static git_time_t approxidate_str(const char *date,
time_t time_sec,
int *error_ret)
{
int number = 0;
int touched = 0;
struct tm tm = {0}, now;
p_localtime_r(&time_sec, &tm);
now = tm;
tm.tm_year = -1;
tm.tm_mon = -1;
tm.tm_mday = -1;
for (;;) {
unsigned char c = *date;
if (!c)
break;
date++;
if (isdigit(c)) {
pending_number(&tm, &number);
date = approxidate_digit(date-1, &tm, &number);
touched = 1;
continue;
}
if (isalpha(c))
date = approxidate_alpha(date-1, &tm, &now, &number, &touched);
}
pending_number(&tm, &number);
if (!touched)
*error_ret = 1;
return update_tm(&tm, &now, 0);
}
static int approxidate_str(const char *date, struct timeval *tv)
{
int number = 0;
int touched = 0;
struct atm tm, now;
time_t time_sec;
time_sec = tv->tv_sec;
localtime_r(&time_sec, (struct tm*) &tm);
now = tm;
tm.tm_year = -1;
tm.tm_mon = -1;
tm.tm_mday = -1;
tm.tm_usec = tv->tv_usec;
for (;;) {
unsigned char c = *date;
if (!c)
break;
date++;
if (isdigit(c)) {
pending_number(&tm, &number);
date = approxidate_digit(date-1, &tm, &number);
touched = 1;
continue;
}
if (isalpha(c))
date = approxidate_alpha(date-1, &tm, &now, &number, &touched);
}
pending_number(&tm, &number);
if (!touched)
return -1;
tv->tv_usec = tm.tm_usec;
tv->tv_sec = update_tm(&tm, &now, 0);
return 0;
}
static const char *approxidate_alpha(const char *date, struct tm *tm, struct tm *now, int *num, int *touched)
{
const struct typelen *tl;
const struct special *s;
const char *end = date;
int i;
while (isalpha(*++end))
;
for (i = 0; i < 12; i++) {
int match = match_string(date, month_names[i]);
if (match >= 3) {
tm->tm_mon = i;
*touched = 1;
return end;
}
}
for (s = special; s->name; s++) {
int len = strlen(s->name);
if (match_string(date, s->name) == len) {
s->fn(tm, now, num);
*touched = 1;
return end;
}
}
if (!*num) {
for (i = 1; i < 11; i++) {
int len = strlen(number_name[i]);
if (match_string(date, number_name[i]) == len) {
*num = i;
*touched = 1;
return end;
}
}
if (match_string(date, "last") == 4) {
*num = 1;
*touched = 1;
}
return end;
}
tl = typelen;
while (tl->type) {
int len = strlen(tl->type);
if (match_string(date, tl->type) >= len-1) {
update_tm(tm, now, tl->length * *num);
*num = 0;
*touched = 1;
return end;
}
tl++;
}
for (i = 0; i < 7; i++) {
int match = match_string(date, weekday_names[i]);
if (match >= 3) {
int diff, n = *num -1;
*num = 0;
diff = tm->tm_wday - i;
if (diff <= 0)
n++;
diff += 7*n;
update_tm(tm, now, diff * 24 * 60 * 60);
*touched = 1;
return end;
}
}
if (match_string(date, "months") >= 5) {
int n;
update_tm(tm, now, 0); /* fill in date fields if needed */
n = tm->tm_mon - *num;
*num = 0;
while (n < 0) {
n += 12;
tm->tm_year--;
}
tm->tm_mon = n;
*touched = 1;
return end;
}
if (match_string(date, "years") >= 4) {
update_tm(tm, now, 0); /* fill in date fields if needed */
tm->tm_year -= *num;
*num = 0;
*touched = 1;
return end;
}
return end;
}
static void date_yesterday(struct tm *tm, struct tm *now, int *num)
{
update_tm(tm, now, 24*60*60);
}
static void date_now(struct tm *tm, struct tm *now, int *num)
{
update_tm(tm, now, 0);
}
static void date_yesterday(struct tm *tm, struct tm *now, int *num)
{
GIT_UNUSED(num);
update_tm(tm, now, 24*60*60);
}
static void date_now(struct tm *tm, struct tm *now, int *num)
{
GIT_UNUSED(num);
update_tm(tm, now, 0);
}
int main(int argc,char *argv[]) {
FILE *parameterfile=NULL, *countfile=NULL;
char *filename = NULL;
char datafilename[50];
char parameterfilename[50];
char gauge_filename[50];
char nstore_filename[50];
char tmp_filename[50];
char *input_filename = NULL;
int status = 0, accept = 0;
int j,ix,mu, trajectory_counter=1;
struct timeval t1;
/* Energy corresponding to the Gauge part */
double plaquette_energy = 0., rectangle_energy = 0.;
/* Acceptance rate */
int Rate=0;
/* Do we want to perform reversibility checks */
/* See also return_check_flag in read_input.h */
int return_check = 0;
/* For getopt */
int c;
paramsXlfInfo *xlfInfo;
/* For online measurements */
measurement * meas;
int imeas;
#ifdef _KOJAK_INST
#pragma pomp inst init
#pragma pomp inst begin(main)
#endif
#if (defined SSE || defined SSE2 || SSE3)
signal(SIGILL,&catch_ill_inst);
#endif
strcpy(gauge_filename,"conf.save");
strcpy(nstore_filename,".nstore_counter");
strcpy(tmp_filename, ".conf.tmp");
verbose = 1;
g_use_clover_flag = 0;
#ifdef MPI
# ifdef OMP
int mpi_thread_provided;
MPI_Init_thread(&argc, &argv, MPI_THREAD_SERIALIZED, &mpi_thread_provided);
# else
MPI_Init(&argc, &argv);
# endif
MPI_Comm_rank(MPI_COMM_WORLD, &g_proc_id);
#else
g_proc_id = 0;
#endif
while ((c = getopt(argc, argv, "h?vVf:o:")) != -1) {
switch (c) {
case 'f':
input_filename = calloc(200, sizeof(char));
strcpy(input_filename,optarg);
break;
case 'o':
filename = calloc(200, sizeof(char));
strcpy(filename,optarg);
break;
case 'v':
verbose = 1;
break;
case 'V':
fprintf(stdout,"%s %s\n",PACKAGE_STRING,git_hash);
exit(0);
break;
case 'h':
case '?':
default:
usage();
break;
}
}
if(input_filename == NULL){
input_filename = "hmc.input";
}
if(filename == NULL){
filename = "output";
}
/* Read the input file */
if( (status = read_input(input_filename)) != 0) {
fprintf(stderr, "Could not find input file: %s\nAborting...\n", input_filename);
exit(-1);
}
/* set number of omp threads to be used */
#ifdef OMP
if(omp_num_threads > 0)
{
omp_set_num_threads(omp_num_threads);
}
else {
if( g_proc_id == 0 )
printf("# No value provided for OmpNumThreads, running in single-threaded mode!\n");
omp_num_threads = 1;
omp_set_num_threads(omp_num_threads);
}
init_omp_accumulators(omp_num_threads);
#endif
DUM_DERI = 4;
DUM_SOLVER = DUM_DERI+1;
DUM_MATRIX = DUM_SOLVER+6;
if(g_running_phmc) {
NO_OF_SPINORFIELDS = DUM_MATRIX+8;
}
else {
NO_OF_SPINORFIELDS = DUM_MATRIX+6;
}
DUM_BI_DERI = 6;
DUM_BI_SOLVER = DUM_BI_DERI+7;
DUM_BI_MATRIX = DUM_BI_SOLVER+6;
NO_OF_BISPINORFIELDS = DUM_BI_MATRIX+6;
tmlqcd_mpi_init(argc, argv);
if(nstore == -1) {
countfile = fopen(nstore_filename, "r");
if(countfile != NULL) {
j = fscanf(countfile, "%d %d %s\n", &nstore, &trajectory_counter, gauge_input_filename);
if(j < 1) nstore = 0;
if(j < 2) trajectory_counter = 0;
fclose(countfile);
}
else {
nstore = 0;
trajectory_counter = 0;
}
}
#ifndef MPI
g_dbw2rand = 0;
#endif
g_mu = g_mu1;
#ifdef _GAUGE_COPY
status = init_gauge_field(VOLUMEPLUSRAND + g_dbw2rand, 1);
#else
status = init_gauge_field(VOLUMEPLUSRAND + g_dbw2rand, 0);
#endif
if (status != 0) {
fprintf(stderr, "Not enough memory for gauge_fields! Aborting...\n");
exit(0);
}
j = init_geometry_indices(VOLUMEPLUSRAND + g_dbw2rand);
if (j != 0) {
fprintf(stderr, "Not enough memory for geometry_indices! Aborting...\n");
exit(0);
}
if(even_odd_flag) {
j = init_spinor_field(VOLUMEPLUSRAND/2, NO_OF_SPINORFIELDS);
}
else {
j = init_spinor_field(VOLUMEPLUSRAND, NO_OF_SPINORFIELDS);
}
if (j != 0) {
fprintf(stderr, "Not enough memory for spinor fields! Aborting...\n");
exit(0);
}
if(even_odd_flag) {
j = init_csg_field(VOLUMEPLUSRAND/2);
}
else {
j = init_csg_field(VOLUMEPLUSRAND);
}
if (j != 0) {
fprintf(stderr, "Not enough memory for csg fields! Aborting...\n");
exit(0);
}
j = init_moment_field(VOLUME, VOLUMEPLUSRAND + g_dbw2rand);
if (j != 0) {
fprintf(stderr, "Not enough memory for moment fields! Aborting...\n");
exit(0);
}
if(g_running_phmc) {
j = init_bispinor_field(VOLUME/2, NO_OF_BISPINORFIELDS);
if (j!= 0) {
fprintf(stderr, "Not enough memory for bi-spinor fields! Aborting...\n");
exit(0);
}
}
/* list and initialize measurements*/
if(g_proc_id == 0) {
printf("\n");
for(j = 0; j < no_measurements; j++) {
printf("# measurement id %d, type = %d: Frequency %d\n", j, measurement_list[j].type, measurement_list[j].freq);
}
}
init_measurements();
/*construct the filenames for the observables and the parameters*/
strcpy(datafilename,filename);
strcat(datafilename,".data");
strcpy(parameterfilename,filename);
strcat(parameterfilename,".para");
if(g_proc_id == 0){
parameterfile = fopen(parameterfilename, "a");
write_first_messages(parameterfile, "hmc", git_hash);
}
/* define the geometry */
geometry();
/* define the boundary conditions for the fermion fields */
boundary(g_kappa);
status = check_geometry();
if (status != 0) {
fprintf(stderr, "Checking of geometry failed. Unable to proceed.\nAborting....\n");
exit(1);
}
#ifdef _USE_HALFSPINOR
j = init_dirac_halfspinor();
if (j!= 0) {
fprintf(stderr, "Not enough memory for halffield! Aborting...\n");
exit(-1);
}
if(g_sloppy_precision_flag == 1) {
init_dirac_halfspinor32();
}
# if (defined _PERSISTENT)
init_xchange_halffield();
# endif
#endif
/* Initialise random number generator */
start_ranlux(rlxd_level, random_seed^nstore );
/* Set up the gauge field */
/* continue and restart */
if(startoption==3 || startoption == 2) {
if(g_proc_id == 0) {
printf("# Trying to read gauge field from file %s in %s precision.\n",
gauge_input_filename, (gauge_precision_read_flag == 32 ? "single" : "double"));
fflush(stdout);
}
if( (status = read_gauge_field(gauge_input_filename)) != 0) {
fprintf(stderr, "Error %d while reading gauge field from %s\nAborting...\n", status, gauge_input_filename);
exit(-2);
}
if (g_proc_id == 0){
printf("# Finished reading gauge field.\n");
fflush(stdout);
}
}
else if (startoption == 1) {
/* hot */
random_gauge_field(reproduce_randomnumber_flag, g_gauge_field);
}
else if(startoption == 0) {
/* cold */
unit_g_gauge_field();
}
/*For parallelization: exchange the gaugefield */
#ifdef MPI
xchange_gauge(g_gauge_field);
#endif
if(even_odd_flag) {
j = init_monomials(VOLUMEPLUSRAND/2, even_odd_flag);
}
else {
j = init_monomials(VOLUMEPLUSRAND, even_odd_flag);
}
if (j != 0) {
fprintf(stderr, "Not enough memory for monomial pseudo fermion fields! Aborting...\n");
exit(0);
}
init_integrator();
if(g_proc_id == 0) {
for(j = 0; j < no_monomials; j++) {
printf("# monomial id %d type = %d timescale %d\n", j, monomial_list[j].type, monomial_list[j].timescale);
}
}
plaquette_energy = measure_gauge_action( (const su3**) g_gauge_field);
if(g_rgi_C1 > 0. || g_rgi_C1 < 0.) {
rectangle_energy = measure_rectangles( (const su3**) g_gauge_field);
if(g_proc_id == 0){
fprintf(parameterfile,"# Computed rectangle value: %14.12f.\n",rectangle_energy/(12.*VOLUME*g_nproc));
}
}
//eneg = g_rgi_C0 * plaquette_energy + g_rgi_C1 * rectangle_energy;
if(g_proc_id == 0) {
fprintf(parameterfile,"# Computed plaquette value: %14.12f.\n", plaquette_energy/(6.*VOLUME*g_nproc));
printf("# Computed plaquette value: %14.12f.\n", plaquette_energy/(6.*VOLUME*g_nproc));
fclose(parameterfile);
}
/* set ddummy to zero */
for(ix = 0; ix < VOLUMEPLUSRAND; ix++){
for(mu=0; mu<4; mu++){
ddummy[ix][mu].d1=0.;
ddummy[ix][mu].d2=0.;
ddummy[ix][mu].d3=0.;
ddummy[ix][mu].d4=0.;
ddummy[ix][mu].d5=0.;
ddummy[ix][mu].d6=0.;
ddummy[ix][mu].d7=0.;
ddummy[ix][mu].d8=0.;
}
}
if(g_proc_id == 0) {
gettimeofday(&t1,NULL);
countfile = fopen("history_hmc_tm", "a");
fprintf(countfile, "!!! Timestamp %ld, Nsave = %d, g_mu = %e, g_mu1 = %e, g_mu_2 = %e, g_mu3 = %e, beta = %f, kappa = %f, C1 = %f, ",
t1.tv_sec, Nsave, g_mu, g_mu1, g_mu2, g_mu3, g_beta, g_kappa, g_rgi_C1);
for(j = 0; j < Integrator.no_timescales; j++) {
fprintf(countfile, "n_int[%d] = %d ", j, Integrator.no_mnls_per_ts[j]);
}
fprintf(countfile, "\n");
fclose(countfile);
}
/* Loop for measurements */
for(j = 0; j < Nmeas; j++) {
if(g_proc_id == 0) {
printf("#\n# Starting trajectory no %d\n", trajectory_counter);
}
return_check = return_check_flag && (trajectory_counter%return_check_interval == 0);
accept = update_tm(&plaquette_energy, &rectangle_energy, datafilename,
return_check, Ntherm<trajectory_counter, trajectory_counter);
Rate += accept;
/* Save gauge configuration all Nsave times */
if((Nsave !=0) && (trajectory_counter%Nsave == 0) && (trajectory_counter!=0)) {
sprintf(gauge_filename,"conf.%.4d", nstore);
if(g_proc_id == 0) {
countfile = fopen("history_hmc_tm", "a");
fprintf(countfile, "%.4d, measurement %d of %d, Nsave = %d, Plaquette = %e, trajectory nr = %d\n",
nstore, j, Nmeas, Nsave, plaquette_energy/(6.*VOLUME*g_nproc),
trajectory_counter);
fclose(countfile);
}
nstore ++;
}
else {
sprintf(gauge_filename,"conf.save");
}
if(((Nsave !=0) && (trajectory_counter%Nsave == 0) && (trajectory_counter!=0)) || (write_cp_flag == 1) || (j >= (Nmeas - 1))) {
/* If a reversibility check was performed this trajectory, and the trajectory was accepted,
* then the configuration is currently stored in .conf.tmp, written out by update_tm.
* In that case also a readback was performed, so no need to test .conf.tmp
* In all other cases the gauge configuration still needs to be written out here. */
if (!(return_check && accept)) {
xlfInfo = construct_paramsXlfInfo(plaquette_energy/(6.*VOLUME*g_nproc), trajectory_counter);
if (g_proc_id == 0) {
fprintf(stdout, "# Writing gauge field to %s.\n", tmp_filename);
}
if((status = write_gauge_field( tmp_filename, gauge_precision_write_flag, xlfInfo) != 0 )) {
/* Writing the gauge field failed directly */
fprintf(stderr, "Error %d while writing gauge field to %s\nAborting...\n", status, tmp_filename);
exit(-2);
}
if (!g_disable_IO_checks) {
#ifdef HAVE_LIBLEMON
/* Read gauge field back to verify the writeout */
if (g_proc_id == 0) {
fprintf(stdout, "# Write completed, verifying write...\n");
}
if( (status = read_gauge_field(tmp_filename)) != 0) {
fprintf(stderr, "WARNING, writeout of %s returned no error, but verification discovered errors.\n", tmp_filename);
fprintf(stderr, "Potential disk or MPI I/O error. Aborting...\n");
exit(-3);
}
if (g_proc_id == 0) {
fprintf(stdout, "# Write successfully verified.\n");
}
#else
if (g_proc_id == 0) {
fprintf(stdout, "# Write completed successfully.\n");
}
#endif
}
free(xlfInfo);
}
/* Now move .conf.tmp into place */
if(g_proc_id == 0) {
fprintf(stdout, "# Renaming %s to %s.\n", tmp_filename, gauge_filename);
if (rename(tmp_filename, gauge_filename) != 0) {
/* Errno can be inspected here for more descriptive error reporting */
fprintf(stderr, "Error while trying to rename temporary file %s to %s. Unable to proceed.\n", tmp_filename, gauge_filename);
exit(-2);
}
countfile = fopen(nstore_filename, "w");
fprintf(countfile, "%d %d %s\n", nstore, trajectory_counter+1, gauge_filename);
fclose(countfile);
}
}
/* online measurements */
for(imeas = 0; imeas < no_measurements; imeas++){
meas = &measurement_list[imeas];
if(trajectory_counter%meas->freq == 0){
if (g_proc_id == 0) {
fprintf(stdout, "#\n# Beginning online measurement.\n");
}
meas->measurefunc(trajectory_counter, imeas, even_odd_flag);
}
}
if(g_proc_id == 0) {
verbose = 1;
}
ix = reread_input("hmc.reread");
if(g_proc_id == 0) {
verbose = 0;
}
#ifdef MPI
MPI_Barrier(MPI_COMM_WORLD);
#endif
if(ix == 0 && g_proc_id == 0) {
countfile = fopen("history_hmc_tm", "a");
fprintf(countfile, "# Changed input parameters according to hmc.reread: measurement %d of %d\n", j, Nmeas);
fclose(countfile);
printf("# Changed input parameters according to hmc.reread (see stdout): measurement %d of %d\n", j, Nmeas);
remove("hmc.reread");
}
trajectory_counter++;
} /* end of loop over trajectories */
if(g_proc_id == 0 && Nmeas != 0) {
printf("# Acceptance rate was %3.2f percent, %d out of %d trajectories accepted.\n", 100.*(double)Rate/(double)Nmeas, Rate, Nmeas);
fflush(stdout);
parameterfile = fopen(parameterfilename, "a");
fprintf(parameterfile, "# Acceptance rate was %3.2f percent, %d out of %d trajectories accepted.\n", 100.*(double)Rate/(double)Nmeas, Rate, Nmeas);
fclose(parameterfile);
}
#ifdef MPI
MPI_Finalize();
#endif
#ifdef OMP
free_omp_accumulators();
#endif
free_gauge_tmp();
free_gauge_field();
free_geometry_indices();
free_spinor_field();
free_moment_field();
free_monomials();
if(g_running_phmc) {
free_bispinor_field();
free_chi_spinor_field();
}
return(0);
#ifdef _KOJAK_INST
#pragma pomp inst end(main)
#endif
}
static const char *approxidate_alpha(const char *date, struct tm *tm, struct tm *now, int *num, int *touched)
{
const struct typelen *tl;
const struct special *s;
const char *end = date;
int i;
while (isalpha(*++end))
;
for (i = 0; i < 12; i++) {
int match = match_string(date, month_names[i]);
if (match >= 3) {
tm->tm_mon = i;
*touched = 1;
return end;
}
}
for (s = special; s->name; s++) {
int len = strlen(s->name);
if (match_string(date, s->name) == len) {
s->fn(tm, now, num);
*touched = 1;
return end;
}
}
for (i = 0; i < ARRAY_SIZE(timezone_names); i++) {
int match = match_string(date, timezone_names[i].name);
if (match >= 3 || match == strlen(timezone_names[i].name)) {
int off = timezone_names[i].offset;
/* This is bogus, but we like summer */
off += timezone_names[i].dst;
update_tm(tm, now, 60*60*off);
*touched = 1;
return end;
}
}
if (!*num) {
for (i = 1; i < 11; i++) {
int len = strlen(number_name[i]);
if (match_string(date, number_name[i]) == len) {
*num = i;
*touched = 1;
return end;
}
}
if (match_string(date, "last") == 4) {
*num = 1;
*touched = 1;
}
return end;
}
tl = typelen;
while (tl->type) {
int len = strlen(tl->type);
if (match_string(date, tl->type) >= len-1) {
int plus_or_minus = 1;
const char *ptr = date;
ptr = ptr+len+1;
if (match_string(ptr, "ago") >= 3)
plus_or_minus = -1;
update_tm(tm, now, tl->length * *num * plus_or_minus);
*num = 0;
*touched = 1;
return end;
}
tl++;
}
for (i = 0; i < 7; i++) {
int match = match_string(date, weekday_names[i]);
if (match >= 3) {
int diff, n = *num -1;
*num = 0;
diff = tm->tm_wday - i;
if (diff <= 0)
n++;
diff += 7*n;
update_tm(tm, now, diff * 24 * 60 * 60);
*touched = 1;
return end;
}
}
if (match_string(date, "months") >= 5) {
int n;
update_tm(tm, now, 0); /* fill in date fields if needed */
n = tm->tm_mon - *num;
*num = 0;
while (n < 0) {
n += 12;
tm->tm_year--;
}
tm->tm_mon = n;
*touched = 1;
return end;
}
if (match_string(date, "years") >= 4) {
update_tm(tm, now, 0); /* fill in date fields if needed */
tm->tm_year -= *num;
*num = 0;
*touched = 1;
return end;
}
return end;
}
static void date_tomorrow(struct tm *tm, struct tm *now, int *num)
{
update_tm(tm, now, 24*60*60);
}