%2d] FFTW_LOC_VOLUME = %3d\n",
g_cart_id, g_cart_id, T, g_cart_id, Tstart, g_cart_id, l_LX_at,
g_cart_id, l_LXstart_at, g_cart_id, FFTW_LOC_VOLUME);
#ifdef MPI
if(T==0) {
fprintf(stderr, "[%2d] local T is zero; exit\n", g_cart_id);
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(2);
}
#endif
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(1);
}
geometry();
/* read the gauge field */
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "reading gauge field from file %s\n", filename);
read_lime_gauge_field_doubleprec(filename);
#ifdef MPI
xchange_gauge();
#endif
/* measure the plaquette */
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "measured plaquette value: %25.16e\n", plaq);
if(do_gt==1) {
/***********************************
* initialize gauge transformation
***********************************/
init_gauge_trafo(&gauge_trafo, 1.);
apply_gt_gauge(gauge_trafo);
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "measured plaquette value after gauge trafo: %25.16e\n", plaq);
}
/****************************************
* allocate memory for the spinor fields
****************************************/
no_fields = 3;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUMEPLUSRAND);
/****************************************
* allocate memory for the contractions
****************************************/
disc = (double*)calloc( 8*VOLUME, sizeof(double));
if( disc == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for disc\n");
# ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
# endif
exit(3);
}
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
disc2 = (double*)calloc( 8*VOLUME, sizeof(double));
if( disc2 == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for disc2\n");
# ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
# endif
exit(3);
}
for(ix=0; ix<8*VOLUME; ix++) disc2[ix] = 0.;
work = (double*)calloc(48*VOLUME, sizeof(double));
if( work == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for work\n");
# ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
# endif
exit(3);
}
/****************************************
* prepare Fourier transformation arrays
****************************************/
in = (fftw_complex*)malloc(FFTW_LOC_VOLUME*sizeof(fftw_complex));
if(in==(fftw_complex*)NULL) {
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(4);
}
/************************************************
* HPE: calculate coeff. of 3rd order term
************************************************/
_2kappamu = 2. * g_kappa * g_mu;
onepmutilde2 = 1. + _2kappamu * _2kappamu;
mutilde2 = _2kappamu * _2kappamu;
hpe3_coeff = 16. * g_kappa*g_kappa*g_kappa*g_kappa * (1. + 6. * mutilde2 + mutilde2*mutilde2) / onepmutilde2 / onepmutilde2 / onepmutilde2 / onepmutilde2;
/*
hpe3_coeff = 8. * g_kappa*g_kappa*g_kappa * \
(1. + 6.*_2kappamu*_2kappamu + _2kappamu*_2kappamu*_2kappamu*_2kappamu) / (1. + _2kappamu*_2kappamu) / (1. + _2kappamu*_2kappamu) / (1. + _2kappamu*_2kappamu) / (1. + _2kappamu*_2kappamu);
*/
fprintf(stdout, "hpe3_coeff = %25.16e\n", hpe3_coeff);
/************************************************
* HPE: calculate the plaquette terms
************************************************/
for(ix=0; ix<VOLUME; ix++) {
for(mu=0; mu<4; mu++) {
for(i=1; i<4; i++) {
nu = (mu+i)%4;
_cm_eq_cm_ti_cm(U1_, g_gauge_field+_GGI(ix,mu), g_gauge_field+_GGI(g_iup[ix][mu],nu) );
_cm_eq_cm_ti_cm(U2_, g_gauge_field+_GGI(ix,nu), g_gauge_field+_GGI(g_iup[ix][nu],mu) );
_cm_eq_cm_ti_cm_dag(U_, U1_, U2_);
_co_eq_tr_cm(&w1, U_);
iix = g_idn[ix][nu];
_cm_eq_cm_ti_cm(U1_, g_gauge_field+_GGI(iix,mu), g_gauge_field+_GGI(g_iup[iix][mu],nu) );
_cm_eq_cm_ti_cm(U2_, g_gauge_field+_GGI(iix,nu), g_gauge_field+_GGI(g_iup[iix][nu],mu) );
_cm_eq_cm_ti_cm_dag(U_, U1_, U2_);
_co_eq_tr_cm(&w2, U_);
disc2[_GWI(mu,ix,VOLUME)+1] += hpe3_coeff * (w1.im - w2.im);
/*
_cm_eq_cm_ti_cm(U1_, g_gauge_field+_GGI(g_idn[ix][nu],nu), g_gauge_field+_GGI(ix,mu) );
_cm_eq_cm_ti_cm(U2_, g_gauge_field+_GGI(g_idn[ix][nu],mu), g_gauge_field+_GGI(g_iup[g_idn[ix][nu]][mu], nu) );
_cm_eq_cm_ti_cm_dag(U_, U1_, U2_);
_co_eq_tr_cm(&w2, U_);
disc2[_GWI(mu,ix,VOLUME)+1] += hpe3_coeff * (w1.im + w2.im);
*/
/* fprintf(stdout, "mu=%1d, ix=%5d, nu=%1d, w1=%25.16e +i %25.16e; w2=%25.16e +i %25.16e\n",
mu, ix, nu, w1.re, w1.im, w2.re, w2.im); */
} /* of nu */
/****************************************
* - in case lattice size equals 4
* calculate additional loop term
* - _NOTE_ the possible minus sign from
* the fermionic boundary conditions
****************************************/
if(dims[mu]==4) {
wilson_loop(&w, ix, mu, dims[mu]);
fnorm = -64. * g_kappa*g_kappa*g_kappa*g_kappa / onepmutilde2 / onepmutilde2 / onepmutilde2 / onepmutilde2;
disc2[_GWI(mu,ix,VOLUME)+1] += fnorm * w.im;
/* fprintf(stdout, "loop contribution: ix=%5d, mu=%2d, fnorm=%25.16e, w=%25.16e\n", ix, mu, fnorm, w.im); */
}
/*
fprintf(stdout, "-------------------------------------------\n");
fprintf(stdout, "disc2[ix=%d,mu=%d] = %25.16e +i %25.16e\n", ix, mu, disc2[_GWI(mu,ix,VOLUME)], disc2[_GWI(mu,ix,VOLUME)+1]);
fprintf(stdout, "-------------------------------------------\n");
*/
}
}
/*
sprintf(filename, "avc_disc_hpe5_3rd.%.4d", Nconf);
ofs = fopen(filename, "w");
for(ix=0; ix<VOLUME; ix++) {
for(mu=0; mu<4; mu++) {
fprintf(ofs, "%6d%3d%25.16e\t%25.16e\n", ix, mu, disc[_GWI(mu,ix,VOLUME)], disc[_GWI(mu,ix,VOLUME)+1]);
}
}
fclose(ofs);
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
*/
/*
for(x0=0; x0<T; x0++) {
for(x1=0; x1<LX; x1++) {
for(x2=0; x2<LY; x2++) {
for(x3=0; x3<LZ; x3++) {
ix = g_ipt[x0][x1][x2][x3];
for(mu=0; mu<4; mu++) {
dxm[0]=0; dxm[1]=0; dxm[2]=0; dxm[3]=0; dxm[mu]=1;
for(i=1; i<4; i++) {
nu = (mu+i)%4;
dxn[0]=0; dxn[1]=0; dxn[2]=0; dxn[3]=0; dxn[nu]=1;
ixpm = g_ipt[(x0+dxm[0]+T)%T][(x1+dxm[1]+LX)%LX][(x2+dxm[2]+LY)%LY][(x3+dxm[3]+LZ)%LZ];
ixpn = g_ipt[(x0+dxn[0]+T)%T][(x1+dxn[1]+LX)%LX][(x2+dxn[2]+LY)%LY][(x3+dxn[3]+LZ)%LZ];
_cm_eq_cm_ti_cm(U1_, g_gauge_field + 72*ix+18*mu, g_gauge_field + 72*ixpm+18*nu );
_cm_eq_cm_ti_cm(U2_, g_gauge_field + 72*ix+18*nu, g_gauge_field + 72*ixpn+18*mu );
_cm_eq_cm_ti_cm_dag(U_, U1_, U2_);
_co_eq_tr_cm(&w1, U_);
ixpm = g_ipt[(x0+dxm[0]-dxn[0]+T)%T][(x1+dxm[1]-dxn[1]+LX)%LX][(x2+dxm[2]-dxn[2]+LY)%LY][(x3+dxm[3]-dxn[3]+LZ)%LZ];
ixpn = g_ipt[(x0-dxn[0]+T)%T][(x1-dxn[1]+LX)%LX][(x2-dxn[2]+LY)%LY][(x3-dxn[3]+LZ)%LZ];
_cm_eq_cm_ti_cm(U1_, g_gauge_field + 72*ixpn+18*nu, g_gauge_field + 72*ix+18*mu);
_cm_eq_cm_ti_cm(U2_, g_gauge_field + 72*ixpn+18*mu, g_gauge_field + 72*ixpm+18*nu);
_cm_eq_cm_ti_cm_dag(U_, U1_, U2_);
_co_eq_tr_cm(&w2, U_);
disc2[_GWI(mu,ix,VOLUME)+1] += hpe3_coeff * (w1.im + w2.im);
fprintf(stdout, "mu=%1d, ix=%5d, nu=%1d, w1=%25.16e; w2=%25.16e\n", mu, ix, nu, w1.im, w2.im);
}
fprintf(stdout, "-------------------------------------------\n");
fprintf(stdout, "disc2[ix=%d,mu=%d] = %25.16e +i %25.16e\n", ix, mu, disc2[_GWI(mu,ix,VOLUME)], disc2[_GWI(mu,ix,VOLUME)+1]);
fprintf(stdout, "-------------------------------------------\n");
}
}
}
}
}
*/
/***********************************************
* start loop on source id.s
***********************************************/
for(sid=g_sourceid; sid<=g_sourceid2; sid+=g_sourceid_step) {
/* read the new propagator */
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(format==0) {
sprintf(filename, "%s.%.4d.%.2d.inverted", filename_prefix, Nconf, sid);
if(read_lime_spinor(g_spinor_field[2], filename, 0) != 0) break;
}
else if(format==1) {
sprintf(filename, "%s.%.4d.%.5d.inverted", filename_prefix, Nconf, sid);
if(read_cmi(g_spinor_field[2], filename) != 0) break;
}
xchange_field(g_spinor_field[2]);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
fprintf(stdout, "time to read prop.: %e seconds\n", retime-ratime);
if(do_gt==1) {
/******************************************
* gauge transform the propagators for sid
******************************************/
for(ix=0; ix<VOLUME; ix++) {
_fv_eq_cm_ti_fv(spinor1, gauge_trafo+18*ix, g_spinor_field[2]+_GSI(ix));
_fv_eq_fv(g_spinor_field[2]+_GSI(ix), spinor1);
}
xchange_field(g_spinor_field[2]);
}
count++;
/************************************************
* calculate the source: apply Q_phi_tbc
************************************************/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
Q_phi_tbc(g_spinor_field[0], g_spinor_field[2]);
xchange_field(g_spinor_field[0]);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "time to calculate source: %e seconds\n", retime-ratime);
/************************************************
* HPE: apply BH5
************************************************/
BH5(g_spinor_field[1], g_spinor_field[2]);
/* add new contractions to (existing) disc */
# ifdef MPI
ratime = MPI_Wtime();
# else
ratime = (double)clock() / CLOCKS_PER_SEC;
# endif
for(mu=0; mu<4; mu++) { /* loop on Lorentz index of the current */
iix = _GWI(mu,0,VOLUME);
for(ix=0; ix<VOLUME; ix++) { /* loop on lattice sites */
_cm_eq_cm_ti_co(U_, &g_gauge_field[_GGI(ix, mu)], &co_phase_up[mu]);
/* first contribution */
_fv_eq_cm_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(g_iup[ix][mu])]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_mi_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(ix)], spinor2);
disc[iix ] -= 0.5 * w.re;
disc[iix+1] -= 0.5 * w.im;
/* second contribution */
_fv_eq_cm_dag_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(ix)]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_pl_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(g_iup[ix][mu])], spinor2);
disc[iix ] -= 0.5 * w.re;
disc[iix+1] -= 0.5 * w.im;
iix += 2;
} /* of ix */
} /* of mu */
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# time to contract cvc: %e seconds\n", retime-ratime);
/************************************************
* save results for count = multiple of Nsave
************************************************/
if(count%Nsave == 0) {
if(g_cart_id == 0) fprintf(stdout, "save results for count = %d\n", count);
fnorm = 1. / ( (double)count * g_prop_normsqr );
if(g_cart_id==0) fprintf(stdout, "# X-fnorm = %e\n", fnorm);
for(mu=0; mu<4; mu++) {
for(ix=0; ix<VOLUME; ix++) {
work[_GWI(mu,ix,VOLUME) ] = disc[_GWI(mu,ix,VOLUME) ] * fnorm + disc2[_GWI(mu,ix,VOLUME) ];
work[_GWI(mu,ix,VOLUME)+1] = disc[_GWI(mu,ix,VOLUME)+1] * fnorm + disc2[_GWI(mu,ix,VOLUME)+1];
}
}
/* save the result in position space */
sprintf(filename, "cvc_hpe5_X.%.4d.%.4d", Nconf, count);
sprintf(contype, "cvc-disc-all-hpe-05-X");
write_lime_contraction(work, filename, 64, 4, contype, Nconf, count);
/*
sprintf(filename, "cvc_hpe5_Xascii.%.4d.%.4d", Nconf, count);
write_contraction(work, NULL, filename, 4, 2, 0);
*/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
/* Fourier transform data, copy to work */
for(mu=0; mu<4; mu++) {
memcpy((void*)in, (void*)(work+_GWI(mu,0,VOLUME)), 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_m, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_m, in, NULL);
#endif
memcpy((void*)(work+_GWI(4+mu,0,VOLUME)), (void*)in, 2*VOLUME*sizeof(double));
memcpy((void*)in, (void*)(work+_GWI(mu,0,VOLUME)), 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_p, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_p, in, NULL);
#endif
memcpy((void*)(work+_GWI(mu,0,VOLUME)), (void*)in, 2*VOLUME*sizeof(double));
} /* of mu =0 ,..., 3*/
fnorm = 1. / (double)(T_global*LX*LY*LZ);
if(g_cart_id==0) fprintf(stdout, "# P-fnorm = %e\n", fnorm);
for(mu=0; mu<4; mu++) {
for(nu=0; nu<4; nu++) {
cp1 = (complex*)(work+_GWI(mu,0,VOLUME));
cp2 = (complex*)(work+_GWI(4+nu,0,VOLUME));
cp3 = (complex*)(work+_GWI(8+4*mu+nu,0,VOLUME));
for(x0=0; x0<T; x0++) {
q[0] = (double)(x0+Tstart) / (double)T_global;
for(x1=0; x1<LX; x1++) {
q[1] = (double)(x1) / (double)LX;
for(x2=0; x2<LY; x2++) {
q[2] = (double)(x2) / (double)LY;
for(x3=0; x3<LZ; x3++) {
q[3] = (double)(x3) / (double)LZ;
ix = g_ipt[x0][x1][x2][x3];
w.re = cos( M_PI * (q[mu]-q[nu]) );
w.im = sin( M_PI * (q[mu]-q[nu]) );
_co_eq_co_ti_co(&w1, cp1, cp2);
_co_eq_co_ti_co(cp3, &w1, &w);
_co_ti_eq_re(cp3, fnorm);
cp1++; cp2++; cp3++;
}
}
}
}
}
}
/* save the result in momentum space */
sprintf(filename, "cvc_hpe5_P.%.4d.%.4d", Nconf, count);
sprintf(contype, "cvc-disc-all-hpe-05-P");
write_lime_contraction(work+_GWI(8,0,VOLUME), filename, 64, 16, contype, Nconf, count);
/*
sprintf(filename, "cvc_hpe5_Pascii.%.4d.%.4d", Nconf, count);
write_contraction(work+_GWI(8,0,VOLUME), NULL, filename, 16, 2, 0);
*/
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# time to save cvc results: %e seconds\n", retime-ratime);
} /* of count % Nsave == 0 */
} /* of loop on sid */
/***********************************************
* free the allocated memory, finalize
***********************************************/
free(g_gauge_field);
for(i=0; i<no_fields; i++) free(g_spinor_field[i]);
free(g_spinor_field);
free_geometry();
fftw_free(in);
free(disc);
free(work);
#ifdef MPI
fftwnd_mpi_destroy_plan(plan_p);
fftwnd_mpi_destroy_plan(plan_m);
MPI_Finalize();
#else
fftwnd_destroy_plan(plan_p);
fftwnd_destroy_plan(plan_m);
#endif
return(0);
}
int main(int argc, char **argv) {
int c, i, mu, nu;
int count = 0;
int filename_set = 0;
int dims[4] = {0,0,0,0};
int l_LX_at, l_LXstart_at;
int x0, x1, x2, x3, ix, iix;
int sid, status, gid;
double *disc = (double*)NULL;
double *work = (double*)NULL;
double q[4], fnorm;
int verbose = 0;
int do_gt = 0;
char filename[100], contype[200];
double ratime, retime;
double plaq;
double spinor1[24], spinor2[24], U_[18];
double *gauge_trafo=(double*)NULL;
complex w, w1, *cp1, *cp2, *cp3;
FILE *ofs;
#ifdef MPI
// MPI_Init(&argc, &argv);
fprintf(stderr, "[jc_ud_x] Error, only non-mpi version implemented\n");
exit(1);
#endif
while ((c = getopt(argc, argv, "h?f:")) != -1) {
switch (c) {
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'h':
case '?':
default:
usage();
break;
}
}
/* set the default values */
if(filename_set==0) strcpy(filename, "cvc.input");
fprintf(stdout, "# Reading input from file %s\n", filename);
read_input_parser(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stdout, "T and L's must be set\n");
usage();
}
if(g_kappa == 0.) {
if(g_proc_id==0) fprintf(stdout, "kappa should be > 0.n");
usage();
}
fprintf(stdout, "\n**************************************************\n");
fprintf(stdout, "* jc_ud_x\n");
fprintf(stdout, "**************************************************\n\n");
/*********************************
* initialize MPI parameters
*********************************/
// mpi_init(argc, argv);
/* initialize fftw */
dims[0]=T_global; dims[1]=LX; dims[2]=LY; dims[3]=LZ;
T = T_global;
Tstart = 0;
l_LX_at = LX;
l_LXstart_at = 0;
FFTW_LOC_VOLUME = T*LX*LY*LZ;
fprintf(stdout, "# [%2d] parameters:\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n"\
"# [%2d] l_LX_at = %3d\n"\
"# [%2d] l_LXstart_at = %3d\n"\
"# [%2d] FFTW_LOC_VOLUME = %3d\n",
g_cart_id, g_cart_id, T, g_cart_id, Tstart, g_cart_id, l_LX_at,
g_cart_id, l_LXstart_at, g_cart_id, FFTW_LOC_VOLUME);
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
exit(1);
}
geometry();
/*************************************************
* allocate mem for gauge field and spinor fields
*************************************************/
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
no_fields = 2;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUMEPLUSRAND);
/****************************************
* allocate memory for the contractions
****************************************/
disc = (double*)calloc( 8*VOLUME, sizeof(double));
if( disc == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for disc\n");
exit(3);
}
/***********************************************
* start loop on gauge id.s
***********************************************/
for(gid=g_gaugeid; gid<=g_gaugeid2; gid++) {
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
sprintf(filename, "%s.%.4d", gaugefilename_prefix, gid);
if(g_cart_id==0) fprintf(stdout, "# reading gauge field from file %s\n", filename);
read_lime_gauge_field_doubleprec(filename);
xchange_gauge();
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "# measured plaquette value: %25.16e\n", plaq);
/***********************************************
* start loop on source id.s
***********************************************/
for(sid=g_sourceid; sid<=g_sourceid2; sid+=g_sourceid_step) {
/* reset disc to zero */
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
/* read the new propagator to g_spinor_field[0] */
ratime = (double)clock() / CLOCKS_PER_SEC;
if(format==0) {
sprintf(filename, "%s.%.4d.%.2d.inverted", filename_prefix, gid, sid);
if(read_lime_spinor(g_spinor_field[0], filename, 0) != 0) break;
}
else if(format==1) {
sprintf(filename, "%s.%.4d.%.5d.inverted", filename_prefix, gid, sid);
if(read_cmi(g_spinor_field[0], filename) != 0) break;
}
xchange_field(g_spinor_field[0]);
retime = (double)clock() / CLOCKS_PER_SEC;
if(g_cart_id==0) fprintf(stdout, "# time to read prop.: %e seconds\n", retime-ratime);
ratime = (double)clock() / CLOCKS_PER_SEC;
/* apply D_W once, save in g_spinor_field[1] */
Hopping(g_spinor_field[1], g_spinor_field[0]);
for(ix=0; ix<VOLUME; ix++) {
_fv_pl_eq_fv(g_spinor_field[1]+_GSI(ix), g_spinor_field[0]+_GSI(ix));
_fv_ti_eq_re(g_spinor_field[1]+_GSI(ix), 1./(2.*g_kappa));
}
xchange_field(g_spinor_field[1]);
retime = (double)clock() / CLOCKS_PER_SEC;
if(g_cart_id==0) fprintf(stdout, "# time to apply D_W: %e seconds\n", retime-ratime);
ratime = (double)clock() / CLOCKS_PER_SEC;
/* calculate real and imaginary part */
for(mu=0; mu<4; mu++) {
for(ix=0; ix<VOLUME; ix++) {
_cm_eq_cm_ti_co(U_, g_gauge_field+_GGI(ix,mu), &(co_phase_up[mu]));
_fv_eq_gamma_ti_fv(spinor1, 5, g_spinor_field[0]+_GSI(g_iup[ix][mu]));
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_pl_eq_fv(spinor2, spinor1);
_fv_eq_cm_ti_fv(spinor1, U_, spinor2);
_co_eq_fv_dag_ti_fv(&w, g_spinor_field[0]+_GSI(ix), spinor1);
disc[_GWI(mu,ix,VOLUME) ] = g_mu * w.im;
_fv_eq_gamma_ti_fv(spinor1, mu, g_spinor_field[1]+_GSI(g_iup[ix][mu]));
_fv_pl_eq_fv(spinor1, g_spinor_field[1]+_GSI(g_iup[ix][mu]));
_fv_eq_cm_ti_fv(spinor2, U_, spinor1);
_co_eq_fv_dag_ti_fv(&w, g_spinor_field[0]+_GSI(ix), spinor2);
disc[_GWI(mu,ix,VOLUME)+1] = w.im / 3.;
}
}
retime = (double)clock() / CLOCKS_PER_SEC;
if(g_cart_id==0) fprintf(stdout, "# time to calculate contractions: %e seconds\n", retime-ratime);
/************************************************
* save results
************************************************/
if(g_cart_id == 0) fprintf(stdout, "# save results for gauge id %d and sid %d\n", gid, sid);
/* save the result in position space */
fnorm = 1. / g_prop_normsqr;
if(g_cart_id==0) fprintf(stdout, "X-fnorm = %e\n", fnorm);
for(mu=0; mu<4; mu++) {
for(ix=0; ix<VOLUME; ix++) {
disc[_GWI(mu,ix,VOLUME) ] *= fnorm;
disc[_GWI(mu,ix,VOLUME)+1] *= fnorm;
}
}
sprintf(filename, "jc_ud_x.%.4d.%.4d", gid, sid);
sprintf(contype, "jc-u_and_d-X");
write_lime_contraction(disc, filename, 64, 4, contype, gid, sid);
//sprintf(filename, "jc_ud_x.%.4d.%.4d.ascii", gid, sid);
//write_contraction (disc, NULL, filename, 4, 2, 0);
} /* of loop on sid */
} /* of loop on gid */
/***********************************************
* free the allocated memory, finalize
***********************************************/
free(g_gauge_field);
for(i=0; i<no_fields; i++) free(g_spinor_field[i]);
free(g_spinor_field);
free_geometry();
free(disc);
return(0);
}
int main(int argc, char **argv) {
int c, i, mu, nu;
int count = 0;
int filename_set = 0;
int dims[4] = {0,0,0,0};
int l_LX_at, l_LXstart_at;
int x0, x1, x2, x3, ix, iix;
int dxm[4], dxn[4], ixpm, ixpn;
int sid;
double *disc = (double*)NULL;
double *work = (double*)NULL;
double q[4], fnorm;
int verbose = 0;
int do_gt = 0;
char filename[100];
double ratime, retime;
double plaq, _2kappamu, hpe3_coeff, onepmutilde2, mutilde2;
double spinor1[24], spinor2[24], U_[18], U1_[18], U2_[18];
double *gauge_trafo=(double*)NULL;
complex w, w1, w2, *cp1, *cp2, *cp3;
FILE *ofs;
fftw_complex *in=(fftw_complex*)NULL;
#ifdef MPI
fftwnd_mpi_plan plan_p, plan_m;
int *status;
#else
fftwnd_plan plan_p, plan_m;
#endif
#ifdef MPI
MPI_Init(&argc, &argv);
#endif
while ((c = getopt(argc, argv, "h?vgf:")) != -1) {
switch (c) {
case 'v':
verbose = 1;
break;
case 'g':
do_gt = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'h':
case '?':
default:
usage();
break;
}
}
/* set the default values */
set_default_input_values();
if(filename_set==0) strcpy(filename, "cvc.input");
/* read the input file */
read_input(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stdout, "T and L's must be set\n");
usage();
}
if(g_kappa == 0.) {
if(g_proc_id==0) fprintf(stdout, "kappa should be > 0.n");
usage();
}
/* initialize MPI parameters */
mpi_init(argc, argv);
#ifdef MPI
if((status = (int*)calloc(g_nproc, sizeof(int))) == (int*)NULL) {
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(7);
}
#endif
/* initialize fftw */
dims[0]=T_global; dims[1]=LX; dims[2]=LY; dims[3]=LZ;
#ifdef MPI
plan_p = fftwnd_mpi_create_plan(g_cart_grid, 4, dims, FFTW_BACKWARD, FFTW_MEASURE);
plan_m = fftwnd_mpi_create_plan(g_cart_grid, 4, dims, FFTW_FORWARD, FFTW_MEASURE);
fftwnd_mpi_local_sizes(plan_p, &T, &Tstart, &l_LX_at, &l_LXstart_at, &FFTW_LOC_VOLUME);
#else
plan_p = fftwnd_create_plan(4, dims, FFTW_BACKWARD, FFTW_MEASURE | FFTW_IN_PLACE);
plan_m = fftwnd_create_plan(4, dims, FFTW_FORWARD, FFTW_MEASURE | FFTW_IN_PLACE);
T = T_global;
Tstart = 0;
l_LX_at = LX;
l_LXstart_at = 0;
FFTW_LOC_VOLUME = T*LX*LY*LZ;
#endif
fprintf(stdout, "# [%2d] fftw parameters:\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n"\
"# [%2d] l_LX_at = %3d\n"\
"# [%2d] l_LXstart_at = %3d\n"\
"# [%2d] FFTW_LOC_VOLUME = %3d\n",
g_cart_id, g_cart_id, T, g_cart_id, Tstart, g_cart_id, l_LX_at,
g_cart_id, l_LXstart_at, g_cart_id, FFTW_LOC_VOLUME);
#ifdef MPI
if(T==0) {
fprintf(stderr, "[%2d] local T is zero; exit\n", g_cart_id);
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(2);
}
#endif
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(1);
}
geometry();
/* read the gauge field */
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "reading gauge field from file %s\n", filename);
read_lime_gauge_field_doubleprec(filename);
xchange_gauge();
/* measure the plaquette */
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "measured plaquette value: %25.16e\n", plaq);
if(do_gt==1) {
/***********************************
* initialize gauge transformation
***********************************/
init_gauge_trafo(&gauge_trafo, 1.);
apply_gt_gauge(gauge_trafo);
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "measured plaquette value after gauge trafo: %25.16e\n", plaq);
}
/****************************************
* allocate memory for the spinor fields
****************************************/
no_fields = 3;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUMEPLUSRAND);
/****************************************
* allocate memory for the contractions
****************************************/
disc = (double*)calloc( 8*VOLUME, sizeof(double));
if( disc == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for disc\n");
# ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
# endif
exit(3);
}
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
work = (double*)calloc(48*VOLUME, sizeof(double));
if( work == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for work\n");
# ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
# endif
exit(3);
}
/****************************************
* prepare Fourier transformation arrays
****************************************/
in = (fftw_complex*)malloc(FFTW_LOC_VOLUME*sizeof(fftw_complex));
if(in==(fftw_complex*)NULL) {
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(4);
}
/***********************************************
* start loop on source id.s
***********************************************/
for(sid=g_sourceid; sid<=g_sourceid2; sid++) {
/********************************
* read the first propagator
********************************/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(format==0) {
sprintf(filename, "%s.%.4d.%.2d.inverted", filename_prefix, Nconf, sid);
if(read_lime_spinor(g_spinor_field[2], filename, 0) != 0) break;
}
else if(format==1) {
sprintf(filename, "%s.%.4d.%.5d.inverted", filename_prefix, Nconf, sid);
if(read_cmi(g_spinor_field[2], filename) != 0) break;
}
xchange_field(g_spinor_field[2]);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
fprintf(stdout, "time to read prop.: %e seconds\n", retime-ratime);
if(do_gt==1) {
/******************************************
* gauge transform the propagators for sid
******************************************/
for(ix=0; ix<VOLUME; ix++) {
_fv_eq_cm_ti_fv(spinor1, gauge_trafo+18*ix, g_spinor_field[2]+_GSI(ix));
_fv_eq_fv(g_spinor_field[2]+_GSI(ix), spinor1);
}
xchange_field(g_spinor_field[2]);
}
/************************************************
* calculate the source: apply Q_phi_tbc
************************************************/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
Q_phi_tbc(g_spinor_field[0], g_spinor_field[2]);
xchange_field(g_spinor_field[0]);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "time to calculate source: %e seconds\n", retime-ratime);
/************************************************
* HPE: apply BH5
************************************************/
BH5(g_spinor_field[1], g_spinor_field[2]);
for(ix=0; ix<8*VOLUME; ix++) {disc[ix] = 0.;}
/* add new contractions to (existing) disc */
# ifdef MPI
ratime = MPI_Wtime();
# else
ratime = (double)clock() / CLOCKS_PER_SEC;
# endif
for(mu=0; mu<4; mu++) { /* loop on Lorentz index of the current */
iix = _GWI(mu,0,VOLUME);
for(ix=0; ix<VOLUME; ix++) { /* loop on lattice sites */
_cm_eq_cm_ti_co(U_, &g_gauge_field[_GGI(ix, mu)], &co_phase_up[mu]);
/* first contribution */
_fv_eq_cm_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(g_iup[ix][mu])]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_mi_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(ix)], spinor2);
disc[iix ] -= 0.5 * w.re;
disc[iix+1] -= 0.5 * w.im;
/* second contribution */
_fv_eq_cm_dag_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(ix)]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_pl_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(g_iup[ix][mu])], spinor2);
disc[iix ] -= 0.5 * w.re;
disc[iix+1] -= 0.5 * w.im;
iix += 2;
} /* of ix */
} /* of mu */
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "[%2d] time to contract cvc: %e seconds\n", g_cart_id, retime-ratime);
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
/* Fourier transform data, copy to work */
for(mu=0; mu<4; mu++) {
memcpy((void*)in, (void*)(disc+_GWI(mu,0,VOLUME)), 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_p, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_p, in, NULL);
#endif
memcpy((void*)(work+_GWI(mu,0,VOLUME)), (void*)in, 2*VOLUME*sizeof(double));
}
/********************************
* read the second propagator
********************************/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(format==0) {
sprintf(filename, "%s.%.4d.%.2d.inverted", filename_prefix, Nconf, sid+g_resume);
if(read_lime_spinor(g_spinor_field[2], filename, 0) != 0) break;
}
else if(format==1) {
sprintf(filename, "%s.%.4d.%.5d.inverted", filename_prefix, Nconf, sid+g_resume);
if(read_cmi(g_spinor_field[2], filename) != 0) break;
}
xchange_field(g_spinor_field[2]);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
fprintf(stdout, "time to read prop.: %e seconds\n", retime-ratime);
if(do_gt==1) {
/******************************************
* gauge transform the propagators for sid
******************************************/
for(ix=0; ix<VOLUME; ix++) {
_fv_eq_cm_ti_fv(spinor1, gauge_trafo+18*ix, g_spinor_field[2]+_GSI(ix));
_fv_eq_fv(g_spinor_field[2]+_GSI(ix), spinor1);
}
xchange_field(g_spinor_field[2]);
}
/************************************************
* calculate the source: apply Q_phi_tbc
************************************************/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
Q_phi_tbc(g_spinor_field[0], g_spinor_field[2]);
xchange_field(g_spinor_field[0]);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "time to calculate source: %e seconds\n", retime-ratime);
/************************************************
* HPE: apply BH5
************************************************/
BH5(g_spinor_field[1], g_spinor_field[2]);
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
/* add new contractions to (existing) disc */
# ifdef MPI
ratime = MPI_Wtime();
# else
ratime = (double)clock() / CLOCKS_PER_SEC;
# endif
for(mu=0; mu<4; mu++) { /* loop on Lorentz index of the current */
iix = _GWI(mu,0,VOLUME);
for(ix=0; ix<VOLUME; ix++) { /* loop on lattice sites */
_cm_eq_cm_ti_co(U_, &g_gauge_field[_GGI(ix, mu)], &co_phase_up[mu]);
/* first contribution */
_fv_eq_cm_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(g_iup[ix][mu])]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_mi_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(ix)], spinor2);
disc[iix ] -= 0.5 * w.re;
disc[iix+1] -= 0.5 * w.im;
/* second contribution */
_fv_eq_cm_dag_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(ix)]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_pl_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(g_iup[ix][mu])], spinor2);
disc[iix ] -= 0.5 * w.re;
disc[iix+1] -= 0.5 * w.im;
iix += 2;
} /* of ix */
} /* of mu */
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "[%2d] time to contract cvc: %e seconds\n", g_cart_id, retime-ratime);
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
/* Fourier transform data, copy to work */
for(mu=0; mu<4; mu++) {
memcpy((void*)in, (void*)(disc+_GWI(mu,0,VOLUME)), 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_m, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_m, in, NULL);
#endif
memcpy((void*)(work+_GWI(4+mu,0,VOLUME)), (void*)in, 2*VOLUME*sizeof(double));
}
fnorm = 1. / ((double)(T_global*LX*LY*LZ));
fprintf(stdout, "fnorm = %e\n", fnorm);
for(mu=0; mu<4; mu++) {
for(nu=0; nu<4; nu++) {
cp1 = (complex*)(work+_GWI(mu,0,VOLUME));
cp2 = (complex*)(work+_GWI(4+nu,0,VOLUME));
cp3 = (complex*)(work+_GWI(8+4*mu+nu,0,VOLUME));
for(x0=0; x0<T; x0++) {
q[0] = (double)(x0+Tstart) / (double)T_global;
for(x1=0; x1<LX; x1++) {
q[1] = (double)(x1) / (double)LX;
for(x2=0; x2<LY; x2++) {
q[2] = (double)(x2) / (double)LY;
for(x3=0; x3<LZ; x3++) {
q[3] = (double)(x3) / (double)LZ;
ix = g_ipt[x0][x1][x2][x3];
w.re = cos( M_PI * (q[mu]-q[nu]) );
w.im = sin( M_PI * (q[mu]-q[nu]) );
_co_eq_co_ti_co(&w1, cp1, cp2);
_co_eq_co_ti_co(cp3, &w1, &w);
_co_ti_eq_re(cp3, fnorm);
cp1++; cp2++; cp3++;
}
}
}
}
}
}
/* save the result in momentum space */
sprintf(filename, "cvc_hpe5_ft.%.4d.%.2d", Nconf, sid);
write_contraction(work+_GWI(8,0,VOLUME), NULL, filename, 16, 0, 0);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "time to save cvc results: %e seconds\n", retime-ratime);
} /* of loop on sid */
/***********************************************
* free the allocated memory, finalize
***********************************************/
free(g_gauge_field);
for(i=0; i<no_fields; i++) free(g_spinor_field[i]);
free(g_spinor_field);
free_geometry();
fftw_free(in);
free(disc);
free(work);
#ifdef MPI
fftwnd_mpi_destroy_plan(plan_p);
fftwnd_mpi_destroy_plan(plan_m);
free(status);
MPI_Finalize();
#else
fftwnd_destroy_plan(plan_p);
fftwnd_destroy_plan(plan_m);
#endif
return(0);
}
int main(int argc, char **argv) {
int c, i, mu;
int count = 0;
int filename_set = 0;
int l_LX_at, l_LXstart_at;
int x0, x1, ix, idx;
int VOL3;
int sid;
double *disc = (double*)NULL;
int verbose = 0;
char filename[100];
double ratime, retime;
double plaq;
double spinor1[24], spinor2[24];
double _2kappamu;
double *gauge_field_f=NULL, *gauge_field_timeslice=NULL;
double v4norm = 0., vvnorm = 0.;
complex w;
FILE *ofs1, *ofs2;
/* double sign_adj5[] = {-1., -1., -1., -1., +1., +1., +1., +1., +1., +1., -1., -1., -1., 1., -1., -1.}; */
double hopexp_coeff[8], addreal, addimag;
int gindex[] = { 5 , 1 , 2 , 3 , 6 ,10 ,11 ,12 , 4 , 7 , 8 , 9 , 0 ,15 , 14 ,13 };
int isimag[] = { 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 1 , 1 , 1 , 0 , 1 , 1 , 1 };
double gsign[] = {-1., 1., 1., 1., -1., 1., 1., 1., 1., 1., 1., 1., 1., 1., -1., 1.};
#ifdef MPI
MPI_Status status;
#endif
#ifdef MPI
MPI_Init(&argc, &argv);
#endif
while ((c = getopt(argc, argv, "h?vgf:")) != -1) {
switch (c) {
case 'v':
verbose = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'h':
case '?':
default:
usage();
break;
}
}
/* set the default values */
if(filename_set==0) strcpy(filename, "cvc.input");
fprintf(stdout, "# reading input from file %s\n", filename);
read_input_parser(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stdout, "T and L's must be set\n");
usage();
}
if(g_kappa == 0.) {
if(g_proc_id==0) fprintf(stdout, "kappa should be > 0.n");
usage();
}
/* initialize MPI parameters */
mpi_init(argc, argv);
#ifdef MPI
T = T_global / g_nproc;
Tstart = g_cart_id * T;
l_LX_at = LX;
l_LXstart_at = 0;
FFTW_LOC_VOLUME = T*LX*LY*LZ;
VOL3 = LX*LY*LZ;
#else
T = T_global;
Tstart = 0;
l_LX_at = LX;
l_LXstart_at = 0;
FFTW_LOC_VOLUME = T*LX*LY*LZ;
VOL3 = LX*LY*LZ;
#endif
fprintf(stdout, "# [%2d] parameters:\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n"\
"# [%2d] l_LX_at = %3d\n"\
"# [%2d] l_LXstart_at = %3d\n"\
"# [%2d] FFTW_LOC_VOLUME = %3d\n",
g_cart_id, g_cart_id, T, g_cart_id, Tstart, g_cart_id, l_LX_at,
g_cart_id, l_LXstart_at, g_cart_id, FFTW_LOC_VOLUME);
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(1);
}
geometry();
/* read the gauge field */
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "reading gauge field from file %s\n", filename);
read_lime_gauge_field_doubleprec(filename);
xchange_gauge();
/* measure the plaquette */
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "# measured plaquette value: %25.16e\n", plaq);
if(Nlong > -1) {
/* N_ape = 5; */
alpha_ape = 0.4;
if(g_cart_id==0) fprintf(stdout, "# apply fuzzing of gauge field and propagators with parameters:\n"\
"# Nlong = %d\n# N_ape = %d\n# alpha_ape = %f\n", Nlong, N_ape, alpha_ape);
alloc_gauge_field(&gauge_field_f, VOLUMEPLUSRAND);
if( (gauge_field_timeslice = (double*)malloc(72*VOL3*sizeof(double))) == (double*)NULL ) {
fprintf(stderr, "Error, could not allocate mem for gauge_field_timeslice\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(2);
}
for(x0=0; x0<T; x0++) {
memcpy((void*)gauge_field_timeslice, (void*)(g_gauge_field+_GGI(g_ipt[x0][0][0][0],0)), 72*VOL3*sizeof(double));
for(i=0; i<N_ape; i++) {
APE_Smearing_Step_Timeslice(gauge_field_timeslice, alpha_ape);
}
fuzzed_links_Timeslice(gauge_field_f, gauge_field_timeslice, Nlong, x0);
}
free(gauge_field_timeslice);
}
/* test: print the fuzzed APE smeared gauge field to stdout */
/*
for(ix=0; ix<36*VOLUME; ix++) {
fprintf(stdout, "%6d%25.16e%25.16e%25.16e%25.16e\n", ix, gauge_field_f[2*ix], gauge_field_f[2*ix+1], g_gauge_field[2*ix], g_gauge_field[2*ix+1]);
}
*/
/* allocate memory for the spinor fields */
no_fields = 4;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUMEPLUSRAND);
/* allocate memory for the contractions */
disc = (double*)calloc(4*16*T*2, sizeof(double));
if( disc==(double*)NULL ) {
fprintf(stderr, "could not allocate memory for disc\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(3);
}
for(ix=0; ix<4*32*T; ix++) disc[ix] = 0.;
if(g_cart_id==0) {
sprintf(filename, "cvc_2pt_disc_vv.%.4d", Nconf);
ofs1 = fopen(filename, "w");
sprintf(filename, "cvc_2pt_disc_v4.%.4d", Nconf);
ofs2 = fopen(filename, "w");
if(ofs1==(FILE*)NULL || ofs2==(FILE*)NULL) {
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(5);
}
}
/* add the HPE coefficients */
if(format==1) {
addimag = 2*g_kappa*g_mu/sqrt(1 + 4*g_kappa*g_kappa*g_mu*g_mu)* LX*LY*LZ*3*4*2.*g_kappa*g_kappa*4;
addreal = 1./sqrt(1 + 4*g_kappa*g_kappa*g_mu*g_mu)*LX*LY*LZ*3*4*2.*g_kappa*g_kappa*4;
v4norm = 1. / ( 8. * g_kappa * g_kappa );
vvnorm = g_mu / ( 4. * g_kappa );
} else {
addimag = 2*g_kappa*g_mu/sqrt(1 + 4*g_kappa*g_kappa*g_mu*g_mu)* LX*LY*LZ*3*4*2.*g_kappa*2;
addreal = 1./sqrt(1 + 4*g_kappa*g_kappa*g_mu*g_mu)*LX*LY*LZ*3*4*2.*g_kappa*2;
v4norm = 1. / ( 4. * g_kappa );
vvnorm = g_mu / ( 4. * g_kappa );
}
/* calculate additional contributions for 1 and gamma_5 */
_2kappamu = 2.*g_kappa*g_mu;
hopexp_coeff[0] = 24. * g_kappa * LX*LY*LZ / (1. + _2kappamu*_2kappamu);
hopexp_coeff[1] = 0.;
hopexp_coeff[2] = -768. * g_kappa*g_kappa*g_kappa * LX*LY*LZ * _2kappamu*_2kappamu /
( (1.+_2kappamu*_2kappamu)*(1.+_2kappamu*_2kappamu)*(1.+_2kappamu*_2kappamu) );
hopexp_coeff[3] = 0.;
hopexp_coeff[4] = 0.;
hopexp_coeff[5] = -24.*g_kappa * LX*LY*LZ * _2kappamu / (1. + _2kappamu*_2kappamu);
hopexp_coeff[6] = 0.;
hopexp_coeff[7] = -384. * g_kappa*g_kappa*g_kappa * LX*LY*LZ *
(1.-_2kappamu*_2kappamu)*_2kappamu /
( (1.+_2kappamu*_2kappamu)*(1.+_2kappamu*_2kappamu)*(1.+_2kappamu*_2kappamu) );
/* start loop on source id.s */
for(sid=g_sourceid; sid<=g_sourceid2; sid+=g_sourceid_step) {
for(ix=0; ix<4*32*T; ix++) disc[ix] = 0.;
/* read the new propagator */
sprintf(filename, "%s.%.4d.%.5d.inverted", filename_prefix, Nconf, sid);
/* sprintf(filename, "%s.%.4d.%.2d.inverted", filename_prefix, Nconf, sid); */
if(read_lime_spinor(g_spinor_field[1], filename, 0) != 0) {
fprintf(stderr, "[%2d] Error, could not read from file %s\n", g_cart_id, filename);
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(4);
}
count++;
xchange_field(g_spinor_field[1]);
/* calculate the source: apply Q_phi_tbc */
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
Q_phi_tbc(g_spinor_field[0], g_spinor_field[1]);
xchange_field(g_spinor_field[0]);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# time to apply Q_tm %e seconds\n", retime-ratime);
/* apply gamma5_BdagH4_gamma5 */
gamma5_BdagH4_gamma5(g_spinor_field[2], g_spinor_field[0], g_spinor_field[3]);
/* attention: additional factor 2kappa because of CMI format */
/*
if(format==1) {
for(ix=0; ix<VOLUME; ix++) {
_fv_ti_eq_re(&g_spinor_field[2][_GSI(ix)], 2.*g_kappa);
}
}
*/
if(Nlong>-1) {
if(g_cart_id==0) fprintf(stdout, "# fuzzing propagator with Nlong = %d\n", Nlong);
memcpy((void*)g_spinor_field[3], (void*)g_spinor_field[1], 24*VOLUMEPLUSRAND*sizeof(double));
Fuzz_prop(gauge_field_f, g_spinor_field[3], Nlong);
}
/* add new contractions to disc */
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
for(x0=0; x0<T; x0++) { /* loop on time */
for(x1=0; x1<VOL3; x1++) { /* loop on sites in timeslice */
ix = x0*VOL3 + x1;
for(mu=0; mu<16; mu++) { /* loop on index of gamma matrix */
_fv_eq_gamma_ti_fv(spinor1, mu, &g_spinor_field[1][_GSI(ix)]);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[2][_GSI(ix)], spinor1);
disc[2*( x0*16+mu) ] += w.re;
disc[2*( x0*16+mu)+1] += w.im;
_fv_eq_gamma_ti_fv(spinor1, 5, &g_spinor_field[1][_GSI(ix)]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[1][_GSI(ix)], spinor2);
disc[2*(16*T + x0*16+mu) ] += w.re;
disc[2*(16*T + x0*16+mu)+1] += w.im;
if(Nlong>-1) {
_fv_eq_gamma_ti_fv(spinor1, mu, &g_spinor_field[3][_GSI(ix)]);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[2][_GSI(ix)], spinor1);
disc[2*(32*T + x0*16+mu) ] += w.re;
disc[2*(32*T + x0*16+mu)+1] += w.im;
_fv_eq_gamma_ti_fv(spinor1, 5, &g_spinor_field[3][_GSI(ix)]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[1][_GSI(ix)], spinor2);
disc[2*(48*T + x0*16+mu) ] += w.re;
disc[2*(48*T + x0*16+mu)+1] += w.im;
}
}
}
}
if(g_cart_id==0) fprintf(stdout, "# addimag = %25.16e\n", addimag);
if(g_cart_id==0) fprintf(stdout, "# addreal = %25.16e\n", addreal);
for(x0=0; x0<T; x0++) {
disc[2*( x0*16+4) ] += addreal;
disc[2*( x0*16+5)+1] -= addimag;
/*
if(Nlong>-1) {
disc[2*(32*T + x0*16+4) ] += addreal;
disc[2*(32*T + x0*16+5)+1] -= addimag;
}
*/
}
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# contractions in %e seconds\n", retime-ratime);
/* write current disc to file */
if(g_cart_id==0) {
if(sid==g_sourceid) fprintf(ofs1, "#%6d%3d%3d%3d%3d\t%f\t%f\n", Nconf, T, LX, LY, LZ, g_kappa, g_mu);
if(sid==g_sourceid) fprintf(ofs2, "#%6d%3d%3d%3d%3d\t%f\t%f\n", Nconf, T, LX, LY, LZ, g_kappa, g_mu);
for(x0=0; x0<T; x0++) {
for(mu=0; mu<16; mu++) {
idx = gindex[mu];
ix = 16*x0 + idx;
if(isimag[mu]==0) {
fprintf(ofs2, "%6d%3d%4d%4d%25.16e%25.16e%25.16e%25.16e\n",
Nconf, mu, x0, sid,
gsign[mu]*disc[2* ix ]*v4norm, gsign[mu]*disc[2* ix +1]*v4norm,
gsign[mu]*disc[2*(32*T+ix)]*v4norm, gsign[mu]*disc[2*(32*T+ix)+1]*v4norm);
} else {
fprintf(ofs2, "%6d%3d%4d%4d%25.16e%25.16e%25.16e%25.16e\n",
Nconf, mu, x0, sid,
gsign[mu]*disc[2*( ix)+1]*v4norm, -gsign[mu]*disc[2* ix ]*v4norm,
gsign[mu]*disc[2*(32*T+ix)+1]*v4norm, -gsign[mu]*disc[2*(32*T+ix)]*v4norm);
}
}
}
for(x0=0; x0<T; x0++) {
for(mu=0; mu<16; mu++) {
idx = gindex[mu];
ix = 16*x0 + idx;
if(isimag[mu]==0) {
fprintf(ofs1, "%6d%3d%4d%4d%25.16e%25.16e%25.16e%25.16e\n",
Nconf, mu, x0, sid,
gsign[mu]*disc[2*(16*T+ix)+1]*vvnorm, -gsign[mu]*disc[2*(16*T+ix)]*vvnorm,
gsign[mu]*disc[2*(48*T+ix)+1]*vvnorm, -gsign[mu]*disc[2*(48*T+ix)]*vvnorm);
} else {
fprintf(ofs1, "%6d%3d%4d%4d%25.16e%25.16e%25.16e%25.16e\n",
Nconf, mu, x0, sid,
-gsign[mu]*disc[2*(16*T+ix)]*vvnorm, -gsign[mu]*disc[2*(16*T+ix)+1]*vvnorm,
-gsign[mu]*disc[2*(48*T+ix)]*vvnorm, -gsign[mu]*disc[2*(48*T+ix)+1]*vvnorm);
}
}
}
#ifdef MPI
for(c=1; c<g_nproc; c++) {
MPI_Recv(disc, 128*T, MPI_DOUBLE, c, 100+c, g_cart_grid, &status);
for(x0=0; x0<T; x0++) {
for(mu=0; mu<16; mu++) {
idx=gindex[mu];
ix = 16*x0 + idx;
if(isimag[mu]==0) {
fprintf(ofs2, "%6d%3d%4d%4d%25.16e%25.16e%25.16e%25.16e\n",
Nconf, mu, c*T+x0, sid,
gsign[mu]*disc[2* ix ]*v4norm, gsign[mu]*disc[2* ix +1]*v4norm,
gsign[mu]*disc[2*(32*T+ix)]*v4norm, gsign[mu]*disc[2*(32*T+ix)+1]*v4norm);
} else {
fprintf(ofs2, "%6d%3d%4d%4d%25.16e%25.16e%25.16e%25.16e\n",
Nconf, mu, c*T+x0, sid,
gsign[mu]*disc[2*( ix)+1]*v4norm, -gsign[mu]*disc[2* ix ]*v4norm,
gsign[mu]*disc[2*(32*T+ix)+1]*v4norm, -gsign[mu]*disc[2*(32*T+ix)]*v4norm);
}
}
}
for(x0=0; x0<T; x0++) {
for(mu=0; mu<16; mu++) {
idx = gindex[mu];
ix = 16*x0 + idx;
if(isimag[mu]==0) {
fprintf(ofs1, "%6d%3d%4d%4d%25.16e%25.16e%25.16e%25.16e\n",
Nconf, mu, c*T+x0, sid,
gsign[mu]*disc[2*(16*T+ix)+1]*vvnorm, -gsign[mu]*disc[2*(16*T+ix)]*vvnorm,
gsign[mu]*disc[2*(48*T+ix)+1]*vvnorm, -gsign[mu]*disc[2*(48*T+ix)]*vvnorm);
} else {
fprintf(ofs1, "%6d%3d%4d%4d%25.16e%25.16e%25.16e%25.16e\n",
Nconf, mu, c*T+x0, sid,
-gsign[mu]*disc[2*(16*T+ix)]*vvnorm, -gsign[mu]*disc[2*(16*T+ix)+1]*vvnorm,
-gsign[mu]*disc[2*(48*T+ix)]*vvnorm, -gsign[mu]*disc[2*(48*T+ix)+1]*vvnorm);
}
}
}
}
#endif
}
#ifdef MPI
else {
for(c=1; c<g_nproc; c++) {
if(g_cart_id==c) {
MPI_Send(disc, 128*T, MPI_DOUBLE, 0, 100+c, g_cart_grid);
}
}
}
#endif
} /* of loop on sid */
if(g_cart_id==0) { fclose(ofs1); fclose(ofs2); }
if(g_cart_id==0) {
fprintf(stdout, "# contributions from HPE:\n");
fprintf(stdout, "(1) X = id\t%25.16e%25.16e\n"\
" \t%25.16e%25.16e\n"\
"(2) X = 5\t%25.16e%25.16e\n"\
" \t%25.16e%25.16e\n",
hopexp_coeff[0], hopexp_coeff[1], hopexp_coeff[2], hopexp_coeff[3],
hopexp_coeff[4], hopexp_coeff[5], hopexp_coeff[6], hopexp_coeff[7]);
}
/* free the allocated memory, finalize */
free(g_gauge_field); g_gauge_field=(double*)NULL;
for(i=0; i<no_fields; i++) free(g_spinor_field[i]);
free(g_spinor_field); g_spinor_field=(double**)NULL;
free_geometry();
free(disc);
if(Nlong>-1) free(gauge_field_f);
#ifdef MPI
MPI_Finalize();
#endif
return(0);
}
int main(int argc, char **argv) {
int c, i, j, mu, nu;
int count = 0;
int filename_set = 0;
int dims[4] = {0,0,0,0};
int l_LX_at, l_LXstart_at;
int x0, x1, x2, x3, ix, iix, it;
int sid, status, gid;
double **corr=NULL, **corr2=NULL;
double *tcorr=NULL, *tcorr2=NULL;
double *work = (double*)NULL;
double q[4], fnorm;
int verbose = 0;
int do_gt = 0;
int nsource=0;
char filename[100], contype[200];
double ratime, retime;
double plaq;
double spinor1[24], spinor2[24], U_[18];
double *gauge_trafo=(double*)NULL;
double mom2, mom4;
complex w, w1, *cp1, *cp2, *cp3;
FILE *ofs;
#ifdef MPI
// MPI_Init(&argc, &argv);
fprintf(stderr, "[jc_ud_x] Error, only non-mpi version implemented\n");
exit(1);
#endif
while ((c = getopt(argc, argv, "h?f:")) != -1) {
switch (c) {
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'h':
case '?':
default:
usage();
break;
}
}
/* set the default values */
if(filename_set==0) strcpy(filename, "cvc.input");
fprintf(stdout, "# Reading input from file %s\n", filename);
read_input_parser(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stdout, "T and L's must be set\n");
usage();
}
if(g_kappa == 0.) {
if(g_proc_id==0) fprintf(stdout, "kappa should be > 0.n");
usage();
}
fprintf(stdout, "\n**************************************************\n");
fprintf(stdout, "* jc_ud_x\n");
fprintf(stdout, "**************************************************\n\n");
/*********************************
* initialize MPI parameters
*********************************/
// mpi_init(argc, argv);
/* initialize */
dims[0]=T_global; dims[1]=LX; dims[2]=LY; dims[3]=LZ;
T = T_global;
Tstart = 0;
l_LX_at = LX;
l_LXstart_at = 0;
FFTW_LOC_VOLUME = T*LX*LY*LZ;
fprintf(stdout, "# [%2d] parameters:\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n"\
"# [%2d] l_LX_at = %3d\n"\
"# [%2d] l_LXstart_at = %3d\n"\
"# [%2d] FFTW_LOC_VOLUME = %3d\n",
g_cart_id, g_cart_id, T, g_cart_id, Tstart, g_cart_id, l_LX_at,
g_cart_id, l_LXstart_at, g_cart_id, FFTW_LOC_VOLUME);
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
exit(1);
}
geometry();
/*************************************************
* allocate mem for gauge field and spinor fields
*************************************************/
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
no_fields = 2;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUMEPLUSRAND);
/****************************************
* allocate memory for the contractions
****************************************/
nsource = (g_sourceid2 - g_sourceid + 1) / g_sourceid_step;
if(g_cart_id==0) fprintf(stdout, "# nsource = %d\n", nsource);
corr = (double**)calloc( nsource, sizeof(double*));
corr[0] = (double*)calloc( nsource*T*8, sizeof(double));
for(i=1;i<nsource;i++) corr[i] = corr[i-1] + 8*T;
corr2 = (double**)calloc( nsource, sizeof(double*));
corr2[0] = (double*)calloc( nsource*8*T, sizeof(double));
for(i=1;i<nsource;i++) corr2[i] = corr2[i-1] + 8*T;
tcorr = (double*)calloc(T*8, sizeof(double));
tcorr2 = (double*)calloc(T*8, sizeof(double));
/***********************************************
* start loop on gauge id.s
***********************************************/
for(gid=g_gaugeid; gid<=g_gaugeid2; gid++) {
sprintf(filename, "%s.%.4d", gaugefilename_prefix, gid);
if(g_cart_id==0) fprintf(stdout, "# reading gauge field from file %s\n", filename);
read_lime_gauge_field_doubleprec(filename);
xchange_gauge();
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "# measured plaquette value: %25.16e\n", plaq);
/* reset disc to zero */
for(ix=0; ix<nsource*8*T; ix++) corr[0][ix] = 0.;
for(ix=0; ix<nsource*8*T; ix++) corr2[0][ix] = 0.;
count=0;
/***********************************************
* start loop on source id.s
***********************************************/
for(sid=g_sourceid; sid<=g_sourceid2; sid+=g_sourceid_step) {
/* read the new propagator to g_spinor_field[0] */
ratime = (double)clock() / CLOCKS_PER_SEC;
if(format==0) {
sprintf(filename, "%s.%.4d.%.2d.inverted", filename_prefix, gid, sid);
if(read_lime_spinor(g_spinor_field[0], filename, 0) != 0) break;
}
else if(format==1) {
sprintf(filename, "%s.%.4d.%.5d.inverted", filename_prefix, gid, sid);
if(read_cmi(g_spinor_field[0], filename) != 0) {
fprintf(stderr, "\nError from read_cmi\n");
break;
}
}
xchange_field(g_spinor_field[0]);
retime = (double)clock() / CLOCKS_PER_SEC;
if(g_cart_id==0) fprintf(stdout, "# time to read prop.: %e seconds\n", retime-ratime);
ratime = (double)clock() / CLOCKS_PER_SEC;
/* apply [1] = D_tm [0] */
Q_phi_tbc(g_spinor_field[1], g_spinor_field[0]);
xchange_field(g_spinor_field[1]);
retime = (double)clock() / CLOCKS_PER_SEC;
if(g_cart_id==0) fprintf(stdout, "# time to apply D_W: %e seconds\n", retime-ratime);
ratime = (double)clock() / CLOCKS_PER_SEC;
/* calculate real and imaginary part */
for(mu=0; mu<4; mu++) {
for(x0=0; x0<T; x0++) {
for(x1=0; x1<LX; x1++) {
for(x2=0; x2<LY; x2++) {
for(x3=0; x3<LZ; x3++) {
ix = g_ipt[x0][x1][x2][x3];
_cm_eq_cm_ti_co(U_, g_gauge_field+_GGI(ix,mu), &(co_phase_up[mu]));
_fv_eq_cm_ti_fv(spinor1, U_, &g_spinor_field[0][_GSI(g_iup[ix][mu])]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_mi_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[1][_GSI(ix)], spinor2);
corr[count][2*(mu*T+x0) ] -= 0.5*w.re;
corr[count][2*(mu*T+x0)+1] -= 0.5*w.im;
_fv_eq_cm_dag_ti_fv(spinor1, U_, &g_spinor_field[0][_GSI(ix)]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_pl_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[1][_GSI(g_iup[ix][mu])], spinor2);
corr[count][2*(mu*T+x0) ] -= 0.5*w.re;
corr[count][2*(mu*T+x0)+1] -= 0.5*w.im;
_fv_eq_gamma_ti_fv(spinor1, mu, &g_spinor_field[0][_GSI(ix)]);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[1][_GSI(ix)], spinor1);
corr2[count][2*(mu*T+x0) ] -= w.re;
corr2[count][2*(mu*T+x0)+1] -= w.im;
}}}
}
} // of mu
count++;
} // of sid
retime = (double)clock() / CLOCKS_PER_SEC;
if(g_cart_id==0) fprintf(stdout, "# time to calculate contractions: %e seconds\n", retime-ratime);
for(ix=0;ix<8*T;ix++) tcorr[ix] = 0.;
for(ix=0;ix<8*T;ix++) tcorr2[ix] = 0.;
for(i=0;i<nsource-1;i++) {
for(j=i+1;j<nsource;j++) {
for(mu=0;mu<4;mu++) {
for(x0=0;x0<T;x0++) { // times at source
for(x1=0;x1<T;x1++) { // times at sink
it = (x1 - x0 + T) % T;
// conserved current
tcorr[2*(mu*T+it) ] += corr[i][2*(mu*T+x1)] * corr[j][2*(mu*T+x0) ] - corr[i][2*(mu*T+x1)+1] * corr[j][2*(mu*T+x0)+1];
tcorr[2*(mu*T+it)+1] += corr[i][2*(mu*T+x1)] * corr[j][2*(mu*T+x0)+1] + corr[i][2*(mu*T+x1)+1] * corr[j][2*(mu*T+x0) ];
tcorr[2*(mu*T+it) ] += corr[j][2*(mu*T+x1)] * corr[i][2*(mu*T+x0) ] - corr[j][2*(mu*T+x1)+1] * corr[i][2*(mu*T+x0)+1];
tcorr[2*(mu*T+it)+1] += corr[j][2*(mu*T+x1)] * corr[i][2*(mu*T+x0)+1] + corr[j][2*(mu*T+x1)+1] * corr[i][2*(mu*T+x0) ];
// local current
tcorr2[2*(mu*T+it) ] += corr2[i][2*(mu*T+x1)] * corr2[j][2*(mu*T+x0) ] - corr2[i][2*(mu*T+x1)+1] * corr2[j][2*(mu*T+x0)+1];
tcorr2[2*(mu*T+it)+1] += corr2[i][2*(mu*T+x1)] * corr2[j][2*(mu*T+x0)+1] + corr2[i][2*(mu*T+x1)+1] * corr2[j][2*(mu*T+x0) ];
tcorr2[2*(mu*T+it) ] += corr2[j][2*(mu*T+x1)] * corr2[i][2*(mu*T+x0) ] - corr2[j][2*(mu*T+x1)+1] * corr2[i][2*(mu*T+x0)+1];
tcorr2[2*(mu*T+it)+1] += corr2[j][2*(mu*T+x1)] * corr2[i][2*(mu*T+x0)+1] + corr2[j][2*(mu*T+x1)+1] * corr2[i][2*(mu*T+x0) ];
}}
}
}}
fnorm = 1. / ( g_prop_normsqr * g_prop_normsqr * (double)(LX*LY*LZ) * (double)(LX*LY*LZ) * nsource * (nsource-1));
if(g_cart_id==0) fprintf(stdout, "X-fnorm = %e\n", fnorm);
for(ix=0;ix<8*T;ix++) tcorr[ix] *= fnorm;
for(ix=0;ix<8*T;ix++) tcorr2[ix] *= fnorm;
/************************************************
* save results
************************************************/
if(g_cart_id == 0) fprintf(stdout, "# save results for gauge id %d and sid %d\n", gid, sid);
/* save the result in position space */
sprintf(filename, "jc_u_tp0.%.4d.%.4d", gid, sid);
ofs = fopen(filename, "w");
for(x0=0;x0<T;x0++) fprintf(ofs, "%d%25.16e%25.16e%25.16e%25.16e%25.16e%25.16e%25.16e%25.16e\n", x0,
tcorr[2*(0*T+x0)], tcorr[2*(0*T+x0)+1],
tcorr[2*(1*T+x0)], tcorr[2*(1*T+x0)+1],
tcorr[2*(2*T+x0)], tcorr[2*(2*T+x0)+1],
tcorr[2*(3*T+x0)], tcorr[2*(3*T+x0)+1]);
fclose(ofs);
} /* of loop on gid */
/***********************************************
* free the allocated memory, finalize
***********************************************/
free(g_gauge_field);
for(i=0; i<no_fields; i++) free(g_spinor_field[i]);
free(g_spinor_field);
free_geometry();
free(corr);
free(corr2);
free(tcorr);
free(tcorr2);
return(0);
}
int main(int argc, char **argv) {
int c, i, mu, status;
int ispin, icol, isc;
int n_c = 3;
int n_s = 4;
int count = 0;
int filename_set = 0;
int dims[4] = {0,0,0,0};
int grid_size[4];
int l_LX_at, l_LXstart_at;
int x0, x1, x2, x3, ix, iix, iy, is, it, i3;
int sl0, sl1, sl2, sl3, have_source_flag=0;
int source_proc_coords[4], lsl0, lsl1, lsl2, lsl3;
int check_residuum = 0;
unsigned int VOL3, V5;
int do_gt = 0;
int full_orbit = 0;
int smear_source = 0;
char filename[200], source_filename[200], source_filename_write[200];
double ratime, retime;
double plaq_r=0., plaq_m=0., norm, norm2;
double spinor1[24];
double *gauge_qdp[4], *gauge_field_timeslice=NULL, *gauge_field_smeared=NULL;
double _1_2_kappa, _2_kappa, phase;
FILE *ofs;
int mu_trans[4] = {3, 0, 1, 2};
int threadid, nthreads;
int timeslice, source_timeslice;
char rng_file_in[100], rng_file_out[100];
int *source_momentum=NULL;
int source_momentum_class = -1;
int source_momentum_no = 0;
int source_momentum_runs = 1;
int imom;
int num_gpu_on_node=0, rank;
int source_location_5d_iseven;
int convert_sign=0;
#ifdef HAVE_QUDA
int rotate_gamma_basis = 1;
#else
int rotate_gamma_basis = 0;
#endif
omp_lock_t *lck = NULL, gen_lck[1];
int key = 0;
/****************************************************************************/
/* for smearing parallel to inversion */
double *smearing_spinor_field[] = {NULL,NULL};
int dummy_flag = 0;
/****************************************************************************/
/****************************************************************************/
#if (defined HAVE_QUDA) && (defined MULTI_GPU)
int x_face_size, y_face_size, z_face_size, t_face_size, pad_size;
#endif
/****************************************************************************/
/************************************************/
int qlatt_nclass;
int *qlatt_id=NULL, *qlatt_count=NULL, **qlatt_rep=NULL, **qlatt_map=NULL;
double **qlatt_list=NULL;
/************************************************/
/************************************************/
double boundary_condition_factor;
int boundary_condition_factor_set = 0;
/************************************************/
//#ifdef MPI
// kernelPackT = true;
//#endif
/***********************************************
* QUDA parameters
***********************************************/
#ifdef HAVE_QUDA
QudaPrecision cpu_prec = QUDA_DOUBLE_PRECISION;
QudaPrecision cuda_prec = QUDA_DOUBLE_PRECISION;
QudaPrecision cuda_prec_sloppy = QUDA_SINGLE_PRECISION;
QudaGaugeParam gauge_param = newQudaGaugeParam();
QudaInvertParam inv_param = newQudaInvertParam();
#endif
while ((c = getopt(argc, argv, "soch?vgf:p:b:S:R:")) != -1) {
switch (c) {
case 'v':
g_verbose = 1;
break;
case 'g':
do_gt = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'c':
check_residuum = 1;
fprintf(stdout, "# [invert_dw_quda] will check residuum again\n");
break;
case 'p':
n_c = atoi(optarg);
fprintf(stdout, "# [invert_dw_quda] will use number of colors = %d\n", n_c);
break;
case 'o':
full_orbit = 1;
fprintf(stdout, "# [invert_dw_quda] will invert for full orbit, if source momentum set\n");
case 's':
smear_source = 1;
fprintf(stdout, "# [invert_dw_quda] will smear the sources if they are read from file\n");
break;
case 'b':
boundary_condition_factor = atof(optarg);
boundary_condition_factor_set = 1;
fprintf(stdout, "# [invert_dw_quda] const. boundary condition factor set to %e\n", boundary_condition_factor);
break;
case 'S':
convert_sign = atoi(optarg);
fprintf(stdout, "# [invert_dw_quda] using convert sign %d\n", convert_sign);
break;
case 'R':
rotate_gamma_basis = atoi(optarg);
fprintf(stdout, "# [invert_dw_quda] rotate gamma basis %d\n", rotate_gamma_basis);
break;
case 'h':
case '?':
default:
usage();
break;
}
}
// get the time stamp
g_the_time = time(NULL);
/**************************************
* set the default values, read input
**************************************/
if(filename_set==0) strcpy(filename, "cvc.input");
if(g_proc_id==0) fprintf(stdout, "# Reading input from file %s\n", filename);
read_input_parser(filename);
#ifdef MPI
#ifdef HAVE_QUDA
grid_size[0] = g_nproc_x;
grid_size[1] = g_nproc_y;
grid_size[2] = g_nproc_z;
grid_size[3] = g_nproc_t;
fprintf(stdout, "# [] g_nproc = (%d,%d,%d,%d)\n", g_nproc_x, g_nproc_y, g_nproc_z, g_nproc_t);
initCommsQuda(argc, argv, grid_size, 4);
#else
MPI_Init(&argc, &argv);
#endif
#endif
#if (defined PARALLELTX) || (defined PARALLELTXY)
EXIT_WITH_MSG(1, "[] Error, 2-dim./3-dim. MPI-Version not yet implemented");
#endif
// some checks on the input data
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stderr, "[invert_dw_quda] Error, T and L's must be set\n");
usage();
}
// set number of openmp threads
// initialize MPI parameters
mpi_init(argc, argv);
// the volume of a timeslice
VOL3 = LX*LY*LZ;
V5 = T*LX*LY*LZ*L5;
g_kappa5d = 0.5 / (5. + g_m5);
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] kappa5d = %e\n", g_kappa5d);
fprintf(stdout, "# [%2d] parameters:\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n"\
"# [%2d] L5 = %3d\n",\
g_cart_id, g_cart_id, T, g_cart_id, Tstart, g_cart_id, L5);
#ifdef MPI
if(T==0) {
fprintf(stderr, "[%2d] local T is zero; exit\n", g_cart_id);
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(2);
}
#endif
if(init_geometry() != 0) {
fprintf(stderr, "[invert_dw_quda] Error from init_geometry\n");
EXIT(1);
}
geometry();
if( init_geometry_5d() != 0 ) {
fprintf(stderr, "[invert_dw_quda] Error from init_geometry_5d\n");
EXIT(2);
}
geometry_5d();
/**************************************
* initialize the QUDA library
**************************************/
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] initializing quda\n");
#ifdef HAVE_QUDA
// cudaGetDeviceCount(&num_gpu_on_node);
if(g_gpu_per_node<0) {
if(g_cart_id==0) fprintf(stderr, "[] Error, number of GPUs per node not set\n");
EXIT(106);
} else {
num_gpu_on_node = g_gpu_per_node;
}
#ifdef MPI
rank = comm_rank();
#else
rank = 0;
#endif
g_gpu_device_number = rank % num_gpu_on_node;
fprintf(stdout, "# [] process %d/%d uses device %d\n", rank, g_cart_id, g_gpu_device_number);
initQuda(g_gpu_device_number);
#endif
/**************************************
* prepare the gauge field
**************************************/
// read the gauge field from file
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
if(strcmp( gaugefilename_prefix, "identity")==0 ) {
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] Setting up unit gauge field\n");
for(ix=0;ix<VOLUME; ix++) {
for(mu=0;mu<4;mu++) {
_cm_eq_id(g_gauge_field+_GGI(ix,mu));
}
}
} else if(strcmp( gaugefilename_prefix, "random")==0 ) {
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] Setting up random gauge field with seed = %d\n", g_seed);
init_rng_state(g_seed, &g_rng_state);
random_gauge_field(g_gauge_field, 1.);
plaquette(&plaq_m);
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
check_error(write_lime_gauge_field(filename, plaq_m, Nconf, 64), "write_lime_gauge_field", NULL, 12);
} else {
if(g_gauge_file_format == 0) {
// ILDG
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "# Reading gauge field from file %s\n", filename);
status = read_lime_gauge_field_doubleprec(filename);
} else if(g_gauge_file_format == 1) {
// NERSC
sprintf(filename, "%s.%.5d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "# Reading gauge field from file %s\n", filename);
status = read_nersc_gauge_field(g_gauge_field, filename, &plaq_r);
//status = read_nersc_gauge_field_3x3(g_gauge_field, filename, &plaq_r);
}
if(status != 0) {
fprintf(stderr, "[invert_dw_quda] Error, could not read gauge field");
EXIT(12);
}
}
#ifdef MPI
xchange_gauge();
#endif
// measure the plaquette
plaquette(&plaq_m);
if(g_cart_id==0) fprintf(stdout, "# Measured plaquette value: %25.16e\n", plaq_m);
if(g_cart_id==0) fprintf(stdout, "# Read plaquette value : %25.16e\n", plaq_r);
#ifndef HAVE_QUDA
if(N_Jacobi>0) {
#endif
// allocate the smeared / qdp ordered gauge field
alloc_gauge_field(&gauge_field_smeared, VOLUMEPLUSRAND);
for(i=0;i<4;i++) {
gauge_qdp[i] = gauge_field_smeared + i*18*VOLUME;
}
#ifndef HAVE_QUDA
}
#endif
#ifdef HAVE_QUDA
// transcribe the gauge field
omp_set_num_threads(g_num_threads);
#pragma omp parallel for private(ix,iy,mu)
for(ix=0;ix<VOLUME;ix++) {
iy = g_lexic2eot[ix];
for(mu=0;mu<4;mu++) {
_cm_eq_cm(gauge_qdp[mu_trans[mu]]+18*iy, g_gauge_field+_GGI(ix,mu));
}
}
// multiply timeslice T-1 with factor of -1 (antiperiodic boundary condition)
if(g_proc_coords[0]==g_nproc_t-1) {
if(!boundary_condition_factor_set) boundary_condition_factor = -1.;
fprintf(stdout, "# [] process %d multiplies gauge-field timeslice T_global-1 with boundary condition factor %e\n", g_cart_id,
boundary_condition_factor);
omp_set_num_threads(g_num_threads);
#pragma omp parallel for private(ix,iy)
for(ix=0;ix<VOL3;ix++) {
iix = (T-1)*VOL3 + ix;
iy = g_lexic2eot[iix];
_cm_ti_eq_re(gauge_qdp[mu_trans[0]]+18*iy, -1.);
}
}
// QUDA precision parameters
switch(g_cpu_prec) {
case 0: cpu_prec = QUDA_HALF_PRECISION; if(g_cart_id==0) fprintf(stdout, "# [] CPU prec = half\n"); break;
case 1: cpu_prec = QUDA_SINGLE_PRECISION; if(g_cart_id==0) fprintf(stdout, "# [] CPU prec = single\n"); break;
case 2: cpu_prec = QUDA_DOUBLE_PRECISION; if(g_cart_id==0) fprintf(stdout, "# [] CPU prec = double\n"); break;
default: cpu_prec = QUDA_DOUBLE_PRECISION; break;
}
switch(g_gpu_prec) {
case 0: cuda_prec = QUDA_HALF_PRECISION; if(g_cart_id==0) fprintf(stdout, "# [] GPU prec = half\n"); break;
case 1: cuda_prec = QUDA_SINGLE_PRECISION; if(g_cart_id==0) fprintf(stdout, "# [] GPU prec = single\n"); break;
case 2: cuda_prec = QUDA_DOUBLE_PRECISION; if(g_cart_id==0) fprintf(stdout, "# [] GPU prec = double\n"); break;
default: cuda_prec = QUDA_DOUBLE_PRECISION; break;
}
switch(g_gpu_prec_sloppy) {
case 0: cuda_prec_sloppy = QUDA_HALF_PRECISION; if(g_cart_id==0) fprintf(stdout, "# [] GPU sloppy prec = half\n"); break;
case 1: cuda_prec_sloppy = QUDA_SINGLE_PRECISION; if(g_cart_id==0) fprintf(stdout, "# [] GPU sloppy prec = single\n"); break;
case 2: cuda_prec_sloppy = QUDA_DOUBLE_PRECISION; if(g_cart_id==0) fprintf(stdout, "# [] GPU sloppy prec = double\n"); break;
default: cuda_prec_sloppy = QUDA_SINGLE_PRECISION; break;
}
// QUDA gauge parameters
gauge_param.X[0] = LX;
gauge_param.X[1] = LY;
gauge_param.X[2] = LZ;
gauge_param.X[3] = T;
inv_param.Ls = L5;
gauge_param.anisotropy = 1.0;
gauge_param.type = QUDA_WILSON_LINKS;
gauge_param.gauge_order = QUDA_QDP_GAUGE_ORDER;
gauge_param.t_boundary = QUDA_ANTI_PERIODIC_T;
gauge_param.cpu_prec = cpu_prec;
gauge_param.cuda_prec = cuda_prec;
gauge_param.reconstruct = QUDA_RECONSTRUCT_12;
gauge_param.cuda_prec_sloppy = cuda_prec_sloppy;
gauge_param.reconstruct_sloppy = QUDA_RECONSTRUCT_12;
gauge_param.gauge_fix = QUDA_GAUGE_FIXED_NO;
gauge_param.ga_pad = 0;
inv_param.sp_pad = 0;
inv_param.cl_pad = 0;
// For multi-GPU, ga_pad must be large enough to store a time-slice
#ifdef MULTI_GPU
x_face_size = inv_param.Ls * gauge_param.X[1]*gauge_param.X[2]*gauge_param.X[3]/2;
y_face_size = inv_param.Ls * gauge_param.X[0]*gauge_param.X[2]*gauge_param.X[3]/2;
z_face_size = inv_param.Ls * gauge_param.X[0]*gauge_param.X[1]*gauge_param.X[3]/2;
t_face_size = inv_param.Ls * gauge_param.X[0]*gauge_param.X[1]*gauge_param.X[2]/2;
pad_size = _MAX(x_face_size, y_face_size);
pad_size = _MAX(pad_size, z_face_size);
pad_size = _MAX(pad_size, t_face_size);
gauge_param.ga_pad = pad_size;
if(g_cart_id==0) printf("# [invert_dw_quda] pad_size = %d\n", pad_size);
#endif
// load the gauge field
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] loading gauge field\n");
loadGaugeQuda((void*)gauge_qdp, &gauge_param);
gauge_qdp[0] = NULL;
gauge_qdp[1] = NULL;
gauge_qdp[2] = NULL;
gauge_qdp[3] = NULL;
#endif
/*********************************************
* APE smear the gauge field
*********************************************/
if(N_Jacobi>0) {
memcpy(gauge_field_smeared, g_gauge_field, 72*VOLUMEPLUSRAND*sizeof(double));
fprintf(stdout, "# [invert_dw_quda] APE smearing gauge field with paramters N_APE=%d, alpha_APE=%e\n", N_ape, alpha_ape);
APE_Smearing_Step_threads(gauge_field_smeared, N_ape, alpha_ape);
xchange_gauge_field(gauge_field_smeared);
}
// allocate memory for the spinor fields
#ifdef HAVE_QUDA
no_fields = 3+2;
#else
no_fields = 6+2;
#endif
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUMEPLUSRAND*L5);
smearing_spinor_field[0] = g_spinor_field[no_fields-2];
smearing_spinor_field[1] = g_spinor_field[no_fields-1];
switch(g_source_type) {
case 0:
case 5:
// the source locaton
sl0 = g_source_location / (LX_global*LY_global*LZ);
sl1 = ( g_source_location % (LX_global*LY_global*LZ) ) / ( LY_global*LZ);
sl2 = ( g_source_location % ( LY_global*LZ) ) / ( LZ);
sl3 = g_source_location % LZ;
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] global sl = (%d, %d, %d, %d)\n", sl0, sl1, sl2, sl3);
source_proc_coords[0] = sl0 / T;
source_proc_coords[1] = sl1 / LX;
source_proc_coords[2] = sl2 / LY;
source_proc_coords[3] = sl3 / LZ;
#ifdef MPI
MPI_Cart_rank(g_cart_grid, source_proc_coords, &g_source_proc_id);
#else
g_source_proc_id = 0;
#endif
have_source_flag = g_source_proc_id == g_cart_id;
lsl0 = sl0 % T;
lsl1 = sl1 % LX;
lsl2 = sl2 % LY;
lsl3 = sl3 % LZ;
if(have_source_flag) {
fprintf(stdout, "# [invert_dw_quda] process %d has the source at (%d, %d, %d, %d)\n", g_cart_id, lsl0, lsl1, lsl2, lsl3);
}
break;
case 2:
case 3:
case 4:
// the source timeslice
#ifdef MPI
source_proc_coords[0] = g_source_timeslice / T;
source_proc_coords[1] = 0;
source_proc_coords[2] = 0;
source_proc_coords[3] = 0;
MPI_Cart_rank(g_cart_grid, source_proc_coords, &g_source_proc_id);
have_source_flag = ( g_source_proc_id == g_cart_id );
source_timeslice = have_source_flag ? g_source_timeslice % T : -1;
#else
g_source_proc_id = 0;
have_source_flag = 1;
source_timeslice = g_source_timeslice;
#endif
break;
}
#ifdef HAVE_QUDA
/*************************************************************
* QUDA inverter parameters
*************************************************************/
inv_param.dslash_type = QUDA_DOMAIN_WALL_DSLASH;
if(strcmp(g_inverter_type_name, "cg") == 0) {
inv_param.inv_type = QUDA_CG_INVERTER;
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] using cg inverter\n");
} else if(strcmp(g_inverter_type_name, "bicgstab") == 0) {
inv_param.inv_type = QUDA_BICGSTAB_INVERTER;
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] using bicgstab inverter\n");
#ifdef MULTI_GPU
} else if(strcmp(g_inverter_type_name, "gcr") == 0) {
inv_param.inv_type = QUDA_GCR_INVERTER;
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] using gcr inverter\n");
#endif
} else {
if(g_cart_id==0) fprintf(stderr, "[invert_dw_quda] Error, unrecognized inverter type %s\n", g_inverter_type_name);
EXIT(123);
}
if(inv_param.inv_type == QUDA_CG_INVERTER) {
inv_param.solution_type = QUDA_MAT_SOLUTION;
inv_param.solve_type = QUDA_NORMEQ_PC_SOLVE;
} else if(inv_param.inv_type == QUDA_BICGSTAB_INVERTER) {
inv_param.solution_type = QUDA_MAT_SOLUTION;
inv_param.solve_type = QUDA_DIRECT_PC_SOLVE;
} else {
inv_param.solution_type = QUDA_MATPC_SOLUTION;
inv_param.solve_type = QUDA_DIRECT_PC_SOLVE;
}
inv_param.m5 = g_m5;
inv_param.kappa = 0.5 / (5. + inv_param.m5);
inv_param.mass = g_m0;
inv_param.tol = solver_precision;
inv_param.maxiter = niter_max;
inv_param.reliable_delta = reliable_delta;
#ifdef MPI
// domain decomposition preconditioner parameters
if(inv_param.inv_type == QUDA_GCR_INVERTER) {
if(g_cart_id == 0) printf("# [] settup DD parameters\n");
inv_param.gcrNkrylov = 15;
inv_param.inv_type_precondition = QUDA_MR_INVERTER;
inv_param.tol_precondition = 1e-6;
inv_param.maxiter_precondition = 200;
inv_param.verbosity_precondition = QUDA_VERBOSE;
inv_param.prec_precondition = cuda_prec_sloppy;
inv_param.omega = 0.7;
}
#endif
inv_param.matpc_type = QUDA_MATPC_EVEN_EVEN;
inv_param.dagger = QUDA_DAG_NO;
inv_param.mass_normalization = QUDA_KAPPA_NORMALIZATION; //;QUDA_MASS_NORMALIZATION;
inv_param.cpu_prec = cpu_prec;
inv_param.cuda_prec = cuda_prec;
inv_param.cuda_prec_sloppy = cuda_prec_sloppy;
inv_param.verbosity = QUDA_VERBOSE;
inv_param.preserve_source = QUDA_PRESERVE_SOURCE_NO;
inv_param.dirac_order = QUDA_DIRAC_ORDER;
#ifdef MPI
inv_param.preserve_dirac = QUDA_PRESERVE_DIRAC_YES;
inv_param.prec_precondition = cuda_prec_sloppy;
inv_param.gamma_basis = QUDA_DEGRAND_ROSSI_GAMMA_BASIS;
inv_param.dirac_tune = QUDA_TUNE_NO;
#endif
#endif
/*******************************************
* write initial rng state to file
*******************************************/
if( g_source_type==2 && g_coherent_source==2 ) {
sprintf(rng_file_out, "%s.0", g_rng_filename);
status = init_rng_stat_file (g_seed, rng_file_out);
if( status != 0 ) {
fprintf(stderr, "[invert_dw_quda] Error, could not write rng status\n");
EXIT(210);
}
} else if( (g_source_type==2 /*&& g_coherent_source==1*/) || g_source_type==3 || g_source_type==4) {
if( init_rng_state(g_seed, &g_rng_state) != 0 ) {
fprintf(stderr, "[invert_dw_quda] Error, could initialize rng state\n");
EXIT(211);
}
}
/*******************************************
* prepare locks for openmp
*******************************************/
nthreads = g_num_threads - 1;
lck = (omp_lock_t*)malloc(nthreads * sizeof(omp_lock_t));
if(lck == NULL) {
EXIT_WITH_MSG(97, "[invert_dw_quda] Error, could not allocate lck\n");
}
// init locks
for(i=0;i<nthreads;i++) {
omp_init_lock(lck+i);
}
omp_init_lock(gen_lck);
// check the source momenta
if(g_source_momentum_set) {
source_momentum = (int*)malloc(3*sizeof(int));
if(g_source_momentum[0]<0) g_source_momentum[0] += LX_global;
if(g_source_momentum[1]<0) g_source_momentum[1] += LY_global;
if(g_source_momentum[2]<0) g_source_momentum[2] += LZ_global;
fprintf(stdout, "# [invert_dw_quda] using final source momentum ( %d, %d, %d )\n", g_source_momentum[0], g_source_momentum[1], g_source_momentum[2]);
if(full_orbit) {
status = make_qcont_orbits_3d_parity_avg( &qlatt_id, &qlatt_count, &qlatt_list, &qlatt_nclass, &qlatt_rep, &qlatt_map);
if(status != 0) {
if(g_cart_id==0) fprintf(stderr, "\n[invert_dw_quda] Error while creating O_3-lists\n");
EXIT(4);
}
source_momentum_class = qlatt_id[g_ipt[0][g_source_momentum[0]][g_source_momentum[1]][g_source_momentum[2]]];
source_momentum_no = qlatt_count[source_momentum_class];
source_momentum_runs = source_momentum_class==0 ? 1 : source_momentum_no + 1;
if(g_cart_id==0) fprintf(stdout, "# [] source momentum belongs to class %d with %d members, which means %d runs\n",
source_momentum_class, source_momentum_no, source_momentum_runs);
}
}
if(g_source_type == 5) {
if(g_seq_source_momentum_set) {
if(g_seq_source_momentum[0]<0) g_seq_source_momentum[0] += LX_global;
if(g_seq_source_momentum[1]<0) g_seq_source_momentum[1] += LY_global;
if(g_seq_source_momentum[2]<0) g_seq_source_momentum[2] += LZ_global;
} else if(g_source_momentum_set) {
g_seq_source_momentum[0] = g_source_momentum[0];
g_seq_source_momentum[1] = g_source_momentum[1];
g_seq_source_momentum[2] = g_source_momentum[2];
}
fprintf(stdout, "# [invert_dw_quda] using final sequential source momentum ( %d, %d, %d )\n",
g_seq_source_momentum[0], g_seq_source_momentum[1], g_seq_source_momentum[2]);
}
/***********************************************
* loop on spin-color-index
***********************************************/
for(isc=g_source_index[0]; isc<=g_source_index[1]; isc++)
// for(isc=g_source_index[0]; isc<=g_source_index[0]; isc++)
{
ispin = isc / n_c;
icol = isc % n_c;
for(imom=0; imom<source_momentum_runs; imom++) {
/***********************************************
* set source momentum
***********************************************/
if(g_source_momentum_set) {
if(imom == 0) {
if(full_orbit) {
source_momentum[0] = 0;
source_momentum[1] = 0;
source_momentum[2] = 0;
} else {
source_momentum[0] = g_source_momentum[0];
source_momentum[1] = g_source_momentum[1];
source_momentum[2] = g_source_momentum[2];
}
} else {
source_momentum[0] = qlatt_map[source_momentum_class][imom-1] / (LY_global*LZ_global);
source_momentum[1] = ( qlatt_map[source_momentum_class][imom-1] % (LY_global*LZ_global) ) / LZ_global;
source_momentum[2] = qlatt_map[source_momentum_class][imom-1] % LZ_global;
}
if(g_cart_id==0) fprintf(stdout, "# [] run no. %d, source momentum (%d, %d, %d)\n",
imom, source_momentum[0], source_momentum[1], source_momentum[2]);
}
/***********************************************
* prepare the souce
***********************************************/
if(g_read_source == 0) { // create source
switch(g_source_type) {
case 0:
// point source
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] Creating point source\n");
for(ix=0;ix<L5*VOLUME;ix++) { _fv_eq_zero(g_spinor_field[0]+ix); }
if(have_source_flag) {
if(g_source_momentum_set) {
phase = 2*M_PI*( source_momentum[0]*sl1/(double)LX_global + source_momentum[1]*sl2/(double)LY_global + source_momentum[2]*sl3/(double)LZ_global );
g_spinor_field[0][_GSI(g_ipt[lsl0][lsl1][lsl2][lsl3]) + 2*(n_c*ispin+icol) ] = cos(phase);
g_spinor_field[0][_GSI(g_ipt[lsl0][lsl1][lsl2][lsl3]) + 2*(n_c*ispin+icol)+1] = sin(phase);
} else {
g_spinor_field[0][_GSI(g_ipt[lsl0][lsl1][lsl2][lsl3]) + 2*(n_c*ispin+icol) ] = 1.;
}
}
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d.qx%.2dqy%.2dqz%.2d",
filename_prefix, Nconf, sl0, sl1, sl2, sl3, n_c*ispin+icol, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d", filename_prefix, Nconf, sl0, sl1, sl2, sl3, n_c*ispin+icol);
}
#ifdef HAVE_QUDA
// set matpc_tpye
source_location_5d_iseven = ( (g_iseven[g_ipt[lsl0][lsl1][lsl2][lsl3]] && ispin<n_s/2) || (!g_iseven[g_ipt[lsl0][lsl1][lsl2][lsl3]] && ispin>=n_s/2) ) ? 1 : 0;
if(source_location_5d_iseven) {
inv_param.matpc_type = QUDA_MATPC_EVEN_EVEN;
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] matpc type is MATPC_EVEN_EVEN\n");
} else {
inv_param.matpc_type = QUDA_MATPC_ODD_ODD;
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] matpc type is MATPC_ODD_ODD\n");
}
#endif
break;
case 2:
// timeslice source
if(g_coherent_source==1) {
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] Creating coherent timeslice source\n");
status = prepare_coherent_timeslice_source(g_spinor_field[0], gauge_field_smeared, g_coherent_source_base, g_coherent_source_delta, VOLUME, g_rng_state, 1);
if(status != 0) {
fprintf(stderr, "[invert_dw_quda] Error from prepare source, status was %d\n", status);
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 123);
MPI_Finalize();
#endif
exit(123);
}
check_error(prepare_coherent_timeslice_source(g_spinor_field[0], gauge_field_smeared, g_coherent_source_base, g_coherent_source_delta, VOLUME, g_rng_state, 1),
"prepare_coherent_timeslice_source", NULL, 123);
timeslice = g_coherent_source_base;
} else {
if(g_coherent_source==2) {
timeslice = (g_coherent_source_base+isc*g_coherent_source_delta)%T_global;
fprintf(stdout, "# [invert_dw_quda] Creating timeslice source\n");
check_error(prepare_timeslice_source(g_spinor_field[0], gauge_field_smeared, timeslice, VOLUME, g_rng_state, 1),
"prepare_timeslice_source", NULL, 123);
} else {
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] Creating timeslice source\n");
check_error(prepare_timeslice_source(g_spinor_field[0], gauge_field_smeared, g_source_timeslice, VOLUME, g_rng_state, 1),
"prepare_timeslice_source", NULL, 124);
timeslice = g_source_timeslice;
}
}
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.%.2d.%.5d.qx%.2dqy%.2dqz%.2d", filename_prefix, Nconf,
timeslice, isc, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.%.2d.%.5d", filename_prefix, Nconf, timeslice, isc);
}
break;
case 3:
// timeslice sources for one-end trick (spin dilution)
fprintf(stdout, "# [invert_dw_quda] Creating timeslice source for one-end-trick\n");
check_error( prepare_timeslice_source_one_end(g_spinor_field[0], gauge_field_smeared, source_timeslice, source_momentum, isc%n_s, g_rng_state, \
( isc%n_s==(n_s-1) && imom==source_momentum_runs-1 )), "prepare_timeslice_source_one_end", NULL, 125 );
c = N_Jacobi > 0 ? isc%n_s + n_s : isc%n_s;
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.%.2d.%.2d.qx%.2dqy%.2dqz%.2d", filename_prefix, Nconf,
g_source_timeslice, c, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.%.2d.%.2d", filename_prefix, Nconf, g_source_timeslice, c);
}
break;
case 4:
// timeslice sources for one-end trick (spin and color dilution )
fprintf(stdout, "# [invert_dw_quda] Creating timeslice source for one-end-trick\n");
check_error(prepare_timeslice_source_one_end_color(g_spinor_field[0], gauge_field_smeared, source_timeslice, source_momentum,\
isc%(n_s*n_c), g_rng_state, ( isc%(n_s*n_c)==(n_s*n_c-1) && imom==source_momentum_runs-1 )), "prepare_timeslice_source_one_end_color", NULL, 126);
c = N_Jacobi > 0 ? isc%(n_s*n_c) + (n_s*n_c) : isc%(n_s*n_c);
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.%.2d.%.2d.qx%.2dqy%.2dqz%.2d", filename_prefix, Nconf,
g_source_timeslice, c, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.%.2d.%.2d", filename_prefix, Nconf, g_source_timeslice, c);
}
break;
case 5:
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] preparing sequential point source\n");
check_error( prepare_sequential_point_source (g_spinor_field[0], isc, sl0, g_seq_source_momentum,
smear_source, g_spinor_field[1], gauge_field_smeared), "prepare_sequential_point_source", NULL, 33);
sprintf(source_filename, "%s.%.4d.t%.2dx%.2d.y%.2d.z%.2d.%.2d.qx%.2dqy%.2dqz%.2d", filename_prefix2, Nconf,
sl0, sl1, sl2, sl3, isc, g_source_momentum[0], g_source_momentum[1], g_source_momentum[2]);
break;
default:
fprintf(stderr, "\nError, unrecognized source type\n");
exit(32);
break;
}
} else { // read source
switch(g_source_type) {
case 0: // point source
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d.qx%.2dqy%.2dqz%.2d", \
filename_prefix2, Nconf, sl0, sl1, sl2, sl3, isc, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d", filename_prefix2, Nconf, sl0, sl1, sl2, sl3, isc);
}
fprintf(stdout, "# [invert_dw_quda] reading source from file %s\n", source_filename);
check_error(read_lime_spinor(g_spinor_field[0], source_filename, 0), "read_lime_spinor", NULL, 115);
break;
case 2: // timeslice source
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.%.2d.%.5d.qx%.2dqy%.2dqz%.2d", filename_prefix2, Nconf, g_source_timeslice,
isc, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.%.2d.%.5d", filename_prefix2, Nconf, g_source_timeslice, isc);
}
fprintf(stdout, "# [invert_dw_quda] reading source from file %s\n", source_filename);
check_error(read_lime_spinor(g_spinor_field[0], source_filename, 0), "read_lime_spinor", NULL, 115);
break;
default:
check_error(1, "source type", NULL, 104);
break;
case -1: // timeslice source
sprintf(source_filename, "%s", filename_prefix2);
fprintf(stdout, "# [invert_dw_quda] reading source from file %s\n", source_filename);
check_error(read_lime_spinor(g_spinor_field[0], source_filename, 0), "read_lime_spinor", NULL, 115);
break;
}
} // of if g_read_source
if(g_write_source) {
check_error(write_propagator(g_spinor_field[0], source_filename, 0, g_propagator_precision), "write_propagator", NULL, 27);
}
/***********************************************************************************************
* here threads split:
***********************************************************************************************/
if(dummy_flag==0) strcpy(source_filename_write, source_filename);
memcpy((void*)(smearing_spinor_field[0]), (void*)(g_spinor_field[0]), 24*VOLUME*sizeof(double));
if(dummy_flag>0) {
// copy only if smearing has been done; otherwise do not copy, do not invert
if(g_cart_id==0) fprintf(stdout, "# [] copy smearing field -> g field\n");
memcpy((void*)(g_spinor_field[0]), (void*)(smearing_spinor_field[1]), 24*VOLUME*sizeof(double));
}
omp_set_num_threads(g_num_threads);
#pragma omp parallel private(threadid, _2_kappa, is, ix, iy, iix, ratime, retime) shared(key,g_read_source, smear_source, N_Jacobi, kappa_Jacobi, smearing_spinor_field, g_spinor_field, nthreads, convert_sign, VOLUME, VOL3, T, L5, isc, rotate_gamma_basis, g_cart_id) firstprivate(inv_param, gauge_param, ofs)
{
threadid = omp_get_thread_num();
if(threadid < nthreads) {
fprintf(stdout, "# [] proc%.2d thread%.2d starting source preparation\n", g_cart_id, threadid);
// smearing
if( ( !g_read_source || (g_read_source && smear_source ) ) && N_Jacobi > 0 ) {
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] smearing source with N_Jacobi=%d, kappa_Jacobi=%e\n", N_Jacobi, kappa_Jacobi);
Jacobi_Smearing_threaded(gauge_field_smeared, smearing_spinor_field[0], smearing_spinor_field[1], kappa_Jacobi, N_Jacobi, threadid, nthreads);
}
/***********************************************
* create the 5-dim. source field
***********************************************/
if(convert_sign == 0) {
spinor_4d_to_5d_threaded(smearing_spinor_field[0], smearing_spinor_field[0], threadid, nthreads);
} else if(convert_sign == 1 || convert_sign == -1) {
spinor_4d_to_5d_sign_threaded(smearing_spinor_field[0], smearing_spinor_field[0], convert_sign, threadid, nthreads);
}
for(is=0; is<L5; is++) {
for(it=threadid; it<T; it+=nthreads) {
memcpy((void*)(g_spinor_field[0]+_GSI(g_ipt_5d[is][it][0][0][0])), (void*)(smearing_spinor_field[0]+_GSI(g_ipt_5d[is][it][0][0][0])), VOL3*24*sizeof(double));
}
}
// reorder, multiply with g2
for(is=0; is<L5; is++) {
for(it=threadid; it<T; it+=nthreads) {
for(i3=0; i3<VOL3; i3++) {
ix = (is*T+it)*VOL3 + i3;
_fv_eq_zero(smearing_spinor_field[1]+_GSI(ix));
}}}
if(rotate_gamma_basis) {
for(it=threadid; it<T; it+=nthreads) {
for(i3=0; i3<VOL3; i3++) {
ix = it * VOL3 + i3;
iy = lexic2eot_5d(0, ix);
_fv_eq_gamma_ti_fv(smearing_spinor_field[1]+_GSI(iy), 2, smearing_spinor_field[0]+_GSI(ix));
}}
for(it=threadid; it<T; it+=nthreads) {
for(i3=0; i3<VOL3; i3++) {
ix = it * VOL3 + i3;
iy = lexic2eot_5d(L5-1, ix);
_fv_eq_gamma_ti_fv(smearing_spinor_field[1]+_GSI(iy), 2, smearing_spinor_field[0]+_GSI(ix+(L5-1)*VOLUME));
}}
} else {
for(it=threadid; it<T; it+=nthreads) {
for(i3=0; i3<VOL3; i3++) {
ix = it * VOL3 + i3;
iy = lexic2eot_5d(0, ix);
_fv_eq_fv(smearing_spinor_field[1]+_GSI(iy), smearing_spinor_field[0]+_GSI(ix));
}}
for(it=threadid; it<T; it+=nthreads) {
for(i3=0; i3<VOL3; i3++) {
ix = it * VOL3 + i3;
iy = lexic2eot_5d(L5-1, ix);
_fv_eq_fv(smearing_spinor_field[1]+_GSI(iy), smearing_spinor_field[0]+_GSI(ix+(L5-1)*VOLUME));
}}
}
fprintf(stdout, "# [] proc%.2d thread%.2d finished source preparation\n", g_cart_id, threadid);
} else if(threadid == g_num_threads-1 && dummy_flag > 0) { // else branch on threadid
fprintf(stdout, "# [] proc%.2d thread%.2d starting inversion for dummy_flag = %d\n", g_cart_id, threadid, dummy_flag);
/***********************************************
* perform the inversion
***********************************************/
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] starting inversion\n");
xchange_field_5d(g_spinor_field[0]);
memset(g_spinor_field[1], 0, (VOLUME+RAND)*L5*24*sizeof(double));
ratime = CLOCK;
#ifdef MPI
if(inv_param.inv_type == QUDA_BICGSTAB_INVERTER || inv_param.inv_type == QUDA_GCR_INVERTER) {
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] calling invertQuda\n");
invertQuda(g_spinor_field[1], g_spinor_field[0], &inv_param);
} else if(inv_param.inv_type == QUDA_CG_INVERTER) {
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] calling testCG\n");
testCG(g_spinor_field[1], g_spinor_field[0], &inv_param);
} else {
if(g_cart_id==0) fprintf(stderr, "# [invert_dw_quda] unrecognized inverter\n");
}
#else
invertQuda(g_spinor_field[1], g_spinor_field[0], &inv_param);
#endif
retime = CLOCK;
if(g_cart_id==0) {
fprintf(stdout, "# [invert_dw_quda] QUDA time: %e seconds\n", inv_param.secs);
fprintf(stdout, "# [invert_dw_quda] QUDA Gflops: %e\n", inv_param.gflops/inv_param.secs);
fprintf(stdout, "# [invert_dw_quda] wall time: %e seconds\n", retime-ratime);
fprintf(stdout, "# [invert_dw_quda] Device memory used:\n\tSpinor: %f GiB\n\tGauge: %f GiB\n",
inv_param.spinorGiB, gauge_param.gaugeGiB);
}
} // of if threadid
// wait till all threads are here
#pragma omp barrier
if(inv_param.mass_normalization == QUDA_KAPPA_NORMALIZATION) {
_2_kappa = 2. * g_kappa5d;
for(ix=threadid; ix<VOLUME*L5;ix+=g_num_threads) {
_fv_ti_eq_re(g_spinor_field[1]+_GSI(ix), _2_kappa );
}
}
#pragma omp barrier
// reorder, multiply with g2
for(is=0;is<L5;is++) {
for(ix=threadid; ix<VOLUME; ix+=g_num_threads) {
iy = lexic2eot_5d(is, ix);
iix = is*VOLUME + ix;
_fv_eq_fv(g_spinor_field[0]+_GSI(iix), g_spinor_field[1]+_GSI(iy));
}}
#pragma omp barrier
if(rotate_gamma_basis) {
for(ix=threadid; ix<VOLUME*L5; ix+=g_num_threads) {
_fv_eq_gamma_ti_fv(g_spinor_field[1]+_GSI(ix), 2, g_spinor_field[0]+_GSI(ix));
}
} else {
for(ix=threadid; ix<VOLUME*L5;ix+=g_num_threads) {
_fv_eq_fv(g_spinor_field[1]+_GSI(ix), g_spinor_field[0]+_GSI(ix));
}
}
if(g_cart_id==0 && threadid==g_num_threads-1) fprintf(stdout, "# [invert_dw_quda] inversion done in %e seconds\n", retime-ratime);
#pragma omp single
{
#ifdef MPI
xchange_field_5d(g_spinor_field[1]);
#endif
/***********************************************
* check residuum
***********************************************/
if(check_residuum && dummy_flag>0) {
// apply the Wilson Dirac operator in the gamma-basis defined in cvc_linalg,
// which uses the tmLQCD conventions (same as in contractions)
// without explicit boundary conditions
#ifdef MPI
xchange_field_5d(g_spinor_field[2]);
xchange_field_5d(g_spinor_field[1]);
#endif
memset(g_spinor_field[0], 0, 24*(VOLUME+RAND)*L5*sizeof(double));
//sprintf(filename, "%s.inverted.ascii.%.2d", source_filename, g_cart_id);
//ofs = fopen(filename, "w");
//printf_spinor_field_5d(g_spinor_field[1], ofs);
//fclose(ofs);
Q_DW_Wilson_phi(g_spinor_field[0], g_spinor_field[1]);
for(ix=0;ix<VOLUME*L5;ix++) {
_fv_mi_eq_fv(g_spinor_field[0]+_GSI(ix), g_spinor_field[2]+_GSI(ix));
}
spinor_scalar_product_re(&norm2, g_spinor_field[2], g_spinor_field[2], VOLUME*L5);
spinor_scalar_product_re(&norm, g_spinor_field[0], g_spinor_field[0], VOLUME*L5);
if(g_cart_id==0) fprintf(stdout, "\n# [invert_dw_quda] absolut residuum squared: %e; relative residuum %e\n", norm, sqrt(norm/norm2) );
}
if(dummy_flag>0) {
/***********************************************
* create 4-dim. propagator
***********************************************/
if(convert_sign == 0) {
spinor_5d_to_4d(g_spinor_field[1], g_spinor_field[1]);
} else if(convert_sign == -1 || convert_sign == +1) {
spinor_5d_to_4d_sign(g_spinor_field[1], g_spinor_field[1], convert_sign);
}
/***********************************************
* write the solution
***********************************************/
sprintf(filename, "%s.inverted", source_filename_write);
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] writing propagator to file %s\n", filename);
check_error(write_propagator(g_spinor_field[1], filename, 0, g_propagator_precision), "write_propagator", NULL, 22);
//sprintf(filename, "prop.ascii.4d.%.2d.%.2d.%.2d", isc, g_nproc, g_cart_id);
//ofs = fopen(filename, "w");
//printf_spinor_field(g_spinor_field[1], ofs);
//fclose(ofs);
}
if(check_residuum) memcpy(g_spinor_field[2], smearing_spinor_field[0], 24*VOLUME*L5*sizeof(double));
} // of omp single
} // of omp parallel region
if(dummy_flag > 0) strcpy(source_filename_write, source_filename);
dummy_flag++;
} // of loop on momenta
} // of isc
#if 0
// last inversion
{
memcpy(g_spinor_field[0], smearing_spinor_field[1], 24*VOLUME*L5*sizeof(double));
if(g_cart_id==0) fprintf(stdout, "# [] proc%.2d starting last inversion\n", g_cart_id);
/***********************************************
* perform the inversion
***********************************************/
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] starting inversion\n");
xchange_field_5d(g_spinor_field[0]);
memset(g_spinor_field[1], 0, (VOLUME+RAND)*L5*24*sizeof(double));
ratime = CLOCK;
#ifdef MPI
if(inv_param.inv_type == QUDA_BICGSTAB_INVERTER || inv_param.inv_type == QUDA_GCR_INVERTER) {
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] calling invertQuda\n");
invertQuda(g_spinor_field[1], g_spinor_field[0], &inv_param);
} else if(inv_param.inv_type == QUDA_CG_INVERTER) {
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] calling testCG\n");
testCG(g_spinor_field[1], g_spinor_field[0], &inv_param);
} else {
if(g_cart_id==0) fprintf(stderr, "# [invert_dw_quda] unrecognized inverter\n");
}
#else
invertQuda(g_spinor_field[1], g_spinor_field[0], &inv_param);
#endif
retime = CLOCK;
if(g_cart_id==0) {
fprintf(stdout, "# [invert_dw_quda] QUDA time: %e seconds\n", inv_param.secs);
fprintf(stdout, "# [invert_dw_quda] QUDA Gflops: %e\n", inv_param.gflops/inv_param.secs);
fprintf(stdout, "# [invert_dw_quda] wall time: %e seconds\n", retime-ratime);
fprintf(stdout, "# [invert_dw_quda] Device memory used:\n\tSpinor: %f GiB\n\tGauge: %f GiB\n",
inv_param.spinorGiB, gauge_param.gaugeGiB);
}
omp_set_num_threads(g_num_threads);
#pragma omp parallel private(threadid,_2_kappa,is,ix,iy,iix) shared(VOLUME,L5,g_kappa,g_spinor_field,g_num_threads)
{
threadid = omp_get_thread_num();
if(inv_param.mass_normalization == QUDA_KAPPA_NORMALIZATION) {
_2_kappa = 2. * g_kappa5d;
for(ix=threadid; ix<VOLUME*L5;ix+=g_num_threads) {
_fv_ti_eq_re(g_spinor_field[1]+_GSI(ix), _2_kappa );
}
}
#pragma omp barrier
// reorder, multiply with g2
for(is=0;is<L5;is++) {
for(ix=threadid; ix<VOLUME; ix+=g_num_threads) {
iy = lexic2eot_5d(is, ix);
iix = is*VOLUME + ix;
_fv_eq_fv(g_spinor_field[0]+_GSI(iix), g_spinor_field[1]+_GSI(iy));
}}
#pragma omp barrier
if(rotate_gamma_basis) {
for(ix=threadid; ix<VOLUME*L5; ix+=g_num_threads) {
_fv_eq_gamma_ti_fv(g_spinor_field[1]+_GSI(ix), 2, g_spinor_field[0]+_GSI(ix));
}
} else {
for(ix=threadid; ix<VOLUME*L5;ix+=g_num_threads) {
_fv_eq_fv(g_spinor_field[1]+_GSI(ix), g_spinor_field[0]+_GSI(ix));
}
}
} // end of parallel region
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] inversion done in %e seconds\n", retime-ratime);
#ifdef MPI
xchange_field_5d(g_spinor_field[1]);
#endif
/***********************************************
* check residuum
***********************************************/
if(check_residuum && dummy_flag>0) {
// apply the Wilson Dirac operator in the gamma-basis defined in cvc_linalg,
// which uses the tmLQCD conventions (same as in contractions)
// without explicit boundary conditions
#ifdef MPI
xchange_field_5d(g_spinor_field[2]);
#endif
memset(g_spinor_field[0], 0, 24*(VOLUME+RAND)*L5*sizeof(double));
//sprintf(filename, "%s.inverted.ascii.%.2d", source_filename, g_cart_id);
//ofs = fopen(filename, "w");
//printf_spinor_field_5d(g_spinor_field[1], ofs);
//fclose(ofs);
Q_DW_Wilson_phi(g_spinor_field[0], g_spinor_field[1]);
for(ix=0;ix<VOLUME*L5;ix++) {
_fv_mi_eq_fv(g_spinor_field[0]+_GSI(ix), g_spinor_field[2]+_GSI(ix));
}
spinor_scalar_product_re(&norm, g_spinor_field[0], g_spinor_field[0], VOLUME*L5);
spinor_scalar_product_re(&norm2, g_spinor_field[2], g_spinor_field[2], VOLUME*L5);
if(g_cart_id==0) fprintf(stdout, "\n# [invert_dw_quda] absolut residuum squared: %e; relative residuum %e\n", norm, sqrt(norm/norm2) );
}
/***********************************************
* create 4-dim. propagator
***********************************************/
if(convert_sign == 0) {
spinor_5d_to_4d(g_spinor_field[1], g_spinor_field[1]);
} else if(convert_sign == -1 || convert_sign == +1) {
spinor_5d_to_4d_sign(g_spinor_field[1], g_spinor_field[1], convert_sign);
}
/***********************************************
* write the solution
***********************************************/
sprintf(filename, "%s.inverted", source_filename_write);
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] writing propagator to file %s\n", filename);
check_error(write_propagator(g_spinor_field[1], filename, 0, g_propagator_precision), "write_propagator", NULL, 22);
//sprintf(filename, "prop.ascii.4d.%.2d.%.2d.%.2d", isc, g_nproc, g_cart_id);
//ofs = fopen(filename, "w");
//printf_spinor_field(g_spinor_field[1], ofs);
//fclose(ofs);
} // of last inversion
#endif // of if 0
/***********************************************
* free the allocated memory, finalize
***********************************************/
#ifdef HAVE_QUDA
// finalize the QUDA library
if(g_cart_id==0) fprintf(stdout, "# [invert_dw_quda] finalizing quda\n");
#ifdef MPI
freeGaugeQuda();
#endif
endQuda();
#endif
if(g_gauge_field != NULL) free(g_gauge_field);
if(gauge_field_smeared != NULL) free(gauge_field_smeared);
if(no_fields>0) {
if(g_spinor_field!=NULL) {
for(i=0; i<no_fields; i++) if(g_spinor_field[i]!=NULL) free(g_spinor_field[i]);
free(g_spinor_field);
}
}
free_geometry();
if(g_source_momentum_set && full_orbit) {
finalize_q_orbits(&qlatt_id, &qlatt_count, &qlatt_list, &qlatt_rep);
if(qlatt_map != NULL) {
free(qlatt_map[0]);
free(qlatt_map);
}
}
if(source_momentum != NULL) free(source_momentum);
if(lck != NULL) free(lck);
#ifdef MPI
#ifdef HAVE_QUDA
endCommsQuda();
#else
MPI_Finalize();
#endif
#endif
if(g_cart_id==0) {
g_the_time = time(NULL);
fprintf(stdout, "\n# [invert_dw_quda] %s# [invert_dw_quda] end of run\n", ctime(&g_the_time));
fprintf(stderr, "\n# [invert_dw_quda] %s# [invert_dw_quda] end of run\n", ctime(&g_the_time));
}
return(0);
}
int main(int argc, char **argv) {
int c, i, mu, nu;
int count = 0;
int filename_set = 0;
int dims[4] = {0,0,0,0};
int l_LX_at, l_LXstart_at;
int x0, x1, x2, x3, ix, iix;
int sid, status;
double *disc = (double*)NULL;
double *data = (double*)NULL;
double *bias = (double*)NULL;
double *work = (double*)NULL;
double q[4], fnorm;
int verbose = 0;
char filename[100], contype[200];
double ratime, retime;
double plaq;
double spinor1[24], spinor2[24], U_[18];
complex w, w1, *cp1, *cp2, *cp3, *cp4;
fftw_complex *in=(fftw_complex*)NULL;
#ifdef MPI
fftwnd_mpi_plan plan_p, plan_m;
#else
fftwnd_plan plan_p, plan_m;
#endif
#ifdef MPI
MPI_Init(&argc, &argv);
#endif
while ((c = getopt(argc, argv, "h?vf:")) != -1) {
switch (c) {
case 'v':
verbose = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'h':
case '?':
default:
usage();
break;
}
}
/* set the default values */
if(filename_set==0) strcpy(filename, "cvc.input");
fprintf(stdout, "# Reading input from file %s\n", filename);
read_input_parser(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stdout, "T and L's must be set\n");
usage();
}
if(g_kappa <= 0.) {
if(g_proc_id==0) fprintf(stdout, "kappa should be > 0.\n");
usage();
}
if(hpe_order%2==0 && hpe_order>0) {
if(g_proc_id==0) fprintf(stdout, "HPE order should be odd\n");
usage();
}
fprintf(stdout, "\n**************************************************\n"\
"* vp_disc_hpe_stoch_subtract with HPE of order %d\n"\
"**************************************************\n\n", hpe_order);
/*********************************
* initialize MPI parameters
*********************************/
mpi_init(argc, argv);
/* initialize fftw */
dims[0]=T_global; dims[1]=LX; dims[2]=LY; dims[3]=LZ;
#ifdef MPI
plan_p = fftwnd_mpi_create_plan(g_cart_grid, 4, dims, FFTW_BACKWARD, FFTW_MEASURE);
plan_m = fftwnd_mpi_create_plan(g_cart_grid, 4, dims, FFTW_FORWARD, FFTW_MEASURE);
fftwnd_mpi_local_sizes(plan_p, &T, &Tstart, &l_LX_at, &l_LXstart_at, &FFTW_LOC_VOLUME);
#else
plan_p = fftwnd_create_plan(4, dims, FFTW_BACKWARD, FFTW_MEASURE | FFTW_IN_PLACE);
plan_m = fftwnd_create_plan(4, dims, FFTW_FORWARD, FFTW_MEASURE | FFTW_IN_PLACE);
T = T_global;
Tstart = 0;
l_LX_at = LX;
l_LXstart_at = 0;
FFTW_LOC_VOLUME = T*LX*LY*LZ;
#endif
fprintf(stdout, "# [%2d] fftw parameters:\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n"\
"# [%2d] l_LX_at = %3d\n"\
"# [%2d] l_LXstart_at = %3d\n"\
"# [%2d] FFTW_LOC_VOLUME = %3d\n",
g_cart_id, g_cart_id, T, g_cart_id, Tstart, g_cart_id, l_LX_at,
g_cart_id, l_LXstart_at, g_cart_id, FFTW_LOC_VOLUME);
#ifdef MPI
if(T==0) {
fprintf(stderr, "[%2d] local T is zero; exit\n", g_cart_id);
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(101);
}
#endif
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(102);
}
geometry();
/************************************************
* read the gauge field, measure the plaquette
************************************************/
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "# reading gauge field from file %s\n", filename);
read_lime_gauge_field_doubleprec(filename);
xchange_gauge();
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "# measured plaquette value: %25.16e\n", plaq);
/****************************************
* allocate memory for the spinor fields
****************************************/
no_fields = 3;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUMEPLUSRAND);
/****************************************
* allocate memory for the contractions
****************************************/
disc = (double*)calloc(16*VOLUME, sizeof(double));
if( disc == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for disc\n");
# ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
# endif
exit(103);
}
data = (double*)calloc(16*VOLUME, sizeof(double));
if( data== (double*)NULL ) {
fprintf(stderr, "could not allocate memory for data\n");
# ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
# endif
exit(104);
}
for(ix=0; ix<16*VOLUME; ix++) data[ix] = 0.;
work = (double*)calloc(32*VOLUME, sizeof(double));
if( work == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for work\n");
# ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
# endif
exit(105);
}
bias = (double*)calloc(32*VOLUME, sizeof(double));
if( bias == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for bias\n");
# ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
# endif
exit(106);
}
for(ix=0; ix<32*VOLUME; ix++) bias[ix] = 0.;
/****************************************
* prepare Fourier transformation arrays
****************************************/
in = (fftw_complex*)malloc(FFTW_LOC_VOLUME*sizeof(fftw_complex));
if(in==(fftw_complex*)NULL) {
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(107);
}
/***********************************************
* start loop on source id.s
***********************************************/
for(sid=g_sourceid; sid<=g_sourceid2; sid+=g_sourceid_step) {
for(ix=0; ix<16*VOLUME; ix++) disc[ix] = 0.;
/* read the new propagator */
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(format==0) {
sprintf(filename, "%s.%.4d.%.2d.inverted", filename_prefix, Nconf, sid);
if(read_lime_spinor(g_spinor_field[2], filename, 0) != 0) break;
}
else if(format==1) {
sprintf(filename, "%s.%.4d.%.5d.inverted", filename_prefix, Nconf, sid);
if(read_cmi(g_spinor_field[2], filename) != 0) break;
}
xchange_field(g_spinor_field[2]);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# time to read prop.: %e seconds\n", retime-ratime);
count++;
/************************************************
* calculate the source: apply Q_phi_tbc
************************************************/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
Q_phi_tbc(g_spinor_field[0], g_spinor_field[2]);
xchange_field(g_spinor_field[0]);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# time to calculate source: %e seconds\n", retime-ratime);
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
/************************************************
* HPE: apply BH to order hpe_order+2
************************************************/
if(hpe_order>0) {
BHn(g_spinor_field[1], g_spinor_field[2], hpe_order+2);
} else {
memcpy((void*)g_spinor_field[1], (void*)g_spinor_field[2], 24*VOLUMEPLUSRAND*sizeof(double));
}
/************************************************
* add new contractions to (existing) disc
************************************************/
for(mu=0; mu<4; mu++) {
iix = _GWI(mu,0,VOLUME);
for(ix=0; ix<VOLUME; ix++) {
_cm_eq_cm_ti_co(U_, &g_gauge_field[_GGI(ix, mu)], &co_phase_up[mu]);
_fv_eq_cm_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(g_iup[ix][mu])]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_mi_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(ix)], spinor2);
disc[iix ] = -0.5 * w.re;
disc[iix+1] = -0.5 * w.im;
data[iix ] -= 0.5 * w.re;
data[iix+1] -= 0.5 * w.im;
_fv_eq_cm_dag_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(ix)]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_pl_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(g_iup[ix][mu])], spinor2);
disc[iix ] -= 0.5 * w.re;
disc[iix+1] -= 0.5 * w.im;
data[iix ] -= 0.5 * w.re;
data[iix+1] -= 0.5 * w.im;
iix += 2;
}
}
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# time to contract cvc: %e seconds\n", retime-ratime);
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
for(mu=0; mu<4; mu++) {
memcpy((void*)in, (void*)(disc+_GWI(mu,0,VOLUME)), 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_m, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_m, in, NULL);
#endif
memcpy((void*)(disc+_GWI(4+mu,0,VOLUME)), (void*)in, 2*VOLUME*sizeof(double));
memcpy((void*)in, (void*)(disc+_GWI(mu,0,VOLUME)), 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_p, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_p, in, NULL);
#endif
memcpy((void*)(disc+_GWI(mu,0,VOLUME)), (void*)in, 2*VOLUME*sizeof(double));
} /* of mu =0 ,..., 3*/
for(mu=0; mu<4; mu++) {
for(nu=0; nu<4; nu++) {
cp1 = (complex*)(disc+_GWI(mu, 0,VOLUME));
cp2 = (complex*)(disc+_GWI(4+nu, 0,VOLUME));
cp3 = (complex*)(bias+_GWI(4*mu+nu,0,VOLUME));
for(ix=0; ix<VOLUME; ix++) {
_co_eq_co_ti_co(&w1, cp1, cp2);
cp3->re += w1.re;
cp3->im += w1.im;
cp1++; cp2++; cp3++;
}
}}
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# time for Fourier trafo and adding to bias: %e seconds\n",
retime-ratime);
} /* of loop on sid */
/************************************************
* save results for count == Nsave
************************************************/
if(count==Nsave) {
if(g_cart_id == 0) fprintf(stdout, "# save results for count = %d\n", count);
for(ix=0; ix<16*VOLUME; ix++) disc[ix] = 0.;
if(hpe_order>0) {
sprintf(filename, "vp_disc_hpe%.2d_loops_X.%.4d", hpe_order, Nconf);
if(g_cart_id==0) fprintf(stdout, "# reading loop part from file %s\n", filename);
if( (status = read_lime_contraction(disc, filename, 4, 0)) != 0 ) {
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(108);
}
}
/* save the result in position space */
fnorm = 1. / ( (double)count * g_prop_normsqr );
if(g_cart_id==0) fprintf(stdout, "# X-fnorm = %e\n", fnorm);
for(mu=0; mu<4; mu++) {
for(ix=0; ix<VOLUME; ix++) {
work[_GWI(mu,ix,VOLUME) ] = data[_GWI(mu,ix,VOLUME) ] * fnorm + disc[_GWI(mu,ix,VOLUME) ];
work[_GWI(mu,ix,VOLUME)+1] = data[_GWI(mu,ix,VOLUME)+1] * fnorm + disc[_GWI(mu,ix,VOLUME)+1];
}
}
sprintf(filename, "vp_disc_hpe%.2d_subtracted_X.%.4d.%.4d", hpe_order, Nconf, count);
sprintf(contype, "cvc-disc-hpe-loops-%2d-to-%2d-stoch-subtracted-X", hpe_order, hpe_order+2);
write_lime_contraction(work, filename, 64, 4, contype, Nconf, count);
/*
sprintf(filename, "vp_disc_hpe%.2d_subtracted_X.%.4d.%.4d.ascii", hpe_order, Nconf, count);
write_contraction(work, NULL, filename, 4, 2, 0);
*/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
for(mu=0; mu<4; mu++) {
memcpy((void*)in, (void*)(data+_GWI(mu,0,VOLUME)), 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_m, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_m, in, NULL);
#endif
memcpy((void*)(data+_GWI(4+mu,0,VOLUME)), (void*)in, 2*VOLUME*sizeof(double));
memcpy((void*)in, (void*)(data+_GWI(mu,0,VOLUME)), 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_p, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_p, in, NULL);
#endif
memcpy((void*)(data+_GWI(mu,0,VOLUME)), (void*)in, 2*VOLUME*sizeof(double));
}
fnorm = 1. / ( g_prop_normsqr*g_prop_normsqr * (double)count * (double)(count-1) );
if(g_cart_id==0) fprintf(stdout, "# P-fnorm for purely stochastic part = %e\n", fnorm);
for(mu=0; mu<4; mu++) {
for(nu=0; nu<4; nu++) {
cp1 = (complex*)(data+_GWI(mu, 0,VOLUME));
cp2 = (complex*)(data+_GWI(4+nu, 0,VOLUME));
cp3 = (complex*)(work+_GWI(4*mu+nu,0,VOLUME));
cp4 = (complex*)(bias+_GWI(4*mu+nu,0,VOLUME));
for(ix=0; ix<VOLUME; ix++) {
_co_eq_co_ti_co(&w1, cp1, cp2);
cp3->re = ( w1.re - cp4->re ) * fnorm;
cp3->im = ( w1.im - cp4->im ) * fnorm;
cp1++; cp2++; cp3++; cp4++;
}
}}
for(mu=0; mu<4; mu++) {
memcpy((void*)in, (void*)(disc+_GWI(mu,0,VOLUME)), 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_m, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_m, in, NULL);
#endif
memcpy((void*)(disc+_GWI(4+mu,0,VOLUME)), (void*)in, 2*VOLUME*sizeof(double));
memcpy((void*)in, (void*)(disc+_GWI(mu,0,VOLUME)), 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_p, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_p, in, NULL);
#endif
memcpy((void*)(disc+_GWI(mu,0,VOLUME)), (void*)in, 2*VOLUME*sizeof(double));
}
fnorm = 1. / ( g_prop_normsqr * (double)count );
if(g_cart_id==0) fprintf(stdout, "# P-fnorm for mixed stochastic-loop part = %e\n", fnorm);
for(mu=0; mu<4; mu++) {
for(nu=0; nu<4; nu++) {
cp1 = (complex*)(data + _GWI(mu, 0,VOLUME));
cp2 = (complex*)(disc + _GWI(4+nu, 0,VOLUME));
cp3 = (complex*)(work + _GWI(4*mu+nu,0,VOLUME));
for(ix=0; ix<VOLUME; ix++) {
_co_eq_co_ti_co(&w1, cp1, cp2);
cp3->re += w1.re * fnorm;
cp3->im += w1.im * fnorm;
cp1++; cp2++; cp3++;
}
cp1 = (complex*)(disc + _GWI(mu, 0,VOLUME));
cp2 = (complex*)(data + _GWI(4+nu, 0,VOLUME));
cp3 = (complex*)(work + _GWI(4*mu+nu,0,VOLUME));
for(ix=0; ix<VOLUME; ix++) {
_co_eq_co_ti_co(&w1, cp1, cp2);
cp3->re += w1.re * fnorm;
cp3->im += w1.im * fnorm;
cp1++; cp2++; cp3++;
}
}}
fnorm = 1. / ( (double)T_global * (double)(LX*LY*LZ) );
if(g_cart_id==0) fprintf(stdout, "# P-fnorm for final estimator (1/T/V) = %e\n", fnorm);
for(mu=0; mu<4; mu++) {
for(nu=0; nu<4; nu++) {
cp1 = (complex*)(disc + _GWI(mu, 0,VOLUME));
cp2 = (complex*)(disc + _GWI(4+nu, 0,VOLUME));
cp3 = (complex*)(work + _GWI(4*mu+nu,0,VOLUME));
for(x0=0; x0<T; x0++) {
q[0] = (double)(x0+Tstart) / (double)T_global;
for(x1=0; x1<LX; x1++) {
q[1] = (double)x1 / (double)LX;
for(x2=0; x2<LY; x2++) {
q[2] = (double)x2 / (double)LY;
for(x3=0; x3<LZ; x3++) {
q[3] = (double)x3 / (double)LZ;
ix = g_ipt[x0][x1][x2][x3];
w.re = cos(M_PI * ( q[mu] - q[nu] ) );
w.im = sin(M_PI * ( q[mu] - q[nu] ) );
_co_eq_co_ti_co(&w1, cp1, cp2);
cp3->re += w1.re;
cp3->im += w1.im;
_co_eq_co_ti_co(&w1, cp3, &w);
cp3->re = w1.re * fnorm;
cp3->im = w1.im * fnorm;
cp1++; cp2++; cp3++;
}}}}
}}
sprintf(filename, "vp_disc_hpe%.2d_subtracted_P.%.4d.%.4d", hpe_order, Nconf, count);
sprintf(contype, "cvc-disc-hpe-loops-%2d-to-%2d-stoch-subtracted-P", hpe_order, hpe_order+2);
write_lime_contraction(work, filename, 64, 16, contype, Nconf, count);
/*
sprintf(filename, "vp_disc_hpe%.2d_subtracted_P.%.4d.%.4d.ascii", hpe_order, Nconf, count);
write_contraction(work, NULL, filename, 16, 2, 0);
*/
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# time to save cvc results: %e seconds\n", retime-ratime);
} /* of if count == Nsave */
/***********************************************
* free the allocated memory, finalize
***********************************************/
free(g_gauge_field);
for(i=0; i<no_fields; i++) free(g_spinor_field[i]);
free(g_spinor_field);
free_geometry();
fftw_free(in);
free(disc);
free(bias);
free(data);
free(work);
#ifdef MPI
fftwnd_mpi_destroy_plan(plan_p);
fftwnd_mpi_destroy_plan(plan_m);
MPI_Finalize();
#else
fftwnd_destroy_plan(plan_p);
fftwnd_destroy_plan(plan_m);
#endif
return(0);
}
int main(int argc, char **argv) {
int c, i, mu, status;
int ispin, icol, isc;
int n_c = 3;
int n_s = 4;
int count = 0;
int filename_set = 0;
int dims[4] = {0,0,0,0};
int l_LX_at, l_LXstart_at;
int x0, x1, x2, x3, ix, iix, iy;
int sl0, sl1, sl2, sl3, have_source_flag=0;
int source_proc_coords[4], lsl0, lsl1, lsl2, lsl3, source_proc_id;
int check_residuum = 0;
unsigned int VOL3;
int do_gt = 0;
int full_orbit = 0;
char filename[200], source_filename[200];
double ratime, retime;
double plaq_r=0., plaq_m=0., norm, norm2;
// double spinor1[24], spinor2[24];
double *gauge_qdp[4], *gauge_field_timeslice=NULL, *gauge_field_smeared=NULL;
double _1_2_kappa, _2_kappa, phase;
FILE *ofs;
int mu_trans[4] = {3, 0, 1, 2};
int threadid, nthreads;
int timeslice;
char rng_file_in[100], rng_file_out[100];
int *source_momentum=NULL;
int source_momentum_class = -1;
int source_momentum_no = 0;
int source_momentum_runs = 1;
int imom;
/************************************************/
int qlatt_nclass;
int *qlatt_id=NULL, *qlatt_count=NULL, **qlatt_rep=NULL, **qlatt_map=NULL;
double **qlatt_list=NULL;
/************************************************/
/***********************************************
* QUDA parameters
***********************************************/
QudaPrecision cpu_prec = QUDA_DOUBLE_PRECISION;
QudaPrecision cuda_prec = QUDA_DOUBLE_PRECISION;
QudaPrecision cuda_prec_sloppy = QUDA_DOUBLE_PRECISION;
QudaGaugeParam gauge_param = newQudaGaugeParam();
QudaInvertParam inv_param = newQudaInvertParam();
#ifdef MPI
MPI_Init(&argc, &argv);
#endif
while ((c = getopt(argc, argv, "och?vgf:p:")) != -1) {
switch (c) {
case 'v':
g_verbose = 1;
break;
case 'g':
do_gt = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'c':
check_residuum = 1;
fprintf(stdout, "# [invert_quda] will check residuum again\n");
break;
case 'p':
n_c = atoi(optarg);
fprintf(stdout, "# [invert_quda] will use number of colors = %d\n", n_c);
break;
case 'o':
full_orbit = 1;
fprintf(stdout, "# [invert_quda] will invert for full orbit, if source momentum set\n");
break;
case 'h':
case '?':
default:
usage();
break;
}
}
// get the time stamp
g_the_time = time(NULL);
/**************************************
* set the default values, read input
**************************************/
if(filename_set==0) strcpy(filename, "cvc.input");
if(g_proc_id==0) fprintf(stdout, "# Reading input from file %s\n", filename);
read_input_parser(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stderr, "[invert_quda] Error, T and L's must be set\n");
usage();
}
if(g_kappa == 0.) {
if(g_proc_id==0) fprintf(stderr, "[invert_quda] Error, kappa should be > 0.n");
usage();
}
// set number of openmp threads
#ifdef OPENMP
omp_set_num_threads(g_num_threads);
#else
fprintf(stdout, "[invert_quda_cg] Warning, resetting global number of threads to 1\n");
g_num_threads = 1;
#endif
/* initialize MPI parameters */
mpi_init(argc, argv);
// the volume of a timeslice
VOL3 = LX*LY*LZ;
fprintf(stdout, "# [%2d] parameters:\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n",\
g_cart_id, g_cart_id, T, g_cart_id, Tstart);
#ifdef MPI
if(T==0) {
fprintf(stderr, "[%2d] local T is zero; exit\n", g_cart_id);
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(2);
}
#endif
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(1);
}
geometry();
/**************************************
* initialize the QUDA library
**************************************/
fprintf(stdout, "# [invert_quda] initializing quda\n");
initQuda(g_gpu_device_number);
/**************************************
* prepare the gauge field
**************************************/
// read the gauge field from file
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
if(strcmp( gaugefilename_prefix, "identity")==0 ) {
if(g_cart_id==0) fprintf(stdout, "# [invert_quda] Setting up unit gauge field\n");
for(ix=0;ix<VOLUME; ix++) {
for(mu=0;mu<4;mu++) {
_cm_eq_id(g_gauge_field+_GGI(ix,mu));
}
}
} else {
if(g_gauge_file_format == 0) {
// ILDG
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "# Reading gauge field from file %s\n", filename);
status = read_lime_gauge_field_doubleprec(filename);
} else if(g_gauge_file_format == 1) {
// NERSC
sprintf(filename, "%s.%.5d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "# Reading gauge field from file %s\n", filename);
status = read_nersc_gauge_field(g_gauge_field, filename, &plaq_r);
}
if(status != 0) {
fprintf(stderr, "[invert_quda] Error, could not read gauge field");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 12);
MPI_Finalize();
#endif
exit(12);
}
}
#ifdef MPI
xchange_gauge();
#endif
// measure the plaquette
plaquette(&plaq_m);
if(g_cart_id==0) fprintf(stdout, "# Measured plaquette value: %25.16e\n", plaq_m);
if(g_cart_id==0) fprintf(stdout, "# Read plaquette value : %25.16e\n", plaq_r);
// allocate the smeared / qdp ordered gauge field
alloc_gauge_field(&gauge_field_smeared, VOLUME);
for(i=0;i<4;i++) {
gauge_qdp[i] = gauge_field_smeared + i*18*VOLUME;
}
// transcribe the gauge field
#ifdef OPENMP
omp_set_num_threads(g_num_threads);
#pragma omp parallel for private(ix,iy,mu)
#endif
for(ix=0;ix<VOLUME;ix++) {
iy = g_lexic2eot[ix];
for(mu=0;mu<4;mu++) {
_cm_eq_cm(gauge_qdp[mu_trans[mu]]+18*iy, g_gauge_field+_GGI(ix,mu));
}
}
// multiply timeslice T-1 with factor of -1 (antiperiodic boundary condition)
#ifdef OPENMP
omp_set_num_threads(g_num_threads);
#pragma omp parallel for private(ix,iy)
#endif
for(ix=0;ix<VOL3;ix++) {
iix = (T-1)*VOL3 + ix;
iy = g_lexic2eot[iix];
_cm_ti_eq_re(gauge_qdp[mu_trans[0]]+18*iy, -1.);
}
// QUDA gauge parameters
gauge_param.X[0] = LX_global;
gauge_param.X[1] = LY_global;
gauge_param.X[2] = LZ_global;
gauge_param.X[3] = T_global;
gauge_param.anisotropy = 1.0;
gauge_param.type = QUDA_WILSON_LINKS;
gauge_param.gauge_order = QUDA_QDP_GAUGE_ORDER;
gauge_param.t_boundary = QUDA_ANTI_PERIODIC_T;
gauge_param.cpu_prec = cpu_prec;
gauge_param.cuda_prec = cuda_prec;
gauge_param.reconstruct = QUDA_RECONSTRUCT_12;
gauge_param.cuda_prec_sloppy = cuda_prec_sloppy;
gauge_param.reconstruct_sloppy = QUDA_RECONSTRUCT_12;
gauge_param.gauge_fix = QUDA_GAUGE_FIXED_NO;
gauge_param.ga_pad = 0;
// load the gauge field
fprintf(stdout, "# [invert_quda] loading gauge field\n");
loadGaugeQuda((void*)gauge_qdp, &gauge_param);
gauge_qdp[0] = NULL;
gauge_qdp[1] = NULL;
gauge_qdp[2] = NULL;
gauge_qdp[3] = NULL;
/*********************************************
* APE smear the gauge field
*********************************************/
memcpy(gauge_field_smeared, g_gauge_field, 72*VOLUME*sizeof(double));
if(N_ape>0) {
fprintf(stdout, "# [invert_quda] APE smearing gauge field with paramters N_APE=%d, alpha_APE=%e\n", N_ape, alpha_ape);
#ifdef OPENMP
APE_Smearing_Step_threads(gauge_field_smeared, N_ape, alpha_ape);
#else
for(i=0; i<N_ape; i++) {
APE_Smearing_Step(gauge_field_smeared, alpha_ape);
}
#endif
}
/* allocate memory for the spinor fields */
no_fields = 3;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUMEPLUSRAND);
/* the source locaton */
sl0 = g_source_location / (LX_global*LY_global*LZ);
sl1 = ( g_source_location % (LX_global*LY_global*LZ) ) / ( LY_global*LZ);
sl2 = ( g_source_location % ( LY_global*LZ) ) / ( LZ);
sl3 = g_source_location % LZ;
if(g_cart_id==0) fprintf(stdout, "# [invert_quda] global sl = (%d, %d, %d, %d)\n", sl0, sl1, sl2, sl3);
source_proc_coords[0] = sl0 / T;
source_proc_coords[1] = sl1 / LX;
source_proc_coords[2] = sl2 / LY;
source_proc_coords[3] = sl3 / LZ;
#ifdef MPI
MPI_Cart_rank(g_cart_grid, source_proc_coords, &source_proc_id);
#else
source_proc_id = 0;
#endif
have_source_flag = source_proc_id == g_cart_id;
lsl0 = sl0 % T;
lsl1 = sl1 % LX;
lsl2 = sl2 % LY;
lsl3 = sl3 % LZ;
if(have_source_flag) {
fprintf(stdout, "# [invert_quda] process %d has the source at (%d, %d, %d, %d)\n", g_cart_id, lsl0, lsl1, lsl2, lsl3);
}
// QUDA inverter parameters
inv_param.dslash_type = QUDA_WILSON_DSLASH;
// inv_param.inv_type = QUDA_BICGSTAB_INVERTER;
inv_param.inv_type = QUDA_CG_INVERTER;
inv_param.kappa = g_kappa;
inv_param.tol = solver_precision;
inv_param.maxiter = niter_max;
inv_param.reliable_delta = reliable_delta;
inv_param.solution_type = QUDA_MAT_SOLUTION;
// inv_param.solve_type = QUDA_DIRECT_PC_SOLVE;
inv_param.solve_type = QUDA_NORMEQ_PC_SOLVE;
inv_param.matpc_type = QUDA_MATPC_EVEN_EVEN; // QUDA_MATPC_EVEN_EVEN;
inv_param.dagger = QUDA_DAG_NO;
inv_param.mass_normalization = QUDA_KAPPA_NORMALIZATION; //;QUDA_MASS_NORMALIZATION;
inv_param.cpu_prec = cpu_prec;
inv_param.cuda_prec = cuda_prec;
inv_param.cuda_prec_sloppy = cuda_prec_sloppy;
inv_param.preserve_source = QUDA_PRESERVE_SOURCE_NO;
inv_param.dirac_order = QUDA_DIRAC_ORDER;
inv_param.sp_pad = 0;
inv_param.cl_pad = 0;
inv_param.verbosity = QUDA_VERBOSE;
// write initial rng state to file
if(g_source_type==2 && g_coherent_source==2) {
sprintf(rng_file_out, "%s.0", g_rng_filename);
if( init_rng_stat_file (g_seed, rng_file_out) != 0 ) {
fprintf(stderr, "[invert_quda] Error, could not write rng status\n");
exit(210);
}
} else if(g_source_type==3 || g_source_type==4) {
if( init_rng_state(g_seed, &g_rng_state) != 0 ) {
fprintf(stderr, "[invert_quda] Error, could initialize rng state\n");
exit(211);
}
}
// check the source momenta
if(g_source_momentum_set) {
source_momentum = (int*)malloc(3*sizeof(int));
if(g_source_momentum[0]<0) g_source_momentum[0] += LX;
if(g_source_momentum[1]<0) g_source_momentum[1] += LY;
if(g_source_momentum[2]<0) g_source_momentum[2] += LZ;
fprintf(stdout, "# [invert_quda] using final source momentum ( %d, %d, %d )\n", g_source_momentum[0], g_source_momentum[1], g_source_momentum[2]);
if(full_orbit) {
status = make_qcont_orbits_3d_parity_avg( &qlatt_id, &qlatt_count, &qlatt_list, &qlatt_nclass, &qlatt_rep, &qlatt_map);
if(status != 0) {
fprintf(stderr, "\n[invert_quda] Error while creating O_3-lists\n");
exit(4);
}
source_momentum_class = qlatt_id[g_ipt[0][g_source_momentum[0]][g_source_momentum[1]][g_source_momentum[2]]];
source_momentum_no = qlatt_count[source_momentum_class];
source_momentum_runs = source_momentum_class==0 ? 1 : source_momentum_no + 1;
fprintf(stdout, "# [] source momentum belongs to class %d with %d members, which means %d runs\n",
source_momentum_class, source_momentum_no, source_momentum_runs);
}
}
/***********************************************
* loop on spin-color-index
***********************************************/
for(isc=g_source_index[0]; isc<=g_source_index[1]; isc++) {
ispin = isc / n_c;
icol = isc % n_c;
for(imom=0; imom<source_momentum_runs; imom++) {
/***********************************************
* set source momentum
***********************************************/
if(g_source_momentum_set) {
if(imom == 0) {
if(full_orbit) {
source_momentum[0] = 0;
source_momentum[1] = 0;
source_momentum[2] = 0;
} else {
source_momentum[0] = g_source_momentum[0];
source_momentum[1] = g_source_momentum[1];
source_momentum[2] = g_source_momentum[2];
}
} else {
source_momentum[0] = qlatt_map[source_momentum_class][imom-1] / (LY*LZ);
source_momentum[1] = ( qlatt_map[source_momentum_class][imom-1] % (LY*LZ) ) / LZ;
source_momentum[2] = qlatt_map[source_momentum_class][imom-1] % LZ;
}
fprintf(stdout, "# [] run no. %d, source momentum (%d, %d, %d)\n", imom, source_momentum[0], source_momentum[1], source_momentum[2]);
}
/***********************************************
* prepare the souce
***********************************************/
if(g_read_source == 0) { // create source
switch(g_source_type) {
case 0:
// point source
fprintf(stdout, "# [invert_quda] Creating point source\n");
for(ix=0;ix<24*VOLUME;ix++) g_spinor_field[0][ix] = 0.;
if(have_source_flag) {
if(g_source_momentum_set) {
phase = 2*M_PI*( source_momentum[0]*lsl1/(double)LX + source_momentum[1]*lsl2/(double)LY + source_momentum[2]*lsl3/(double)LZ );
g_spinor_field[0][_GSI(g_source_location) + 2*(n_c*ispin+icol) ] = cos(phase);
g_spinor_field[0][_GSI(g_source_location) + 2*(n_c*ispin+icol)+1] = sin(phase);
} else {
g_spinor_field[0][_GSI(g_source_location) + 2*(n_c*ispin+icol) ] = 1.;
}
}
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d.qx%.2dqy%.2dqz%.2d",
filename_prefix, Nconf, sl0, sl1, sl2, sl3, n_c*ispin+icol, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d", filename_prefix, Nconf, sl0, sl1, sl2, sl3, n_c*ispin+icol);
}
break;
case 2:
// timeslice source
if(g_coherent_source==1) {
fprintf(stdout, "# [invert_quda] Creating coherent timeslice source\n");
status = prepare_coherent_timeslice_source(g_spinor_field[0], gauge_field_smeared, g_coherent_source_base, g_coherent_source_delta, VOLUME, g_rng_filename, NULL);
if(status != 0) {
fprintf(stderr, "[invert_quda] Error from prepare source, status was %d\n", status);
exit(123);
}
timeslice = g_coherent_source_base;
} else {
if(g_coherent_source==2) {
strcpy(rng_file_in, rng_file_out);
if(isc == g_source_index[1]) { strcpy(rng_file_out, g_rng_filename); }
else { sprintf(rng_file_out, "%s.%d", g_rng_filename, isc+1); }
timeslice = (g_coherent_source_base+isc*g_coherent_source_delta)%T_global;
fprintf(stdout, "# [invert_quda] Creating timeslice source\n");
status = prepare_timeslice_source(g_spinor_field[0], gauge_field_smeared, timeslice, VOLUME, rng_file_in, rng_file_out);
if(status != 0) {
fprintf(stderr, "[invert_quda] Error from prepare source, status was %d\n", status);
exit(123);
}
} else {
fprintf(stdout, "# [invert_quda] Creating timeslice source\n");
status = prepare_timeslice_source(g_spinor_field[0], gauge_field_smeared, g_source_timeslice, VOLUME, g_rng_filename, g_rng_filename);
if(status != 0) {
fprintf(stderr, "[invert_quda] Error from prepare source, status was %d\n", status);
exit(124);
}
timeslice = g_source_timeslice;
}
}
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.%.2d.%.5d.qx%.2dqy%.2dqz%.2d", filename_prefix, Nconf,
timeslice, isc, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.%.2d.%.5d", filename_prefix, Nconf, timeslice, isc);
}
break;
case 3:
// timeslice sources for one-end trick (spin dilution)
fprintf(stdout, "# [invert_quda] Creating timeslice source for one-end-trick\n");
status = prepare_timeslice_source_one_end(g_spinor_field[0], gauge_field_smeared, g_source_timeslice, source_momentum, isc%n_s, g_rng_state, \
( isc%n_s==(n_s-1) && imom==source_momentum_runs-1 ) );
if(status != 0) {
fprintf(stderr, "[invert_quda] Error from prepare source, status was %d\n", status);
exit(125);
}
c = N_Jacobi > 0 ? isc%n_s + n_s : isc%n_s;
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.%.2d.%.2d.qx%.2dqy%.2dqz%.2d", filename_prefix, Nconf,
g_source_timeslice, c, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.%.2d.%.2d", filename_prefix, Nconf, g_source_timeslice, c);
}
break;
case 4:
// timeslice sources for one-end trick (spin and color dilution )
fprintf(stdout, "# [invert_quda] Creating timeslice source for one-end-trick\n");
status = prepare_timeslice_source_one_end_color(g_spinor_field[0], gauge_field_smeared, g_source_timeslice, source_momentum,\
isc%(n_s*n_c), g_rng_state, ( isc%(n_s*n_c)==(n_s*n_c-1) && imom==source_momentum_runs-1 ) );
if(status != 0) {
fprintf(stderr, "[invert_quda] Error from prepare source, status was %d\n", status);
exit(126);
}
c = N_Jacobi > 0 ? isc%(n_s*n_c) + (n_s*n_c) : isc%(n_s*n_c);
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.%.2d.%.2d.qx%.2dqy%.2dqz%.2d", filename_prefix, Nconf,
g_source_timeslice, c, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.%.2d.%.2d", filename_prefix, Nconf, g_source_timeslice, c);
}
break;
default:
fprintf(stderr, "\nError, unrecognized source type\n");
exit(32);
break;
}
} else { // read source
switch(g_source_type) {
case 0: // point source
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d.qx%.2dqy%.2dqz%.2d", \
filename_prefix2, Nconf, sl0, sl1, sl2, sl3, isc, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d", filename_prefix2, Nconf, sl0, sl1, sl2, sl3, isc);
}
fprintf(stdout, "# [invert_quda] reading source from file %s\n", source_filename);
status = read_lime_spinor(g_spinor_field[0], source_filename, 0);
if(status != 0) {
fprintf(stderr, "# [invert_quda] Errro, could not read source from file %s\n", source_filename);
exit(115);
}
break;
case 2: // timeslice source
if(g_source_momentum_set) {
sprintf(source_filename, "%s.%.4d.%.2d.%.5d.qx%.2dqy%.2dqz%.2d", filename_prefix2, Nconf, g_source_timeslice,
isc, source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(source_filename, "%s.%.4d.%.2d.%.5d", filename_prefix2, Nconf, g_source_timeslice, isc);
}
fprintf(stdout, "# [invert_quda] reading source from file %s\n", source_filename);
status = read_lime_spinor(g_spinor_field[0], source_filename, 0);
if(status != 0) {
fprintf(stderr, "# [invert_quda] Errro, could not read source from file %s\n", source_filename);
exit(115);
}
break;
default:
fprintf(stderr, "[] Error, unrecognized source type for reading\n");
exit(104);
break;
}
} // of if g_read_source
//sprintf(filename, "%s.ascii", source_filename);
//ofs = fopen(filename, "w");
//printf_spinor_field(g_spinor_field[0], ofs);
//fclose(ofs);
if(g_write_source) {
status = write_propagator(g_spinor_field[0], source_filename, 0, g_propagator_precision);
if(status != 0) {
fprintf(stderr, "Error from write_propagator, status was %d\n", status);
exit(27);
}
}
// smearing
if(N_Jacobi > 0) {
#ifdef OPENMP
Jacobi_Smearing_Step_one_threads(gauge_field_smeared, g_spinor_field[0], g_spinor_field[1], N_Jacobi, kappa_Jacobi);
#else
for(c=0; c<N_Jacobi; c++) {
Jacobi_Smearing_Step_one(gauge_field_smeared, g_spinor_field[0], g_spinor_field[1], kappa_Jacobi);
}
#endif
}
// multiply with g2
for(ix=0;ix<VOLUME;ix++) {
_fv_eq_gamma_ti_fv(g_spinor_field[1]+_GSI(ix), 2, g_spinor_field[0]+_GSI(ix));
}
// transcribe the spinor field to even-odd ordering with coordinates (x,y,z,t)
for(ix=0;ix<VOLUME;ix++) {
iy = g_lexic2eot[ix];
_fv_eq_fv(g_spinor_field[2]+_GSI(iy), g_spinor_field[1]+_GSI(ix));
}
/***********************************************
* perform the inversion
***********************************************/
fprintf(stdout, "# [invert_quda] starting inversion\n");
ratime = (double)clock() / CLOCKS_PER_SEC;
for(ix=0;ix<VOLUME;ix++) {
_fv_eq_zero(g_spinor_field[1]+_GSI(ix) );
}
invertQuda(g_spinor_field[1], g_spinor_field[2], &inv_param);
retime = (double)clock() / CLOCKS_PER_SEC;
fprintf(stdout, "# [invert_quda] inversion done in %e seconds\n", retime-ratime);
fprintf(stdout, "# [invert_quda] Device memory used:\n\tSpinor: %f GiB\n\tGauge: %f GiB\n",
inv_param.spinorGiB, gauge_param.gaugeGiB);
if(inv_param.mass_normalization == QUDA_KAPPA_NORMALIZATION) {
_2_kappa = 2. * g_kappa;
for(ix=0;ix<VOLUME;ix++) {
_fv_ti_eq_re(g_spinor_field[1]+_GSI(ix), _2_kappa );
}
}
// transcribe the spinor field to lexicographical order with (t,x,y,z)
for(ix=0;ix<VOLUME;ix++) {
iy = g_lexic2eot[ix];
_fv_eq_fv(g_spinor_field[2]+_GSI(ix), g_spinor_field[1]+_GSI(iy));
}
// multiply with g2
for(ix=0;ix<VOLUME;ix++) {
_fv_eq_gamma_ti_fv(g_spinor_field[1]+_GSI(ix), 2, g_spinor_field[2]+_GSI(ix));
}
/***********************************************
* check residuum
***********************************************/
if(check_residuum) {
// apply the Wilson Dirac operator in the gamma-basis defined in cvc_linalg,
// which uses the tmLQCD conventions (same as in contractions)
// without explicit boundary conditions
Q_Wilson_phi(g_spinor_field[2], g_spinor_field[1]);
for(ix=0;ix<VOLUME;ix++) {
_fv_mi_eq_fv(g_spinor_field[2]+_GSI(ix), g_spinor_field[0]+_GSI(ix));
}
spinor_scalar_product_re(&norm, g_spinor_field[2], g_spinor_field[2], VOLUME);
spinor_scalar_product_re(&norm2, g_spinor_field[0], g_spinor_field[0], VOLUME);
fprintf(stdout, "\n# [invert_quda] absolut residuum squared: %e; relative residuum %e\n", norm, sqrt(norm/norm2) );
}
/***********************************************
* write the solution
***********************************************/
sprintf(filename, "%s.inverted", source_filename);
fprintf(stdout, "# [invert_quda] writing propagator to file %s\n", filename);
status = write_propagator(g_spinor_field[1], filename, 0, g_propagator_precision);
if(status != 0) {
fprintf(stderr, "Error from write_propagator, status was %d\n", status);
exit(22);
}
} // of loop on momenta
} // of isc
/***********************************************
* free the allocated memory, finalize
***********************************************/
// finalize the QUDA library
fprintf(stdout, "# [invert_quda] finalizing quda\n");
endQuda();
free(g_gauge_field);
free(gauge_field_smeared);
for(i=0; i<no_fields; i++) free(g_spinor_field[i]);
free(g_spinor_field);
free_geometry();
if(g_source_momentum_set && full_orbit) {
finalize_q_orbits(&qlatt_id, &qlatt_count, &qlatt_list, &qlatt_rep);
if(qlatt_map != NULL) {
free(qlatt_map[0]);
free(qlatt_map);
}
}
if(source_momentum != NULL) free(source_momentum);
#ifdef MPI
MPI_Finalize();
#endif
if(g_cart_id==0) {
g_the_time = time(NULL);
fprintf(stdout, "\n# [invert_quda] %s# [invert_quda] end of run\n", ctime(&g_the_time));
fprintf(stderr, "\n# [invert_quda] %s# [invert_quda] end of run\n", ctime(&g_the_time));
}
return(0);
}
int main(int argc, char **argv) {
int c, i, mu, nu;
int count = 0;
int filename_set = 0;
int dims[4] = {0,0,0,0};
int l_LX_at, l_LXstart_at;
int x0, x1, x2, x3, ix, iix;
int sx0, sx1, sx2, sx3;
int sid;
double *disc = (double*)NULL;
double *disc2 = (double*)NULL;
double *work = (double*)NULL;
double q[4], fnorm;
double cvc_lnuy[8];
double *gauge_trafo=(double*)NULL;
double unit_trace[2], D_trace[2];
int verbose = 0;
int do_gt = 0;
char filename[100];
double ratime, retime;
double plaq;
double spinor1[24], spinor2[24], U_[18];
complex w, w1, *cp1, *cp2, *cp3;
FILE *ofs;
fftw_complex *in=(fftw_complex*)NULL;
#ifdef MPI
fftwnd_mpi_plan plan_p;
int *status;
#else
fftwnd_plan plan_p;
#endif
#ifdef MPI
MPI_Init(&argc, &argv);
#endif
while ((c = getopt(argc, argv, "h?vgf:")) != -1) {
switch (c) {
case 'v':
verbose = 1;
break;
case 'g':
do_gt = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'h':
case '?':
default:
usage();
break;
}
}
/* set the default values */
set_default_input_values();
if(filename_set==0) strcpy(filename, "cvc.input");
/* read the input file */
read_input(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stdout, "T and L's must be set\n");
usage();
}
if(g_kappa == 0.) {
if(g_proc_id==0) fprintf(stdout, "kappa should be > 0.n");
usage();
}
/* initialize MPI parameters */
mpi_init(argc, argv);
#ifdef MPI
if((status = (int*)calloc(g_nproc, sizeof(int))) == (int*)NULL) {
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(7);
}
#endif
/* initialize fftw */
dims[0]=T_global; dims[1]=LX; dims[2]=LY; dims[3]=LZ;
#ifdef MPI
plan_p = fftwnd_mpi_create_plan(g_cart_grid, 4, dims, FFTW_BACKWARD, FFTW_MEASURE);
fftwnd_mpi_local_sizes(plan_p, &T, &Tstart, &l_LX_at, &l_LXstart_at, &FFTW_LOC_VOLUME);
#else
plan_p = fftwnd_create_plan(4, dims, FFTW_BACKWARD, FFTW_MEASURE | FFTW_IN_PLACE);
T = T_global;
Tstart = 0;
l_LX_at = LX;
l_LXstart_at = 0;
FFTW_LOC_VOLUME = T*LX*LY*LZ;
#endif
fprintf(stdout, "# [%2d] fftw parameters:\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n"\
"# [%2d] l_LX_at = %3d\n"\
"# [%2d] l_LXstart_at = %3d\n"\
"# [%2d] FFTW_LOC_VOLUME = %3d\n",
g_cart_id, g_cart_id, T, g_cart_id, Tstart, g_cart_id, l_LX_at,
g_cart_id, l_LXstart_at, g_cart_id, FFTW_LOC_VOLUME);
#ifdef MPI
if(T==0) {
fprintf(stderr, "[%2d] local T is zero; exit\n", g_cart_id);
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(2);
}
#endif
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(1);
}
geometry();
/* read the gauge field */
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "reading gauge field from file %s\n", filename);
read_lime_gauge_field_doubleprec(filename);
xchange_gauge();
/* measure the plaquette */
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "measured plaquette value: %25.16e\n", plaq);
/* get the source location coordinates */
sx0 = g_source_location / (LX*LY*LZ );
sx1 = ( g_source_location % (LX*LY*LZ) ) / (LY*LZ);
sx2 = ( g_source_location % (LY*LZ) ) / LZ;
sx3 = ( g_source_location % LZ );
/* read the data for lnuy */
sprintf(filename, "cvc_lnuy_X.%.4d", Nconf);
ofs = fopen(filename, "r");
fprintf(stdout, "reading cvc lnuy from file %s\n", filename);
for(mu=0; mu<4; mu++) {
fscanf(ofs, "%lf%lf", cvc_lnuy+2*mu, cvc_lnuy+2*mu+1);
}
fclose(ofs);
/* allocate memory for the spinor fields */
no_fields = 2;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUMEPLUSRAND);
/****************************************
* allocate memory for the contractions
****************************************/
disc = (double*)calloc(8*VOLUME, sizeof(double));
if( disc == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for disc\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(3);
}
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
disc2 = (double*)calloc(8*VOLUME, sizeof(double));
if( disc2 == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for disc2\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(3);
}
for(ix=0; ix<8*VOLUME; ix++) disc2[ix] = 0.;
work = (double*)calloc(48*VOLUME, sizeof(double));
if( work == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for work\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(3);
}
/****************************************
* prepare Fourier transformation arrays
****************************************/
in = (fftw_complex*)malloc(FFTW_LOC_VOLUME*sizeof(fftw_complex));
if(in==(fftw_complex*)NULL) {
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(4);
}
if(g_resume==1) { /* read current disc from file */
sprintf(filename, ".outcvc_current.%.4d", Nconf);
c = read_contraction(disc, &count, filename, 8);
#ifdef MPI
MPI_Gather(&c, 1, MPI_INT, status, 1, MPI_INT, 0, g_cart_grid);
if(g_cart_id==0) {
/* check the entries in status */
for(i=0; i<g_nproc; i++)
if(status[i]!=0) { status[0] = 1; break; }
}
MPI_Bcast(status, 1, MPI_INT, 0, g_cart_grid);
if(status[0]==1) {
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
count = 0;
}
#else
if(c != 0) {
fprintf(stdout, "could not read current disc; start new\n");
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
count = 0;
}
#endif
if(g_cart_id==0) fprintf(stdout, "starting with count = %d\n", count);
} /* of g_resume == 1 */
if(do_gt==1) {
/***********************************
* initialize gauge transformation
***********************************/
init_gauge_trafo(&gauge_trafo,1.0);
fprintf(stdout, "applying gauge trafo to gauge field\n");
apply_gt_gauge(gauge_trafo);
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "plaquette plaq = %25.16e\n", plaq);
}
unit_trace[0] = 0.;
unit_trace[1] = 0.;
D_trace[0] = 0.;
D_trace[1] = 0.;
/****************************************
* start loop on source id.s
****************************************/
for(sid=g_sourceid; sid<=g_sourceid2; sid++) {
/****************************************
* read the new propagator
****************************************/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
/****************************************
* check: write source before D-appl.
****************************************/
/*
if(format==0) {
sprintf(filename, "%s.%.4d.%.2d", filename_prefix, Nconf, sid);
read_lime_spinor(g_spinor_field[0], filename, 0);
}
for(ix=0; ix<12*VOLUME; ix++) {
fprintf(stdout, "source: %6d%25.16e%25.16e\n", ix, g_spinor_field[0][2*ix], g_spinor_field[0][2*ix+1]);
}
*/
if(format==0) {
sprintf(filename, "%s.%.4d.%.2d.inverted", filename_prefix, Nconf, sid);
/* sprintf(filename, "%s.%.4d.%.2d", filename_prefix, Nconf, sid); */
if(read_lime_spinor(g_spinor_field[1], filename, 0) != 0) break;
}
else if(format==1) {
sprintf(filename, "%s.%.4d.%.5d.inverted", filename_prefix, Nconf, sid);
if(read_cmi(g_spinor_field[1], filename) != 0) break;
}
xchange_field(g_spinor_field[1]);
if(do_gt==1) {
fprintf(stdout, "applying gt on propagators\n");
for(ix=0; ix<VOLUME; ix++) {
_fv_eq_cm_ti_fv(spinor1, gauge_trafo+18*ix, g_spinor_field[1]+_GSI(ix));
_fv_eq_fv(g_spinor_field[1]+_GSI(ix), spinor1);
}
}
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
fprintf(stdout, "time to read prop.: %e seconds\n", retime-ratime);
count++;
/****************************************
* calculate the source: apply Q_phi_tbc
****************************************/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
Q_phi_tbc(g_spinor_field[0], g_spinor_field[1]);
xchange_field(g_spinor_field[0]);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "time to calculate source: %e seconds\n", retime-ratime);
/****************************************
* check: write source after D-appl.
****************************************/
/*
for(ix=0; ix<12*VOLUME; ix++) {
fprintf(stdout, "D_source: %6d%25.16e%25.16e\n", ix, g_spinor_field[0][2*ix], g_spinor_field[0][2*ix+1]);
}
*/
/****************************************
* add new contractions to (existing) disc
****************************************/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
for(mu=0; mu<4; mu++) { /* loop on Lorentz index of the current */
iix = _GWI(mu,0,VOLUME);
for(ix=0; ix<VOLUME; ix++) { /* loop on lattice sites */
_cm_eq_cm_ti_co(U_, &g_gauge_field[_GGI(ix, mu)], &co_phase_up[mu]);
/* first contribution */
_fv_eq_cm_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(g_iup[ix][mu])]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_mi_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(ix)], spinor2);
disc[iix ] -= 0.5 * w.re;
disc[iix+1] -= 0.5 * w.im;
/* second contribution */
_fv_eq_cm_dag_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(ix)]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_pl_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(g_iup[ix][mu])], spinor2);
disc2[iix ] -= 0.5 * w.re;
disc2[iix+1] -= 0.5 * w.im;
iix += 2;
} /* of ix */
} /* of mu */
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
fprintf(stdout, "[%2d] contractions for CVC in %e seconds\n", g_cart_id, retime-ratime);
/***************************************************
* check: convergence of trace of unit matrix
***************************************************/
_co_eq_fv_dag_ti_fv(&w, g_spinor_field[0]+_GSI(g_source_location), g_spinor_field[0]+_GSI(g_source_location));
unit_trace[0] += w.re;
unit_trace[1] += w.im;
fprintf(stdout, "unit_trace: %4d%25.16e%25.16e\n", count, w.re, w.im);
_co_eq_fv_dag_ti_fv(&w, g_spinor_field[0]+_GSI(g_source_location), g_spinor_field[0]+_GSI(g_iup[g_source_location][0]));
fprintf(stdout, "shift_trace: %4d%25.16e%25.16e\n", count, w.re, w.im);
/***************************************************
* check: convergence of trace D_u(source_location, source_location)
***************************************************/
Q_phi_tbc(g_spinor_field[1], g_spinor_field[0]);
_co_eq_fv_dag_ti_fv(&w, g_spinor_field[0]+_GSI(g_source_location), g_spinor_field[1]+_GSI(g_source_location));
D_trace[0] += w.re;
D_trace[1] += w.im;
/* fprintf(stdout, "D_trace: %4d%25.16e%25.16e\n", count, D_trace[0]/(double)count, D_trace[1]/(double)count); */
fprintf(stdout, "D_trace: %4d%25.16e%25.16e\n", count, w.re, w.im);
/***************************************************
* save results for count = multiple of Nsave
***************************************************/
if(count%Nsave == 0) {
if(g_cart_id == 0) fprintf(stdout, "save results for count = %d\n", count);
/* save the result in position space */
/* divide by number of propagators */
for(ix=0; ix<8*VOLUME; ix++) work[ix] = disc[ix] / (double)count;
sprintf(filename, "outcvc_Xm.%.4d.%.4d", Nconf, count);
write_contraction(work, NULL, filename, 4, 2, 0);
for(ix=0; ix<8*VOLUME; ix++) work[ix] = disc2[ix] / (double)count;
sprintf(filename, "outcvc_Xp.%.4d.%.4d", Nconf, count);
write_contraction(work, NULL, filename, 4, 2, 0);
for(ix=0; ix<8*VOLUME; ix++) work[ix] = (disc[ix] + disc2[ix]) / (double)count;
sprintf(filename, "outcvc_X.%.4d.%.4d", Nconf, count);
write_contraction(work, NULL, filename, 4, 2, 0);
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
/****************************************
* Fourier transform data, copy to work
****************************************/
for(mu=0; mu<4; mu++) {
memcpy((void*)in, (void*)(work+_GWI(mu,0,VOLUME)), 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_p, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_p, in, NULL);
#endif
memcpy((void*)(work+_GWI(mu,0,VOLUME)), (void*)in, 2*VOLUME*sizeof(double));
} /* of mu =0 ,..., 3*/
/* fnorm = 1. / ((double)count); */
fprintf(stdout, "fnorm = %e\n", fnorm);
for(mu=0; mu<4; mu++) {
for(nu=0; nu<4; nu++) {
cp1 = (complex*)(work+_GWI(mu,0,VOLUME));
cp2 = (complex*)(cvc_lnuy+2*nu);
cp3 = (complex*)(work+_GWI(4+4*mu+nu,0,VOLUME));
for(x0=0; x0<T; x0++) {
q[0] = (double)(x0+Tstart) / (double)T_global;
for(x1=0; x1<LX; x1++) {
q[1] = (double)(x1) / (double)LX;
for(x2=0; x2<LY; x2++) {
q[2] = (double)(x2) / (double)LY;
for(x3=0; x3<LZ; x3++) {
q[3] = (double)(x3) / (double)LZ;
ix = g_ipt[x0][x1][x2][x3];
w.re = cos( M_PI * ( q[mu] - q[nu] - 2.*(sx0*q[0]+sx1*q[1]+sx2*q[2]+sx3*q[3])) );
w.im = sin( M_PI * ( q[mu] - q[nu] - 2.*(sx0*q[0]+sx1*q[1]+sx2*q[2]+sx3*q[3])) );
/* fprintf(stdout, "mu=%3d, nu=%3d, t=%3d, x=%3d, y=%3d, z=%3d, phase= %21.12e + %21.12ei\n", \
mu, nu, x0, x1, x2, x3, w.re, w.im); */
_co_eq_co_ti_co(&w1, cp1, cp2);
_co_eq_co_ti_co(cp3, &w1, &w);
/* _co_ti_eq_re(cp3, fnorm); */
cp1++; cp3++;
}
}
}
}
}
}
/* save the result in momentum space */
sprintf(filename, "outcvc_P.%.4d.%.4d", Nconf, count);
write_contraction(work+_GWI(4,0,VOLUME), NULL, filename, 16, 2, 0);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "time to cvc save results: %e seconds\n", retime-ratime);
} /* of count % Nsave == 0 */
} /* of loop on sid */
if(g_resume==1) {
/* write current disc to file */
sprintf(filename, ".outcvc_current.%.4d", Nconf);
write_contraction(disc, &count, filename, 4, 0, 0);
}
/**************************************
* free the allocated memory, finalize
**************************************/
free(g_gauge_field);
if(do_gt==1) free(gauge_trafo);
for(i=0; i<no_fields; i++) free(g_spinor_field[i]);
free(g_spinor_field);
free_geometry();
fftw_free(in);
free(disc); free(disc2);
free(work);
#ifdef MPI
fftwnd_mpi_destroy_plan(plan_p);
free(status);
MPI_Finalize();
#else
fftwnd_destroy_plan(plan_p);
#endif
return(0);
}
int main(int argc, char **argv) {
int c, i, mu, K=16;
int count = 0;
int filename_set = 0;
int x0;
int estat; // exit status
unsigned long int ix, idx;
unsigned long int x1, VOL3, index_min;
int sid;
double *disc = (double*)NULL, *buffer=NULL, *buffer2=NULL;
int verbose = 0;
char filename[100];
double ratime, retime;
double plaq;
double spinor1[24];
double *gauge_field_f=NULL, *gauge_field_timeslice=NULL;
double v4norm = 0., vvnorm = 0.;
double *psi0 = NULL, *psi1 = NULL, *psi2 = NULL, *psi3 = NULL;
complex w;
FILE *ofs[4];
double addreal, addimag;
/* Initialise all the gamma matrix combinations
g5, g1, g2, g3, ig0g5, ig0gi, -1, -g5gi, g0 -g5g0gi */
int gindex[] = {5, 1, 2, 3, 6, 7, 8, 9, 4, 10, 11, 12, 0, 13, 14, 15};
double gsign[] = {-1., 1., 1., 1., -1., 1., 1., 1., 1., 1., 1., 1., 1., 1., -1., 1.};
#ifdef MPI
MPI_Status status;
#endif
#ifdef MPI
MPI_Init(&argc, &argv);
#endif
while ((c = getopt(argc, argv, "h?vgf:")) != -1) {
switch (c) {
case 'v':
verbose = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'h':
case '?':
default:
usage();
break;
}
}
// local time stamp
g_the_time = time;
if(g_cart_id == 0) {
fprintf(stdout, "\n# [disc] using global time stamp %s", ctime(&g_the_time));
}
/* set the default values */
if(filename_set==0) strcpy(filename, "cvc.input");
fprintf(stdout, "# reading input from file %s\n", filename);
read_input_parser(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stdout, "T and L's must be set\n");
usage();
}
if(g_kappa == 0.) {
if(g_proc_id==0) fprintf(stdout, "kappa should be > 0.n");
usage();
}
/* initialize MPI parameters */
mpi_init(argc, argv);
#ifdef MPI
# if ! ( (defined PARALLELTX) || (defined PARALLELTXY) )
T = T_global / g_nproc;
Tstart = g_cart_id * T;
# endif
#else
T = T_global;
Tstart = 0;
#endif
VOL3 = LX*LY*LZ;
fprintf(stdout, "# [%2d] parameters:\n"\
"# [%2d] T_global = %3d\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n"\
"# [%2d] LX_global = %3d\n"\
"# [%2d] LX = %3d\n"\
"# [%2d] LXstart = %3d\n",
g_cart_id, g_cart_id, T_global, g_cart_id, T, g_cart_id, Tstart, g_cart_id, LX_global, g_cart_id, LX,
g_cart_id, LXstart);
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(1);
}
geometry();
/**********************************************
* read the gauge field
**********************************************/
// if(N_ape>0 || Nlong>0) {
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "reading gauge field from file %s\n", filename);
read_lime_gauge_field_doubleprec(filename);
xchange_gauge();
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "# measured plaquette value: %25.16e\n", plaq);
// } else {
// g_gauge_field = (double*)NULL;
// }
if(Nlong > 0) {
// N_ape = 1;
// alpha_ape = 0.4;
if(g_cart_id==0) fprintf(stdout, "# apply fuzzing of gauge field and propagators with parameters:\n"\
"# Nlong = %d\n# N_ape = %d\n# alpha_ape = %f\n", Nlong, N_ape, alpha_ape);
alloc_gauge_field(&gauge_field_f, VOLUMEPLUSRAND);
#if !( (defined PARALLELTX) || (defined PARALLELTXY) )
gauge_field_timeslice = (double*)calloc(72*VOL3, sizeof(double));
if( gauge_field_timeslice == (double*)NULL ) {
fprintf(stderr, "Error, could not allocate mem for gauge_field_timeslice\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(2);
}
for(x0=0; x0<T; x0++) {
memcpy((void*)gauge_field_timeslice, (void*)(g_gauge_field+_GGI(g_ipt[x0][0][0][0],0)), 72*VOL3*sizeof(double));
for(i=0; i<N_ape; i++) {
fprintf(stdout, "# [] APE smearing time slice %d step %d\n", x0, i);
APE_Smearing_Step_Timeslice(gauge_field_timeslice, alpha_ape);
}
if(Nlong > 0) {
fuzzed_links_Timeslice(gauge_field_f, gauge_field_timeslice, Nlong, x0);
} else {
memcpy(gauge_field_f+_GGI(g_ipt[x0][0][0][0], 0), gauge_field_timeslice, 72*VOL3*sizeof(double));
}
}
free(gauge_field_timeslice);
#else
for(i=0; i<N_ape; i++) {
APE_Smearing_Step(g_gauge_field, alpha_ape);
xchange_gauge_field_timeslice(g_gauge_field);
}
if ( Nlong > 0 ) {
if(g_cart_id==0) fprintf(stdout, "\n# [hdisc] fuzzing gauge field ...\n");
fuzzed_links2(gauge_field_f, g_gauge_field, Nlong);
} else {
memcpy(gauge_field_f, g_gauge_field, 72*VOLUMEPLUSRAND*sizeof(double));
}
xchange_gauge_field(gauge_field_f);
read_lime_gauge_field_doubleprec(filename);
xchange_gauge();
#endif
/*
for(ix=0; ix<VOLUME; ix++) {
for(mu=0; mu<4; mu++) {
for(i=0; i<9; i++) {
fprintf(stdout, "%6d%3d%3d%25.16e%25.16e%25.16e%25.16e\n", ix, mu, i,
gauge_field_f[_GGI(ix,mu)+2*i], gauge_field_f[_GGI(ix,mu)+2*i+1],
g_gauge_field[_GGI(ix,mu)+2*i], g_gauge_field[_GGI(ix,mu)+2*i+1]);
}}
}
*/
} // of if Nlong > 0
/* allocate memory for the spinor fields */
no_fields = 8;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUME+RAND);
/* allocate memory for the contractions */
/*
#ifdef PARALLELTX
if(g_xs_id==0) {idx = 4 * 4 * K * T_global * 2;}
else {idx = 4 * 4 * K * T * 2;}
#else
if(g_cart_id==0) {idx = 4 * 4 * K * T_global * 2;}
else {idx = 4 * 4 * K* T * 2;}
#endif
*/
disc = (double*)calloc(32*K*T, sizeof(double));
if( disc==(double*)NULL ) {
fprintf(stderr, "could not allocate memory for disc\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(3);
}
buffer = (double*)calloc(32*K*T, sizeof(double));
if( buffer==(double*)NULL ) {
fprintf(stderr, "could not allocate memory for buffer\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(4);
}
buffer2 = (double*)calloc(32*K*T_global, sizeof(double));
if( buffer2==(double*)NULL ) {
fprintf(stderr, "could not allocate memory for buffer2\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(5);
}
if(g_cart_id==0) {
sprintf(filename, "hdisc-ss.k0v4.%.4d", Nconf);
ofs[0] = fopen(filename, "w");
sprintf(filename, "hdisc-sc.k0v4.%.4d", Nconf);
ofs[1] = fopen(filename, "w");
sprintf(filename, "hdisc-cs.k0v4.%.4d", Nconf);
ofs[2] = fopen(filename, "w");
sprintf(filename, "hdisc-cc.k0v4.%.4d", Nconf);
ofs[3] = fopen(filename, "w");
if(ofs[0]==(FILE*)NULL || ofs[1]==(FILE*)NULL || ofs[2]==(FILE*)NULL || ofs[3]==(FILE*)NULL) {
fprintf(stderr, "Error, could not open files for writing.\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(6);
}
}
/*****************************************
* HPE coefficients
*****************************************/
/*
if(format==1) {
*/
addimag = 2*g_kappa*g_musigma/sqrt(1 + 4*g_kappa*g_kappa*(g_musigma*g_musigma-g_mudelta*g_mudelta)) *
LX*LY*LZ*3*4*2.*g_kappa*g_kappa*4;
// addreal = (1.+2*g_kappa*g_mudelta)/sqrt(1 + 4*g_kappa*g_kappa*(g_musigma*g_musigma-g_mudelta*g_mudelta)) *
// LX*LY*LZ*3*4*2.*g_kappa*g_kappa*4;
addreal = (1.- 2*g_kappa*g_mudelta)/sqrt(1 + 4*g_kappa*g_kappa*(g_musigma*g_musigma-g_mudelta*g_mudelta)) *
LX*LY*LZ*3*4*2.*g_kappa*g_kappa*4;
v4norm = 1. / ( 8. * g_kappa * g_kappa );
vvnorm = 1. / ( 8. * g_kappa * g_kappa );
/*
} else {
addimag = 2*g_kappa*g_musigma/sqrt(1 + 4*g_kappa*g_kappa*(g_musigma*g_musigma-g_mudelta*g_mudelta)) *
LX*LY*LZ*3*4*2.*g_kappa*2;
addreal = (1.+2*g_kappa*g_mudelta)/sqrt(1 + 4*g_kappa*g_kappa*(g_musigma*g_musigma-g_mudelta*g_mudelta)) *
LX*LY*LZ*3*4*2.*g_kappa*2;
v4norm = 1. / ( 4. * g_kappa );
vvnorm = 1. / ( 4. * g_kappa );
}
*/
if(g_cart_id==0) fprintf(stdout, "# addimag = %25.16e;\t addreal = %25.16e\n"\
"# v4norm = %25.16e;\t vvnorm = %25.16e\n", addimag, addreal, v4norm, vvnorm);
/******************************************
* start loop on source id.s
******************************************/
count = -1;
for(sid=g_sourceid; sid<=g_sourceid2; sid+=g_sourceid_step) {
for(ix=0; ix<32*K*T; ix++) disc[ix] = 0.;
for(ix=0; ix<32*K*T; ix++) buffer[ix] = 0.;
for(ix=0; ix<32*K*T_global; ix++) buffer2[ix] = 0.;
/* read the new propagator */
sprintf(filename, "%s.%.4d.%.5d.hinverted", filename_prefix, Nconf, sid);
/* sprintf(filename, "%s.%.4d.%.2d.inverted", filename_prefix, Nconf, sid); */
estat = read_lime_spinor(g_spinor_field[2], filename, 0);
if( estat != 0 ) {
fprintf(stderr, "[%2d] Error, could not read from file %s at position 0\n", g_cart_id, filename);
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(7);
}
estat = read_lime_spinor(g_spinor_field[3], filename, 1);
if( estat != 0 ) {
fprintf(stderr, "[%2d] Error, could not read from file %s at position 1\n", g_cart_id, filename);
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(7);
}
count++;
xchange_field(g_spinor_field[2]);
xchange_field(g_spinor_field[3]);
/* calculate the source: apply Q_phi_tbc */
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
Q_h_phi(g_spinor_field[0], g_spinor_field[1], g_spinor_field[2], g_spinor_field[3]);
xchange_field(g_spinor_field[0]);
xchange_field(g_spinor_field[1]);
// print the sources
/*
for(ix=0; ix<VOLUME; ix++) {
for(mu=0; mu<12; mu++) {
fprintf(stdout, "%6d%3d%25.16e%25.16e%25.16e%25.16e\n", ix, mu,
g_spinor_field[0][_GSI(ix)+2*mu], g_spinor_field[0][_GSI(ix)+2*mu+1],
g_spinor_field[1][_GSI(ix)+2*mu], g_spinor_field[1][_GSI(ix)+2*mu+1]);
}
}
*/
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "\n# [hdisc] time for applying Q_tm_h: %e seconds\n", retime-ratime);
/* apply gamma5_BdagH4_gamma5 */
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
gamma5_B_h_dagH4_gamma5(g_spinor_field[4], g_spinor_field[5], g_spinor_field[0], g_spinor_field[1], g_spinor_field[6], g_spinor_field[7]);
/*
for(ix=0; ix<VOLUME; ix++) {
for(mu=0; mu<12; mu++) {
fprintf(stdout, "%6d%3d%25.16e%25.16e%25.16e%25.16e\n", ix, mu,
g_spinor_field[4][_GSI(ix)+2*mu], g_spinor_field[4][_GSI(ix)+2*mu+1],
g_spinor_field[5][_GSI(ix)+2*mu], g_spinor_field[5][_GSI(ix)+2*mu+1]);
}
}
*/
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# time for applying noise reduction: %e seconds\n", retime-ratime);
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(Nlong>0) {
if(g_cart_id==0) fprintf(stdout, "# fuzzing propagator with Nlong = %d\n", Nlong);
memcpy((void*)g_spinor_field[6], (void*)g_spinor_field[2], 24*(VOLUME+RAND)*sizeof(double));
/* xchange_field_timeslice(g_spinor_field[6]); */
Fuzz_prop3(gauge_field_f, g_spinor_field[6], g_spinor_field[0], Nlong);
xchange_field_timeslice(g_spinor_field[6]);
memcpy((void*)g_spinor_field[7], (void*)g_spinor_field[3], 24*(VOLUME+RAND)*sizeof(double));
/* xchange_field_timeslice(g_spinor_field[7]); */
Fuzz_prop3(gauge_field_f, g_spinor_field[7], g_spinor_field[1], Nlong);
xchange_field_timeslice(g_spinor_field[7]);
} else {
for(ix=0;ix<VOLUME;ix++) { _fv_eq_zero(g_spinor_field[6]+_GSI(ix)); }
for(ix=0;ix<VOLUME;ix++) { _fv_eq_zero(g_spinor_field[7]+_GSI(ix)); }
}
/*
for(ix=0; ix<VOLUME; ix++) {
for(mu=0; mu<12; mu++) {
fprintf(stdout, "%6d%3d%25.16e%25.16e%25.16e%25.16e\n", ix, mu,
g_spinor_field[6][_GSI(ix)+2*mu], g_spinor_field[6][_GSI(ix)+2*mu+1],
g_spinor_field[7][_GSI(ix)+2*mu], g_spinor_field[7][_GSI(ix)+2*mu+1]);
}
}
*/
// recalculate the sources --- they are changed in Fuzz_prop3
Q_h_phi(g_spinor_field[0], g_spinor_field[1], g_spinor_field[2], g_spinor_field[3]);
xchange_field(g_spinor_field[0]);
xchange_field(g_spinor_field[1]);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# time for fuzzing: %e seconds\n", retime-ratime);
/********************************
* add new contractions to disc
********************************/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
for(c=0; c<4; c++)
{
if(c==0) { psi0 = g_spinor_field[2]; psi1 = g_spinor_field[4]; psi2 = g_spinor_field[6]; psi3 = g_spinor_field[0]; }
if(c==1) { psi0 = g_spinor_field[2]; psi1 = g_spinor_field[5]; psi2 = g_spinor_field[6]; psi3 = g_spinor_field[1]; }
if(c==2) { psi0 = g_spinor_field[3]; psi1 = g_spinor_field[4]; psi2 = g_spinor_field[7]; psi3 = g_spinor_field[0]; }
if(c==3) { psi0 = g_spinor_field[3]; psi1 = g_spinor_field[5]; psi2 = g_spinor_field[7]; psi3 = g_spinor_field[1]; }
/*
for(ix=0; ix<VOLUME; ix++) {
for(mu=0; mu<12; mu++) {
fprintf(stdout, "%6d%3d%16.7e%16.7e%16.7e%16.7e%16.7e%16.7e%16.7e%16.7e\n", ix, mu,
psi0[_GSI(ix)+2*mu], psi0[_GSI(ix)+2*mu+1], psi1[_GSI(ix)+2*mu], psi1[_GSI(ix)+2*mu+1],
psi2[_GSI(ix)+2*mu], psi2[_GSI(ix)+2*mu+1], psi3[_GSI(ix)+2*mu], psi3[_GSI(ix)+2*mu+1]);
}
}
*/
for(x0=0; x0<T; x0++) {
for(mu=0; mu<16; mu++) {
index_min = x0 * K + mu + c * 4 * K * T;
for(x1=0; x1<VOL3; x1++) {
ix = x0*VOL3 + x1;
idx = _GSI( ix );
_fv_eq_gamma_ti_fv(spinor1, mu, psi0+idx);
_co_eq_fv_dag_ti_fv(&w, psi1+idx, spinor1);
disc[2*( index_min) ] += w.re;
disc[2*( index_min)+1] += w.im;
if(Nlong>0) {
_fv_eq_gamma_ti_fv(spinor1, mu, psi2+idx);
_co_eq_fv_dag_ti_fv(&w, psi1+idx, spinor1);
disc[2*( K*T + index_min) ] += w.re;
disc[2*( K*T + index_min)+1] += w.im;
}
_fv_eq_gamma_ti_fv(spinor1, mu, psi0+idx);
_co_eq_fv_dag_ti_fv(&w, psi3+idx, spinor1);
disc[2*(2*K*T + index_min) ] += w.re;
disc[2*(2*K*T + index_min)+1] += w.im;
if(Nlong>0) {
_fv_eq_gamma_ti_fv(spinor1, mu, psi2+idx);
_co_eq_fv_dag_ti_fv(&w, psi3+idx, spinor1);
disc[2*(3*K*T + index_min) ] += w.re;
disc[2*(3*K*T + index_min)+1] += w.im;
}
}
}
} // of loop on x0
for(x0=0; x0<T; x0++) {
disc[2*( x0*K+4 + 4*c*K*T) ] += addreal;
disc[2*( x0*K+5 + 4*c*K*T)+1] -= addimag;
if(Nlong>0) {
disc[2*(K*T + x0*K+4 + 4*c*K*T) ] += addreal;
disc[2*(K*T + x0*K+5 + 4*c*K*T)+1] -= addimag;
}
}
} // of c=0,...,4
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "# time for contracting: %e seconds\n", retime-ratime);
#ifdef MPI
/* collect results to disc */
#if (defined PARALLELTX) || (defined PARALLELTXY)
MPI_Allreduce(disc, buffer, 32*K*T, MPI_DOUBLE, MPI_SUM, g_ts_comm);
MPI_Allgather(buffer, 32*K*T, MPI_DOUBLE, buffer2, 32*K*T, MPI_DOUBLE, g_xs_comm);
# else
MPI_Gather(disc, 32*K*T, MPI_DOUBLE, buffer2, 32*K*T, MPI_DOUBLE, 0, g_cart_grid);
# endif
#else
memcpy((void*)buffer2, (void*)disc, 32*K*T_global*sizeof(double));
#endif
/* write current disc to file */
if(g_cart_id==0) {
for(c=0; c<4; c++) {
if(sid==g_sourceid) fprintf(ofs[c], "#%6d%3d%3d%3d%3d\t%f\t%f\t%f\t%f\n", Nconf, T_global, LX_global, LY_global, LZ,
g_kappa, g_mu, g_musigma, g_mudelta);
for(x0=0; x0<T_global; x0++) {
for(mu=0; mu<16; mu++) {
idx = gindex[mu];
ix = K*(x0%T) + idx + 16*K*T*(x0/T) + c*4*K*T;
fprintf(ofs[c], "%6d%3d%4d%4d%25.16e%25.16e%25.16e%25.16e%25.16e%25.16e%25.16e%25.16e\n",
Nconf, mu, x0, sid,
gsign[mu]*buffer2[2*( ix)]*v4norm, gsign[mu]*buffer2[2*( ix)+1]*v4norm,
gsign[mu]*buffer2[2*( K*T+ix)]*v4norm, gsign[mu]*buffer2[2*( K*T+ix)+1]*v4norm,
gsign[mu]*buffer2[2*(2*K*T+ix)]*vvnorm, gsign[mu]*buffer2[2*(2*K*T+ix)+1]*vvnorm,
gsign[mu]*buffer2[2*(3*K*T+ix)]*vvnorm, gsign[mu]*buffer2[2*(3*K*T+ix)+1]*vvnorm);
}
}
}
}
if(g_cart_id==0) fprintf(stdout, "# finished all sid %d\n", sid);
} /* of loop on sid */
if(g_cart_id==0) { fclose(ofs[0]); fclose(ofs[1]); fclose(ofs[2]); fclose(ofs[3]); }
/* free the allocated memory, finalize */
free(g_gauge_field);
if(no_fields>0) {
for(i=0; i<no_fields; i++) free(g_spinor_field[i]);
free(g_spinor_field);
}
free_geometry();
free(disc);
free(buffer);
free(buffer2);
if(Nlong>0) free(gauge_field_f);
if(g_cart_id == 0) {
g_the_time = time(NULL);
fprintf(stdout, "\n# [disc] %s# [disc] end of run\n", ctime(&g_the_time));
fprintf(stderr, "\n# [disc] %s# [disc] end of run\n", ctime(&g_the_time));
}
#ifdef MPI
MPI_Finalize();
#endif
return(0);
}
int main(int argc, char **argv) {
const int n_c = 3; // number of colors
int c, i, j, mu, nu, ir, is, ia, imunu;
int filename_set = 0;
int dims[4] = {0,0,0,0};
int l_LX_at, l_LXstart_at;
int source_location, have_source_flag = 0;
int x0, x1, x2, x3, ix;
int sx0, sx1, sx2, sx3;
int isimag[4];
int gperm[5][4], gperm2[4][4];
int check_position_space_WI=0;
int num_threads = 1, nthreads=-1, threadid=-1;
int exitstatus;
int write_ascii=0;
int mms = 0, mass_id = -1;
int outfile_prefix_set = 0;
int source_proc_coords[4], source_proc_id = -1;
int ud_single_file = 0;
double gperm_sign[5][4], gperm2_sign[4][4];
double *conn = NULL;
double *conn2 = NULL;
double contact_term[8];
double *work=NULL;
int verbose = 0;
int do_gt = 0, status;
char filename[100], contype[400], outfile_prefix[400];
double ratime, retime;
double plaq;
double spinor1[24], spinor2[24], U_[18];
double *gauge_trafo=(double*)NULL;
double *phi=NULL, *chi=NULL;
complex w;
double Usourcebuff[72], *Usource[4];
FILE *ofs;
#ifdef MPI
int *status;
#endif
#ifdef MPI
MPI_Init(&argc, &argv);
#endif
while ((c = getopt(argc, argv, "swah?vgf:t:m:o:")) != -1) {
switch (c) {
case 'v':
verbose = 1;
break;
case 'g':
do_gt = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'w':
check_position_space_WI = 1;
fprintf(stdout, "\n# [avc_exact2_lowmem_xspace] will check Ward identity in position space\n");
break;
case 't':
num_threads = atoi(optarg);
fprintf(stdout, "\n# [avc_exact2_lowmem_xspace] will use %d threads in spacetime loops\n", num_threads);
break;
case 'a':
write_ascii = 1;
fprintf(stdout, "\n# [avc_exact2_lowmem_xspace] will write data in ASCII format too\n");
break;
case 'm':
mms = 1;
mass_id = atoi(optarg);
fprintf(stdout, "\n# [avc_exact2_lowmem_xspace] will read propagators in MMS format with mass id %d\n", mass_id);
break;
case 'o':
strcpy(outfile_prefix, optarg);
fprintf(stdout, "\n# [avc_exact2_lowmem_xspace] will use prefix %s for output filenames\n", outfile_prefix);
outfile_prefix_set = 1;
break;
case 's':
ud_single_file = 1;
fprintf(stdout, "\n# [avc_exact2_lowmem_xspace] will read up and down propagator from same file\n");
break;
case 'h':
case '?':
default:
usage();
break;
}
}
if(g_cart_id==0) {
g_the_time = time(NULL);
fprintf(stdout, "\n# [avc_exact2_lowmem_xspace] using global time stamp %s", ctime(&g_the_time));
}
/*********************************
* set number of openmp threads
*********************************/
#ifdef OPENMP
omp_set_num_threads(num_threads);
#endif
/* set the default values */
if(filename_set==0) strcpy(filename, "cvc.input");
fprintf(stdout, "# Reading input from file %s\n", filename);
read_input_parser(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stderr, "\n[avc_exact2_lowmem_xspace] T and L's must be set\n");
usage();
}
if(g_kappa == 0.) {
if(g_proc_id==0) fprintf(stderr, "\n[avc_exact2_lowmem_xspace] kappa should be > 0.n");
usage();
}
/* initialize MPI parameters */
mpi_init(argc, argv);
#ifdef MPI
if((status = (int*)calloc(g_nproc, sizeof(int))) == (int*)NULL) {
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(7);
}
#endif
dims[0]=T_global; dims[1]=LX; dims[2]=LY; dims[3]=LZ;
#ifndef MPI
T = T_global;
Tstart = 0;
l_LX_at = LX;
l_LXstart_at = 0;
#endif
fprintf(stdout, "# [%2d] parameters:\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n"\
"# [%2d] l_LX_at = %3d\n"\
"# [%2d] l_LXstart_at = %3d\n",
g_cart_id, g_cart_id, T, g_cart_id, Tstart, g_cart_id, l_LX_at,
g_cart_id, l_LXstart_at);
#ifdef MPI
if(T==0) {
fprintf(stderr, "[%2d] local T is zero; exit\n", g_cart_id);
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(2);
}
#endif
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(1);
}
geometry();
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
if(!(strcmp(gaugefilename_prefix,"identity")==0)) {
/* read the gauge field */
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "reading gauge field from file %s\n", filename);
read_lime_gauge_field_doubleprec(filename);
} else {
/* initialize unit matrices */
if(g_cart_id==0) fprintf(stdout, "\n# [avc_exact] initializing unit matrices\n");
for(ix=0;ix<VOLUME;ix++) {
_cm_eq_id( g_gauge_field + _GGI(ix, 0) );
_cm_eq_id( g_gauge_field + _GGI(ix, 1) );
_cm_eq_id( g_gauge_field + _GGI(ix, 2) );
_cm_eq_id( g_gauge_field + _GGI(ix, 3) );
}
}
#ifdef MPI
xchange_gauge();
#endif
/* measure the plaquette */
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "measured plaquette value: %25.16e\n", plaq);
/*
sprintf(filename, "gauge.%.2d", g_cart_id);
ofs = fopen(filename, "w");
for(x0=0;x0<T;x0++) {
for(x1=0;x1<LX;x1++) {
for(x2=0;x2<LY;x2++) {
for(x3=0;x3<LZ;x3++) {
ix = g_ipt[x0][x1][x2][x3];
for(mu=0;mu<4;mu++) {
for(i=0;i<9;i++) {
fprintf(ofs, "%8d%3d%3d%3d%3d%3d%3d%25.16e%25.16e\n", ix, x0+Tstart, x1+LXstart, x2+LYstart, x3, mu, i, g_gauge_field[_GGI(ix,mu)+2*i], g_gauge_field[_GGI(ix,mu)+2*i+1]);
}
}
}}}}
fclose(ofs);
if(g_cart_id==0) fprintf(stdout, "\nWarning: forced exit\n");
fflush(stdout);
fflush(stderr);
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 255);
MPI_Finalize();
#endif
exit(255);
*/
/* allocate memory for the spinor fields */
no_fields = 2;
if(mms) no_fields++;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUMEPLUSRAND);
if(mms) {
work = g_spinor_field[no_fields-1];
}
/* allocate memory for the contractions */
conn = (double*)calloc(2 * 16 * VOLUME, sizeof(double));
if( conn==(double*)NULL ) {
fprintf(stderr, "could not allocate memory for contr. fields\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 3);
MPI_Finalize();
#endif
exit(3);
}
#ifdef OPENMP
#pragma omp parallel for
#endif
for(ix=0; ix<32*VOLUME; ix++) conn[ix] = 0.;
conn2 = (double*)calloc(2 * 16 * VOLUME, sizeof(double));
if( conn2 == NULL ) {
fprintf(stderr, "could not allocate memory for contr. fields\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 3);
MPI_Finalize();
#endif
exit(3);
}
#ifdef OPENMP
#pragma omp parallel for
#endif
for(ix=0; ix<32*VOLUME; ix++) conn2[ix] = 0.;
/***********************************************************
* determine source coordinates, find out, if source_location is in this process
***********************************************************/
#if (defined PARALLELTX) || (defined PARALLELTXY)
sx0 = g_source_location / (LX_global*LY_global*LZ);
sx1 = (g_source_location%(LX_global*LY_global*LZ)) / (LY_global*LZ);
sx2 = (g_source_location%(LY_global*LZ)) / LZ;
sx3 = (g_source_location%LZ);
source_proc_coords[0] = sx0 / T;
source_proc_coords[1] = sx1 / LX;
source_proc_coords[2] = sx2 / LY;
source_proc_coords[3] = 0;
MPI_Cart_rank(g_cart_grid, source_proc_coords, &source_proc_id);
have_source_flag = (int)(g_cart_id == source_proc_id);
if(have_source_flag==1) {
fprintf(stdout, "\n# process %2d has source location\n", source_proc_id);
fprintf(stdout, "\n# global source coordinates: (%3d,%3d,%3d,%3d)\n", sx0, sx1, sx2, sx3);
fprintf(stdout, "\n# source proc coordinates: (%3d,%3d,%3d,%3d)\n", source_proc_coords[0],
source_proc_coords[1], source_proc_coords[2], source_proc_coords[3]);
}
sx0 = sx0 % T;
sx1 = sx1 % LX;
sx2 = sx2 % LY;
sx3 = sx3 % LZ;
# else
have_source_flag = (int)(g_source_location/(LX*LY*LZ)>=Tstart && g_source_location/(LX*LY*LZ)<(Tstart+T));
if(have_source_flag==1) fprintf(stdout, "process %2d has source location\n", g_cart_id);
sx0 = g_source_location/(LX*LY*LZ)-Tstart;
sx1 = (g_source_location%(LX*LY*LZ)) / (LY*LZ);
sx2 = (g_source_location%(LY*LZ)) / LZ;
sx3 = (g_source_location%LZ);
#endif
if(have_source_flag==1) {
fprintf(stdout, "local source coordinates: (%3d,%3d,%3d,%3d)\n", sx0, sx1, sx2, sx3);
source_location = g_ipt[sx0][sx1][sx2][sx3];
}
#ifdef MPI
# if (defined PARALLELTX) || (defined PARALLELTXY)
have_source_flag = source_proc_id;
MPI_Bcast(Usourcebuff, 72, MPI_DOUBLE, have_source_flag, g_cart_grid);
# else
MPI_Gather(&have_source_flag, 1, MPI_INT, status, 1, MPI_INT, 0, g_cart_grid);
if(g_cart_id==0) {
for(mu=0; mu<g_nproc; mu++) fprintf(stdout, "status[%1d]=%d\n", mu,status[mu]);
}
if(g_cart_id==0) {
for(have_source_flag=0; status[have_source_flag]!=1; have_source_flag++);
fprintf(stdout, "have_source_flag= %d\n", have_source_flag);
}
MPI_Bcast(&have_source_flag, 1, MPI_INT, 0, g_cart_grid);
# endif
fprintf(stdout, "[%2d] have_source_flag = %d\n", g_cart_id, have_source_flag);
#else
have_source_flag = 0;
#endif
/*
if(g_cart_id==0) fprintf(stdout, "\nWarning: forced exit\n");
fflush(stdout);
fflush(stderr);
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 255);
MPI_Finalize();
#endif
exit(255);
*/
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
/***********************************************************
* initialize the Gamma matrices
***********************************************************/
// gamma_5:
gperm[4][0] = gamma_permutation[5][ 0] / 6;
gperm[4][1] = gamma_permutation[5][ 6] / 6;
gperm[4][2] = gamma_permutation[5][12] / 6;
gperm[4][3] = gamma_permutation[5][18] / 6;
gperm_sign[4][0] = gamma_sign[5][ 0];
gperm_sign[4][1] = gamma_sign[5][ 6];
gperm_sign[4][2] = gamma_sign[5][12];
gperm_sign[4][3] = gamma_sign[5][18];
// gamma_nu gamma_5
for(nu=0;nu<4;nu++) {
// permutation
gperm[nu][0] = gamma_permutation[6+nu][ 0] / 6;
gperm[nu][1] = gamma_permutation[6+nu][ 6] / 6;
gperm[nu][2] = gamma_permutation[6+nu][12] / 6;
gperm[nu][3] = gamma_permutation[6+nu][18] / 6;
// is imaginary ?
isimag[nu] = gamma_permutation[6+nu][0] % 2;
// (overall) sign
gperm_sign[nu][0] = gamma_sign[6+nu][ 0];
gperm_sign[nu][1] = gamma_sign[6+nu][ 6];
gperm_sign[nu][2] = gamma_sign[6+nu][12];
gperm_sign[nu][3] = gamma_sign[6+nu][18];
// write to stdout
if(g_cart_id == 0) {
fprintf(stdout, "# gamma_%d5 = (%f %d, %f %d, %f %d, %f %d)\n", nu,
gperm_sign[nu][0], gperm[nu][0], gperm_sign[nu][1], gperm[nu][1],
gperm_sign[nu][2], gperm[nu][2], gperm_sign[nu][3], gperm[nu][3]);
}
}
// gamma_nu
for(nu=0;nu<4;nu++) {
// permutation
gperm2[nu][0] = gamma_permutation[nu][ 0] / 6;
gperm2[nu][1] = gamma_permutation[nu][ 6] / 6;
gperm2[nu][2] = gamma_permutation[nu][12] / 6;
gperm2[nu][3] = gamma_permutation[nu][18] / 6;
// (overall) sign
gperm2_sign[nu][0] = gamma_sign[nu][ 0];
gperm2_sign[nu][1] = gamma_sign[nu][ 6];
gperm2_sign[nu][2] = gamma_sign[nu][12];
gperm2_sign[nu][3] = gamma_sign[nu][18];
// write to stdout
if(g_cart_id == 0) {
fprintf(stdout, "# gamma_%d = (%f %d, %f %d, %f %d, %f %d)\n", nu,
gperm2_sign[nu][0], gperm2[nu][0], gperm2_sign[nu][1], gperm2[nu][1],
gperm2_sign[nu][2], gperm2[nu][2], gperm2_sign[nu][3], gperm2[nu][3]);
}
}
/**********************************************************
**********************************************************
**
** first contribution
**
**********************************************************
**********************************************************/
/**********************************************
* loop on the Lorentz index nu at source
**********************************************/
for(ia=0; ia<n_c; ia++) {
for(nu=0; nu<4; nu++)
//for(nu=0; nu<4; nu++)
{
// fprintf(stdout, "\n# [avc_exact2_lowmem_xspace] 1st part, processing nu = %d ...\n", nu);
for(ir=0; ir<4; ir++) {
// read 1 up-type propagator color components for spinor index ir
if(!mms) {
get_filename(filename, 0, 3*ir+ia, 1);
exitstatus = read_lime_spinor(g_spinor_field[0], filename, 0);
if(exitstatus != 0) {
fprintf(stderr, "\n# [avc_exact2_lowmem_xspace] Error from read_lime_spinor\n");
exit(111);
}
xchange_field(g_spinor_field[0]);
} else {
sprintf(filename, "%s.%.4d.00.%.2d.cgmms.%.2d.inverted", filename_prefix, Nconf, 3*ir+ia, mass_id);
exitstatus = read_lime_spinor(work, filename, 0);
if(exitstatus != 0) {
fprintf(stderr, "\n# [avc_exact2_lowmem_xspace] Error from read_lime_spinor\n");
exit(111);
}
xchange_field(work);
Qf5(g_spinor_field[0], work, -g_mu);
xchange_field(g_spinor_field[0]);
}
// read 1 dn-type propagator color components for spinor index gamma_perm ( ir )
if(!mms) {
if(ud_single_file) {
get_filename(filename, 0, 3*gperm[nu][ir]+ia, 1);
exitstatus = read_lime_spinor(g_spinor_field[1], filename, 1);
} else {
get_filename(filename, 0, 3*gperm[nu][ir]+ia, -1);
exitstatus = read_lime_spinor(g_spinor_field[1], filename, 0);
}
if(exitstatus != 0) {
fprintf(stderr, "\n# [avc_exact2_lowmem_xspace] Error from read_lime_spinor\n");
exit(111);
}
xchange_field(g_spinor_field[1]);
} else {
sprintf(filename, "%s.%.4d.%.2d.%.2d.cgmms.%.2d.inverted", filename_prefix, Nconf, 4, 3*gperm[nu][ir]+ia, mass_id);
exitstatus = read_lime_spinor(work, filename, 0);
if(exitstatus != 0) {
fprintf(stderr, "\n# [avc_exact2_lowmem_xspace] Error from read_lime_spinor\n");
exit(111);
}
xchange_field(work);
Qf5(g_spinor_field[1], work, g_mu);
xchange_field(g_spinor_field[1]);
}
phi = g_spinor_field[0];
chi = g_spinor_field[1];
//fprintf(stdout, "\n# [nu5] spin index pair (%d, %d); col index %d\n", ir, gperm[nu][ir], ia);
// 1) gamma_nu gamma_5 x U
for(mu=0; mu<4; mu++)
//for(mu=0; mu<1; mu++)
{
imunu = 4*mu+nu;
#ifdef OPENMP
#pragma omp parallel for private(ix, spinor1, spinor2, U_, w) shared(imunu, ia, nu, mu)
#endif
for(ix=0; ix<VOLUME; ix++) {
/*
threadid = omp_get_thread_num();
nthreads = omp_get_num_threads();
fprintf(stdout, "[thread%d] number of threads = %d\n", threadid, nthreads);
*/
_cm_eq_cm_ti_co(U_, &g_gauge_field[_GGI(ix,mu)], &co_phase_up[mu]);
_fv_eq_cm_ti_fv(spinor1, U_, phi+_GSI(g_iup[ix][mu]));
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_mi_eq_fv(spinor2, spinor1);
_fv_eq_gamma_ti_fv(spinor1, 5, spinor2);
_co_eq_fv_dag_ti_fv(&w, chi+_GSI(ix), spinor1);
if(!isimag[nu]) {
conn[_GWI(imunu,ix,VOLUME) ] += gperm_sign[nu][ir] * w.re;
conn[_GWI(imunu,ix,VOLUME)+1] += gperm_sign[nu][ir] * w.im;
} else {
conn[_GWI(imunu,ix,VOLUME) ] += gperm_sign[nu][ir] * w.im;
conn[_GWI(imunu,ix,VOLUME)+1] -= gperm_sign[nu][ir] * w.re;
}
} // of ix
#ifdef OPENMP
#pragma omp parallel for private(ix, spinor1, spinor2, U_, w) shared(imunu, ia, nu, mu)
#endif
for(ix=0; ix<VOLUME; ix++) {
_cm_eq_cm_ti_co(U_, &g_gauge_field[_GGI(ix,mu)], &co_phase_up[mu]);
_fv_eq_cm_dag_ti_fv(spinor1, U_, phi+_GSI(ix));
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_pl_eq_fv(spinor2, spinor1);
_fv_eq_gamma_ti_fv(spinor1, 5, spinor2);
_co_eq_fv_dag_ti_fv(&w, chi+_GSI(g_iup[ix][mu]), spinor1);
if(!isimag[nu]) {
conn[_GWI(imunu,ix,VOLUME) ] += gperm_sign[nu][ir] * w.re;
conn[_GWI(imunu,ix,VOLUME)+1] += gperm_sign[nu][ir] * w.im;
} else {
conn[_GWI(imunu,ix,VOLUME) ] += gperm_sign[nu][ir] * w.im;
conn[_GWI(imunu,ix,VOLUME)+1] -= gperm_sign[nu][ir] * w.re;
}
} // of ix
// contribution to local-local correlator
#ifdef OPENMP
#pragma omp parallel for private(ix, spinor1, spinor2, U_, w) shared(imunu, ia, nu, mu)
#endif
for(ix=0; ix<VOLUME; ix++) {
_fv_eq_gamma_ti_fv(spinor2, mu, phi+_GSI(ix) );
_fv_eq_gamma_ti_fv(spinor1, 5, spinor2);
_co_eq_fv_dag_ti_fv(&w, chi+_GSI(ix), spinor1);
if(!isimag[nu]) {
conn2[_GWI(imunu,ix,VOLUME) ] += gperm_sign[nu][ir] * w.re;
conn2[_GWI(imunu,ix,VOLUME)+1] += gperm_sign[nu][ir] * w.im;
} else {
conn2[_GWI(imunu,ix,VOLUME) ] += gperm_sign[nu][ir] * w.im;
conn2[_GWI(imunu,ix,VOLUME)+1] -= gperm_sign[nu][ir] * w.re;
}
} // of ix
} // of mu
} // of ir
} // of nu
} // of ia loop on colors
// normalisation of contractions
#ifdef OPENMP
#pragma omp parallel for
#endif
for(ix=0; ix<32*VOLUME; ix++) conn[ix] *= -0.5;
#ifdef OPENMP
#pragma omp parallel for
#endif
for(ix=0; ix<32*VOLUME; ix++) conn2[ix] *= -1.;
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "contractions in %e seconds\n", retime-ratime);
// save results
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(outfile_prefix_set) {
sprintf(filename, "%s/cvc_lvc_x.%.4d.t%.2dx%.2dy%.2dz%.2d", outfile_prefix, Nconf, sx0, sx1, sx2, sx3);
} else {
sprintf(filename, "cvc_lvc_x.%.4d.t%.2dx%.2dy%.2dz%.2d", Nconf, sx0, sx1, sx2, sx3);
}
sprintf(contype, "cvc - lvc in position space, all 16 components");
status = write_lime_contraction(conn, filename, 64, 16, contype, Nconf, 0);
if(status != 0) {
fprintf(stderr, "[] Error from write_lime_contractions, status was %d\n", status);
exit(16);
}
if(outfile_prefix_set) {
sprintf(filename, "%s/lvc_lvc_x.%.4d.t%.2dx%.2dy%.2dz%.2d", outfile_prefix, Nconf, sx0, sx1, sx2, sx3);
} else {
sprintf(filename, "lvc_lvc_x.%.4d.t%.2dx%.2dy%.2dz%.2d", Nconf, sx0, sx1, sx2, sx3);
}
sprintf(contype, "lvc - lvc in position space, all 16 components");
status = write_lime_contraction(conn2, filename, 64, 16, contype, Nconf, 0);
if(status != 0) {
fprintf(stderr, "[] Error from write_lime_contractions, status was %d\n", status);
exit(17);
}
#ifndef MPI
if(write_ascii) {
if(outfile_prefix_set) {
sprintf(filename, "%s/cvc_lvc_x.%.4d.ascii", outfile_prefix, Nconf);
} else {
sprintf(filename, "cvc_lvc_x.%.4d.ascii", Nconf);
}
write_contraction(conn, NULL, filename, 16, 2, 0);
if(outfile_prefix_set) {
sprintf(filename, "%s/lvc_lvc_x.%.4d.ascii", outfile_prefix, Nconf);
} else {
sprintf(filename, "lvc_lvc_x.%.4d.ascii", Nconf);
}
write_contraction(conn2, NULL, filename, 16, 2, 0);
}
#endif
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id==0) fprintf(stdout, "saved position space results in %e seconds\n", retime-ratime);
#ifndef MPI
// check the Ward identity in position space
if(check_position_space_WI) {
sprintf(filename, "WI_X.%.4d", Nconf);
ofs = fopen(filename,"w");
fprintf(stdout, "\n# [avc_exact2_lowmem_xspace] checking Ward identity in position space ...\n");
for(x0=0; x0<T; x0++) {
for(x1=0; x1<LX; x1++) {
for(x2=0; x2<LY; x2++) {
for(x3=0; x3<LZ; x3++) {
fprintf(ofs, "# t=%2d x=%2d y=%2d z=%2d\n", x0, x1, x2, x3);
ix=g_ipt[x0][x1][x2][x3];
for(nu=0; nu<4; nu++) {
w.re = conn[_GWI(4*0+nu,ix,VOLUME)] + conn[_GWI(4*1+nu,ix,VOLUME)]
+ conn[_GWI(4*2+nu,ix,VOLUME)] + conn[_GWI(4*3+nu,ix,VOLUME)]
- conn[_GWI(4*0+nu,g_idn[ix][0],VOLUME)] - conn[_GWI(4*1+nu,g_idn[ix][1],VOLUME)]
- conn[_GWI(4*2+nu,g_idn[ix][2],VOLUME)] - conn[_GWI(4*3+nu,g_idn[ix][3],VOLUME)];
w.im = conn[_GWI(4*0+nu,ix,VOLUME)+1] + conn[_GWI(4*1+nu,ix,VOLUME)+1]
+ conn[_GWI(4*2+nu,ix,VOLUME)+1] + conn[_GWI(4*3+nu,ix,VOLUME)+1]
- conn[_GWI(4*0+nu,g_idn[ix][0],VOLUME)+1] - conn[_GWI(4*1+nu,g_idn[ix][1],VOLUME)+1]
- conn[_GWI(4*2+nu,g_idn[ix][2],VOLUME)+1] - conn[_GWI(4*3+nu,g_idn[ix][3],VOLUME)+1];
fprintf(ofs, "\t%3d%25.16e%25.16e\n", nu, w.re, w.im);
}
}}}}
fclose(ofs);
}
#endif
/****************************************
* free the allocated memory, finalize
****************************************/
free(g_gauge_field);
for(i=0; i<no_fields; i++) free(g_spinor_field[i]);
free(g_spinor_field);
free_geometry();
if(conn != NULL) free(conn);
if(conn2 != NULL) free(conn2);
#ifdef MPI
free(status);
MPI_Finalize();
#endif
if(g_cart_id==0) {
g_the_time = time(NULL);
fprintf(stdout, "\n# [cvc_lvc_exact2_lowmem_xspace] %s# [cvc_lvc_exact2_lowmem_xspace] end of run\n", ctime(&g_the_time));
fprintf(stderr, "\n# [cvc_lvc_exact2_lowmem_xspace] %s# [cvc_lvc_exact2_lowmem_xspace] end of run\n", ctime(&g_the_time));
}
return(0);
}
int main(int argc, char **argv) {
int c, i, mu, nu;
int count = 0;
int filename_set = 0;
int dims[4] = {0,0,0,0};
int l_LX_at, l_LXstart_at;
int x0, x1, x2, x3, ix;
int sid;
double *disc = (double*)NULL;
double *work = (double*)NULL;
double *disc_diag = (double*)NULL;
double phase[4];
int verbose = 0;
int do_gt = 0;
char filename[100];
double ratime, retime;
double plaq;
double spinor1[24], spinor2[24], U_[18];
complex w, w1, psi1[4], psi2[4];
FILE *ofs;
fftw_complex *in=(fftw_complex*)NULL;
#ifdef MPI
fftwnd_mpi_plan plan_p, plan_m;
int *status;
#else
fftwnd_plan plan_p, plan_m;
#endif
#ifdef MPI
MPI_Init(&argc, &argv);
#endif
while ((c = getopt(argc, argv, "h?vgf:")) != -1) {
switch (c) {
case 'v':
verbose = 1;
break;
case 'g':
do_gt = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'h':
case '?':
default:
usage();
break;
}
}
/* set the default values */
set_default_input_values();
if(filename_set==0) strcpy(filename, "cvc.input");
/* read the input file */
read_input(filename);
/* some checks on the input data */
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
if(g_proc_id==0) fprintf(stdout, "T and L's must be set\n");
usage();
}
if(g_kappa == 0.) {
if(g_proc_id==0) fprintf(stdout, "kappa should be > 0.n");
usage();
}
/* initialize MPI parameters */
mpi_init(argc, argv);
#ifdef MPI
if((status = (int*)calloc(g_nproc, sizeof(int))) == (int*)NULL) {
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(7);
}
#endif
/* initialize fftw */
dims[0]=T_global; dims[1]=LX; dims[2]=LY; dims[3]=LZ;
#ifdef MPI
plan_p = fftwnd_mpi_create_plan(g_cart_grid, 4, dims, FFTW_BACKWARD, FFTW_MEASURE);
plan_m = fftwnd_mpi_create_plan(g_cart_grid, 4, dims, FFTW_FORWARD, FFTW_MEASURE);
fftwnd_mpi_local_sizes(plan_p, &T, &Tstart, &l_LX_at, &l_LXstart_at, &FFTW_LOC_VOLUME);
#else
plan_p = fftwnd_create_plan(4, dims, FFTW_BACKWARD, FFTW_MEASURE | FFTW_IN_PLACE);
plan_m = fftwnd_create_plan(4, dims, FFTW_FORWARD, FFTW_MEASURE | FFTW_IN_PLACE);
T = T_global;
Tstart = 0;
l_LX_at = LX;
l_LXstart_at = 0;
FFTW_LOC_VOLUME = T*LX*LY*LZ;
#endif
fprintf(stdout, "# [%2d] fftw parameters:\n"\
"# [%2d] T = %3d\n"\
"# [%2d] Tstart = %3d\n"\
"# [%2d] l_LX_at = %3d\n"\
"# [%2d] l_LXstart_at = %3d\n"\
"# [%2d] FFTW_LOC_VOLUME = %3d\n",
g_cart_id, g_cart_id, T, g_cart_id, Tstart, g_cart_id, l_LX_at,
g_cart_id, l_LXstart_at, g_cart_id, FFTW_LOC_VOLUME);
#ifdef MPI
if(T==0) {
fprintf(stderr, "[%2d] local T is zero; exit\n", g_cart_id);
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(2);
}
#endif
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(1);
}
geometry();
/* read the gauge field */
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
if(g_cart_id==0) fprintf(stdout, "reading gauge field from file %s\n", filename);
read_lime_gauge_field_doubleprec(filename);
#ifdef MPI
xchange_gauge();
#endif
/* measure the plaquette */
plaquette(&plaq);
if(g_cart_id==0) fprintf(stdout, "measured plaquette value: %25.16e\n", plaq);
/* allocate memory for the spinor fields */
no_fields = 2;
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
for(i=0; i<no_fields; i++) alloc_spinor_field(&g_spinor_field[i], VOLUMEPLUSRAND);
/* allocate memory for the contractions */
disc = (double*)calloc(8*VOLUME, sizeof(double));
work = (double*)calloc(20*VOLUME, sizeof(double));
if( (disc==(double*)NULL) || (work==(double*)NULL) ) {
fprintf(stderr, "could not allocate memory for disc/work\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(3);
}
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
if(g_subtract == 1) {
/* allocate memory for disc_diag */
disc_diag = (double*)calloc(20*VOLUME, sizeof(double));
if( disc_diag == (double*)NULL ) {
fprintf(stderr, "could not allocate memory for disc_diag\n");
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(8);
}
for(ix=0; ix<20*VOLUME; ix++) disc_diag[ix] = 0.;
}
/* prepare Fourier transformation arrays */
in = (fftw_complex*)malloc(FFTW_LOC_VOLUME*sizeof(fftw_complex));
if(in==(fftw_complex*)NULL) {
#ifdef MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(4);
}
if(g_resume==1) { /* read current disc from file */
sprintf(filename, ".outcvc_current.%.4d", Nconf);
c = read_contraction(disc, &count, filename, 4);
if( (g_subtract==1) && (c==0) ) {
sprintf(filename, ".outcvc_diag_current.%.4d", Nconf);
c = read_contraction(disc_diag, (int*)NULL, filename, 10);
}
#ifdef MPI
MPI_Gather(&c, 1, MPI_INT, status, 1, MPI_INT, 0, g_cart_grid);
if(g_cart_id==0) {
/* check the entries in status */
for(i=0; i<g_nproc; i++)
if(status[i]!=0) { status[0] = 1; break; }
}
MPI_Bcast(status, 1, MPI_INT, 0, g_cart_grid);
if(status[0]==1) {
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
count = 0;
}
#else
if(c != 0) {
fprintf(stdout, "could not read current disc; start new\n");
for(ix=0; ix<8*VOLUME; ix++) disc[ix] = 0.;
if(g_subtract==1) for(ix=0; ix<20*VOLUME; ix++) disc_diag[ix] = 0.;
count = 0;
}
#endif
if(g_cart_id==0) fprintf(stdout, "starting with count = %d\n", count);
} /* of g_resume == 1 */
/* start loop on source id.s */
for(sid=g_sourceid; sid<=g_sourceid2; sid++) {
/* read the new propagator */
/* sprintf(filename, "%s.%.4d.%.2d", filename_prefix, Nconf, sid); */
sprintf(filename, "source.%.4d.%.2d.inverted", Nconf, sid);
if(format==0) {
if(read_lime_spinor(g_spinor_field[1], filename, 0) != 0) break;
}
else if(format==1) {
if(read_cmi(g_spinor_field[1], filename) != 0) break;
}
count++;
xchange_field(g_spinor_field[1]);
/* calculate the source: apply Q_phi_tbc */
Q_phi_tbc(g_spinor_field[0], g_spinor_field[1]);
xchange_field(g_spinor_field[0]);
/*
sprintf(filename, "%s.source.%.2d", filename, g_cart_id);
ofs = fopen(filename, "w");
printf_spinor_field(g_spinor_field[0], ofs);
fclose(ofs);
*/
/* add new contractions to (existing) disc */
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
for(ix=0; ix<VOLUME; ix++) { /* loop on lattice sites */
for(mu=0; mu<4; mu++) { /* loop on Lorentz index of the current */
_cm_eq_cm_ti_co(U_, &g_gauge_field[_GGI(ix, mu)], &co_phase_up[mu]);
/* first contribution */
_fv_eq_cm_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(g_iup[ix][mu])]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_mi_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(ix)], spinor2);
disc[_GJI(ix, mu) ] -= 0.25 * w.re;
disc[_GJI(ix, mu)+1] -= 0.25 * w.im;
if(g_subtract==1) {
work[_GWI(mu,ix,VOLUME) ] = -0.25 * w.re;
work[_GWI(mu,ix,VOLUME)+1] = -0.25 * w.im;
}
/* second contribution */
_fv_eq_cm_dag_ti_fv(spinor1, U_, &g_spinor_field[1][_GSI(ix)]);
_fv_eq_gamma_ti_fv(spinor2, mu, spinor1);
_fv_pl_eq_fv(spinor2, spinor1);
_co_eq_fv_dag_ti_fv(&w, &g_spinor_field[0][_GSI(g_iup[ix][mu])], spinor2);
disc[_GJI(ix, mu) ] -= 0.25 * w.re;
disc[_GJI(ix, mu)+1] -= 0.25 * w.im;
if(g_subtract==1) {
work[_GWI(mu,ix,VOLUME) ] -= 0.25 * w.re;
work[_GWI(mu,ix,VOLUME)+1] -= 0.25 * w.im;
}
}
}
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
fprintf(stdout, "[%2d] contractions in %e seconds\n", g_cart_id, retime-ratime);
if(g_subtract==1) {
/* add current contribution to disc_diag */
for(mu=0; mu<4; mu++) {
for(i=0; i<4; i++) phase[i] = (double)(i==mu);
memcpy((void*)in, (void*)&work[_GWI(mu,0,VOLUME)], 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_m, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_m, in, NULL);
#endif
for(x0=0; x0<T; x0++) {
for(x1=0; x1<LX; x1++) {
for(x2=0; x2<LY; x2++) {
for(x3=0; x3<LZ; x3++) {
ix = g_ipt[x0][x1][x2][x3];
w.re = cos( M_PI *
(phase[0]*(double)(Tstart+x0)/(double)T_global + phase[1]*(double)x1/(double)LX +
phase[2]*(double)x2/(double)LY + phase[3]*(double)x3/(double)LZ) );
w.im = -sin( M_PI *
(phase[0]*(double)(Tstart+x0)/(double)T_global + phase[1]*(double)x1/(double)LX +
phase[2]*(double)x2/(double)LY + phase[3]*(double)x3/(double)LZ) );
_co_eq_co_ti_co(&w1, &in[ix], &w);
work[_GWI(4+mu,ix,VOLUME) ] = w1.re;
work[_GWI(4+mu,ix,VOLUME)+1] = w1.im;
}
}
}
}
memcpy((void*)in, (void*)&work[_GWI(mu,0,VOLUME)], 2*VOLUME*sizeof(double));
#ifdef MPI
fftwnd_mpi(plan_p, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_p, in, NULL);
#endif
for(x0=0; x0<T; x0++) {
for(x1=0; x1<LX; x1++) {
for(x2=0; x2<LY; x2++) {
for(x3=0; x3<LZ; x3++) {
ix = g_ipt[x0][x1][x2][x3];
w.re = cos( M_PI *
(phase[0]*(double)(Tstart+x0)/(double)T_global + phase[1]*(double)x1/(double)LX +
phase[2]*(double)x2/(double)LY + phase[3]*(double)x3/(double)LZ) );
w.im = sin( M_PI *
(phase[0]*(double)(Tstart+x0)/(double)T_global + phase[1]*(double)x1/(double)LX +
phase[2]*(double)x2/(double)LY + phase[3]*(double)x3/(double)LZ) );
_co_eq_co_ti_co(&w1, &in[ix], &w);
work[_GWI(mu,ix,VOLUME) ] = w1.re;
work[_GWI(mu,ix,VOLUME)+1] = w1.im;
}
}
}
}
} /* of mu */
for(ix=0; ix<VOLUME; ix++) {
i=-1;
for(mu=0; mu<4; mu++) {
for(nu=mu; nu<4; nu++) {
i++;
_co_eq_co_ti_co(&w, (complex*)&work[_GWI(mu,ix,VOLUME)], (complex*)&work[_GWI(4+nu,ix,VOLUME)]);
disc_diag[_GWI(ix,i,10) ] += w.re;
disc_diag[_GWI(ix,i,10)+1] += w.im;
}
}
}
} /* of g_subtract == 1 */
/* save results for count = multiple of Nsave */
if(count%Nsave == 0) {
#ifdef MPI
ratime = MPI_Wtime();
#else
ratime = (double)clock() / CLOCKS_PER_SEC;
#endif
if(g_cart_id == 0) fprintf(stdout, "save results for count = %d\n", count);
/* save the result in position space */
sprintf(filename, "outcvc_X.%.4d.%.4d", Nconf, count);
write_contraction(disc, NULL, filename, 4, 1, 0);
/* Fourier transform data, copy to work */
for(mu=0; mu<4; mu++) {
for(i=0; i<4; i++) phase[i] = (double)(i==mu);
for(ix=0; ix<VOLUME; ix++) {
in[ix].re = disc[_GJI(ix,mu) ];
in[ix].im = disc[_GJI(ix,mu)+1];
}
#ifdef MPI
fftwnd_mpi(plan_m, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_m, in, NULL);
#endif
for(x0=0; x0<T; x0++) {
for(x1=0; x1<LX; x1++) {
for(x2=0; x2<LY; x2++) {
for(x3=0; x3<LZ; x3++) {
ix = g_ipt[x0][x1][x2][x3];
w.re = cos( M_PI *
(phase[0]*(double)(Tstart+x0)/(double)T_global + phase[1]*(double)x1/(double)LX +
phase[2]*(double)x2/(double)LY + phase[3]*(double)x3/(double)LZ) );
w.im = -sin( M_PI *
(phase[0]*(double)(Tstart+x0)/(double)T_global + phase[1]*(double)x1/(double)LX +
phase[2]*(double)x2/(double)LY + phase[3]*(double)x3/(double)LZ) );
_co_eq_co_ti_co(&w1, &in[ix], &w);
work[_GWI(ix,4+mu,8) ] = w1.re / (double)count;
work[_GWI(ix,4+mu,8)+1] = w1.im / (double)count;
}
}
}
}
for(ix=0; ix<VOLUME; ix++) {
in[ix].re = disc[_GJI(ix, mu) ];
in[ix].im = disc[_GJI(ix, mu)+1];
}
#ifdef MPI
fftwnd_mpi(plan_p, 1, in, NULL, FFTW_NORMAL_ORDER);
#else
fftwnd_one(plan_p, in, NULL);
#endif
for(x0=0; x0<T; x0++) {
for(x1=0; x1<LX; x1++) {
for(x2=0; x2<LY; x2++) {
for(x3=0; x3<LZ; x3++) {
ix = g_ipt[x0][x1][x2][x3];
w.re = cos( M_PI *
(phase[0]*(double)(Tstart+x0)/(double)T_global + phase[1]*(double)x1/(double)LX +
phase[2]*(double)x2/(double)LY + phase[3]*(double)x3/(double)LZ) );
w.im = sin( M_PI *
(phase[0]*(double)(Tstart+x0)/(double)T_global + phase[1]*(double)x1/(double)LX +
phase[2]*(double)x2/(double)LY + phase[3]*(double)x3/(double)LZ) );
_co_eq_co_ti_co(&w1, &in[ix], &w);
work[_GWI(ix,mu,8) ] = w1.re / (double)count;
work[_GWI(ix,mu,8)+1] = w1.im / (double)count;
}
}
}
}
} /* of mu =0 ,..., 3*/
/* save the result in momentum space */
sprintf(filename, "outcvc_P.%.4d.%.4d", Nconf, count);
write_contraction(work, NULL, filename, 8, 1, 0);
/* calculate the correlations 00, 01, 02, 03, 11, 12, ..., 23, 33 */
for(ix=VOLUME-1; ix>=0; ix--) {
/* copy current data to auxilliary vector */
memcpy((void*)psi1, (void*)&work[_GWI(ix,0,8)], 8*sizeof(double));
memcpy((void*)psi2, (void*)&work[_GWI(ix,4,8)], 8*sizeof(double));
i = -1;
for(mu=0; mu<4; mu++) {
for(nu=mu; nu<4; nu++) {
i++;
_co_eq_co_ti_co(&w,&psi1[mu],&psi2[nu]);
if(g_subtract !=1 ) {
work[_GWI(ix,i,10) ] = w.re / (double)(T_global*LX*LY*LZ);
work[_GWI(ix,i,10)+1] = w.im / (double)(T_global*LX*LY*LZ);
}
else {
work[_GWI(ix,i,10) ] =
( w.re - disc_diag[_GWI(ix,i,10) ]/(double)(count*count) ) /
(double)(T_global*LX*LY*LZ);
work[_GWI(ix,i,10)+1] =
( w.im - disc_diag[_GWI(ix,i,10)+1]/(double)(count*count) ) /
(double)(T_global*LX*LY*LZ);
}
}
}
}
/* save current results to file */
sprintf(filename, "outcvc_final.%.4d.%.4d", Nconf, count);
write_contraction(work, (int*)NULL, filename, 10, 1, 0);
#ifdef MPI
retime = MPI_Wtime();
#else
retime = (double)clock() / CLOCKS_PER_SEC;
#endif
fprintf(stdout, "[%2d] time to save results: %e seconds\n", g_cart_id, retime-ratime);
} /* of count % Nsave == 0 */
} /* of loop on sid */
/* write current disc to file */
sprintf(filename, ".outcvc_current.%.4d", Nconf);
write_contraction(disc, &count, filename, 4, 0, 0);
if(g_subtract == 1) {
/* write current disc_diag to file */
sprintf(filename, ".outcvc_diag_current.%.4d", Nconf);
write_contraction(disc_diag, (int*)NULL, filename, 10, 0, 0);
}
/* free the allocated memory, finalize */
free(g_gauge_field); g_gauge_field=(double*)NULL;
for(i=0; i<no_fields; i++) {
free(g_spinor_field[i]);
g_spinor_field[i] = (double*)NULL;
}
free(g_spinor_field); g_spinor_field=(double**)NULL;
free_geometry();
fftw_free(in);
free(disc);
free(work);
if(g_subtract==1) free(disc_diag);
#ifdef MPI
fftwnd_mpi_destroy_plan(plan_p);
fftwnd_mpi_destroy_plan(plan_m);
free(status);
MPI_Finalize();
#else
fftwnd_destroy_plan(plan_p);
fftwnd_destroy_plan(plan_m);
#endif
return(0);
}
