int main (int argc, const char * argv[]) {
printf("4. OpenCL Profile No Overhead in the Loop\n");
float range = BIG_RANGE;
float *in, *out;
// ======== Initialize
init_all_perfs();
create_data(&in, &out);
start_perf_measurement(&total_perf);
// ======== Setup OpenCL
setup_cl(argc, argv, &opencl_device, &opencl_context, &opencl_queue);
// ======== Setup the computation
setup_cl_compute();
start_perf_measurement(&write_perf);
copy_data_to_device(in, out);
stop_perf_measurement(&write_perf);
// ======== Compute
while (range > LIMIT) {
// Calculation
start_perf_measurement(&update_perf);
update_cl(get_in_buffer(), get_out_buffer());
stop_perf_measurement(&update_perf);
// Read back the data
start_perf_measurement(&read_perf);
read_back_data(get_out_buffer(), out);
stop_perf_measurement(&read_perf);
// Compute Range
start_perf_measurement(&range_perf);
range = find_range(out, SIZE*SIZE);
stop_perf_measurement(&range_perf);
iterations++;
printf("Iteration %d, range=%f.\n", iterations, range);
}
// ======== Finish and cleanup OpenCL
start_perf_measurement(&finish_perf);
clFinish(opencl_queue);
stop_perf_measurement(&finish_perf);
start_perf_measurement(&cleanup_perf);
cleanup_cl();
stop_perf_measurement(&cleanup_perf);
stop_perf_measurement(&total_perf);
print_perfs();
free(in);
free(out);
}
void test_BS (cl_uint sizeMin, cl_uint sizeMax, int warmup_num_iters, int run_num_iters,
size_t blockMin, size_t blockMax,
size_t gridMin, size_t gridMax,
char *filename, cl_float(*gen)(cl_float low, cl_float high))
{
BS_test_t t;
t.num = sizeMin;
t.blockSize = blockMin;
t.gridSize = gridMin;
t.Riskfree = R;
t.Volatility = V;
bool result = false;
FILE * csv = fopen(filename, "a");
if (csv == NULL)
fprintf(stderr, "can't open output file\n");
if (csv != NULL)
fprintf(csv, "size, block size, grid size, total time\n");
setup_cl(&t);
setup_buffers(&t, gen);
if (t.maxBlockSize < blockMin)
blockMin = t.maxBlockSize;
if (t.maxBlockSize < blockMax)
blockMax = t.maxBlockSize;
printf("blockMIN: %d blockMAX: %d t.maxBlockSize: %d\n", blockMin, blockMax, t.maxBlockSize);
warmup(&t, warmup_num_iters);
for (t.num = sizeMin; t.num <= sizeMax; t.num <<= 1) {
for (t.gridSize = gridMin; t.gridSize <= gridMax; t.gridSize += 16*1024) {
for (t.blockSize = blockMin; t.blockSize <= blockMax; t.blockSize += 64) {
if (t.gridSize % t.blockSize != 0)
continue;
setup_buffers(&t, gen);
result = run(&t, run_num_iters);
post(&t, run_num_iters, result);
if (result && csv != NULL)
output(&t, csv, run_num_iters);
cleanup(&t);
}
}
}
if (csv != NULL)
fclose(csv);
}
MUST COMPILE WITH QIO FOR THE SCRATCH FILE
#endif
/* Comment these out if you want to suppress detailed timing */
/*#define IOTIME*/
/*#define PRTIME*/
int main(int argc, char *argv[])
{
int meascount;
int prompt;
Real avm_iters,avs_iters;
double starttime,endtime;
#ifdef IOTIME
double dtime;
int iotime = 1;
#else
int iotime = 0;
#endif
int MinCG,MaxCG;
Real RsdCG, RRsdCG;
int spin,color,j,k;
int flag;
int status;
w_prop_file *fp_in_w[MAX_KAP]; /* For reading binary propagator files */
w_prop_file *fp_out_w[MAX_KAP]; /* For writing binary propagator files */
w_prop_file *fp_scr[MAX_KAP];
quark_source wqs_scr; /* scratch file */
char scratch_file[MAX_KAP][MAXFILENAME];
wilson_vector *psi = NULL;
wilson_prop_field *quark_propagator = NULL;
wilson_prop_field *quark_prop2 = NULL;
int cg_cl = CL_CG;
int source_type;
initialize_machine(&argc,&argv);
/* Remap standard I/O */
if(remap_stdio_from_args(argc, argv) == 1)terminate(1);
g_sync();
/* set up */
prompt = setup_cl();
/* loop over input sets */
psi = create_wv_field();
quark_propagator = create_wp_field(3);
quark_prop2 = create_wp_field(3);
while( readin(prompt) == 0)
{
starttime=dclock();
MaxCG=niter;
avm_iters=0.0;
meascount=0;
spectrum_cl_hl_init();
if( fixflag == COULOMB_GAUGE_FIX)
{
if(this_node == 0)
printf("Fixing to Coulomb gauge\n");
#ifdef IOTIME
dtime = -dclock();
#endif
gaugefix(TUP,(Real)1.5,500,GAUGE_FIX_TOL);
#ifdef IOTIME
dtime += dclock();
if(this_node==0)printf("Time to gauge fix = %e\n",dtime);
#endif
invalidate_this_clov(gen_clov);
}
else
if(this_node == 0)printf("COULOMB GAUGE FIXING SKIPPED.\n");
/* save lattice if requested */
if( saveflag != FORGET ){
savelat_p = save_lattice( saveflag, savefile, stringLFN );
}
if(this_node==0)printf("END OF HEADER\n");
/* if(this_node==0) printf("num_kap = %d\n", num_kap); */
/* Loop over kappas to compute and store quark propagator */
for(k=0;k<num_kap;k++){
kappa=kap[k];
RsdCG=resid[k];
RRsdCG=relresid[k];
if(this_node==0)printf("Kappa= %g r0= %g residue= %g rel= %g\n",
(double)kappa,(double)wqs.r0,(double)RsdCG,
(double)RRsdCG);
/* open files for wilson propagators */
#ifdef IOTIME
dtime = -dclock();
#endif
wqstmp = wqs; /* For clover_info.c */
fp_in_w[k] = r_open_wprop(startflag_w[k], startfile_w[k]);
fp_out_w[k] = w_open_wprop(saveflag_w[k], savefile_w[k],
wqs.type);
#ifdef IOTIME
dtime += dclock();
if(startflag_w[k] != FRESH)
node0_printf("Time to open prop = %e\n",dtime);
#endif
/* Open scratch file and write header */
sprintf(scratch_file[k],"%s_%02d",scratchstem_w,k);
source_type = UNKNOWN;
fp_scr[k] = w_open_wprop(scratchflag, scratch_file[k], source_type);
init_qs(&wqs_scr);
/* Loop over source spins */
for(spin=0;spin<4;spin++){
/* Loop over source colors */
for(color=0;color<3;color++){
meascount ++;
/*if(this_node==0)printf("color=%d spin=%d\n",color,spin);*/
if(startflag_w[k] == CONTINUE)
{
if(k == 0)
{
node0_printf("Can not continue propagator here! Zeroing it instead\n");
startflag_w[k] = FRESH;
}
else
{
copy_wv_from_wp(psi, quark_propagator, color, spin);
}
}
/* Saves one multiplication by zero in cgilu */
if(startflag_w[k] == FRESH)flag = 0;
else
flag = 1;
/* load psi if requested */
status = reload_wprop_sc_to_field( startflag_w[k], fp_in_w[k],
&wqs, spin, color, psi, iotime);
if(status != 0)
{
node0_printf("control_cl_hl: Recovering from error by resetting initial guess to zero\n");
reload_wprop_sc_to_field( FRESH, fp_in_w[k], &wqs,
spin, color, psi,0);
flag = 0;
}
/* Complete the source structure */
wqs.color = color;
wqs.spin = spin;
/* If we are starting afresh, we set a minimum number
of iterations */
if(startflag_w[k] == FRESH || status != 0)MinCG = nt/2;
else MinCG = 0;
/* Load inversion control structure */
qic.prec = PRECISION;
qic.min = 0;
qic.max = MaxCG;
qic.nrestart = nrestart;
qic.parity = EVENANDODD;
qic.start_flag = flag;
qic.nsrc = 1;
qic.resid = RsdCG;
qic.relresid = RRsdCG;
/* Load Dirac matrix parameters */
dcp.Kappa = kappa;
dcp.Clov_c = clov_c;
dcp.U0 = u0;
switch (cg_cl) {
case BICG:
avs_iters =
(Real)wilson_invert_field_wqs(&wqs, w_source_field, psi,
bicgilu_cl_field,
&qic,(void *)&dcp);
break;
case HOP:
avs_iters =
(Real)wilson_invert_field_wqs(&wqs, w_source_field, psi,
hopilu_cl_field,
&qic,(void *)&dcp);
break;
case MR:
avs_iters =
(Real)wilson_invert_field_wqs(&wqs, w_source_field, psi,
mrilu_cl_field,
&qic,(void *)&dcp);
break;
case CG:
avs_iters =
(Real)wilson_invert_field_wqs(&wqs, w_source_field, psi,
cgilu_cl_field,
&qic,(void *)&dcp);
break;
default:
node0_printf("main(%d): Inverter choice %d not supported\n",
cg_cl, this_node);
}
avm_iters += avs_iters;
copy_wp_from_wv(quark_propagator, psi, color, spin);
/* Write psi to scratch disk */
#ifdef IOTIME
dtime = -dclock();
#endif
save_wprop_sc_from_field(scratchflag, fp_scr[k], &wqs_scr,
spin, color, psi, "Scratch record", iotime);
#ifdef IOTIME
dtime += dclock();
if(this_node==0)
printf("Time to dump prop spin %d color %d %e\n",
spin,color,dtime);
#endif
/* save psi if requested */
save_wprop_sc_from_field( saveflag_w[k],fp_out_w[k], &wqs,
spin,color,psi,"", iotime);
} /* source colors */
} /* source spins */
/* Close and release scratch file */
w_close_wprop(scratchflag, fp_scr[k]);
/*if(this_node==0)printf("Dumped prop to file %s\n",
scratch_file[k]); */
/* close files for wilson propagators */
#ifdef IOTIME
dtime = -dclock();
#endif
r_close_wprop(startflag_w[k],fp_in_w[k]);
w_close_wprop(saveflag_w[k],fp_out_w[k]);
#ifdef IOTIME
dtime += dclock();
if(saveflag_w[k] != FORGET)
node0_printf("Time to close prop = %e\n",dtime);
#endif
} /* kappas */
/* Loop over heavy kappas for the point sink spectrum */
for(k=0;k<num_kap;k++){
/* Read the propagator from the scratch file */
#ifdef IOTIME
dtime = -dclock();
#endif
kappa=kap[k];
init_qs(&wqs_scr);
reload_wprop_to_wp_field(scratchflag, scratch_file[k], &wqs_scr,
quark_propagator, iotime);
#ifdef IOTIME
dtime += dclock();
if(this_node==0)
{
printf("Time to read 12 spin,color combinations %e\n",dtime);
fflush(stdout);
}
#endif
/*if(this_node==0)
printf("Closed scratch file %s\n",scratch_file[k]);
fflush(stdout); */
/* Diagonal spectroscopy */
spectrum_cl_hl_diag_baryon(quark_propagator, k);
spectrum_cl_hl_diag_meson(quark_propagator, k);
spectrum_cl_hl_diag_rot_meson(quark_propagator, k);
if(strstr(spectrum_request,",sink_smear,") != NULL){
spectrum_cl_hl_diag_smeared_meson(quark_propagator, k);
}
/* Heavy-light spectroscopy */
/* Loop over light kappas for the point sink spectrum */
for(j=k+1;j<num_kap;j++){
#ifdef IOTIME
dtime = -dclock();
#endif
/* Read the propagator from the scratch file */
kappa=kap[j];
init_qs(&wqs_scr);
reload_wprop_to_wp_field(scratchflag, scratch_file[j], &wqs_scr,
quark_prop2, iotime);
#ifdef IOTIME
dtime += dclock();
if(this_node==0)
{
printf("Time to read 12 spin,color combinations %e\n",dtime);
fflush(stdout);
}
#endif
#ifdef PRTIME
dtime = -dclock();
#endif
spectrum_cl_hl_offdiag_baryon( quark_propagator, quark_prop2,
j, k);
spectrum_cl_hl_offdiag_meson( quark_propagator, quark_prop2,
j, k);
spectrum_cl_hl_offdiag_rot_meson( quark_propagator, quark_prop2,
j, k);
#ifdef PRTIME
dtime = -dclock();
#endif
} /* light kappas */
/* Smear the heavy propagator in place */
sink_smear_prop( quark_propagator );
/* Write the smeared propagator to the scratch file (overwriting)*/
kappa=kap[k];
#ifdef IOTIME
dtime = -dclock();
#endif
save_wprop_from_wp_field(scratchflag, scratch_file[k], &wqs_scr,
quark_propagator, "Scratch propagator",
iotime);
#ifdef IOTIME
dtime += dclock();
if(this_node==0)
{
printf("Time to dump convolution %d %e\n",k,dtime);
fflush(stdout);
}
#endif
} /* heavy kappas */
/* Loop over heavy kappas for the shell sink spectrum */
if(strstr(spectrum_request,",sink_smear,") != NULL)
for(k=0;k<num_kap;k++){
#ifdef IOTIME
dtime = -dclock();
#endif
/* Read the propagator from the scratch file */
kappa=kap[k];
init_qs(&wqs_scr);
reload_wprop_to_wp_field(scratchflag, scratch_file[k], &wqs_scr,
quark_propagator, iotime);
#ifdef IOTIME
dtime += dclock();
if(this_node==0)
{
printf("Time to read convolution %d %e\n",k,dtime);
fflush(stdout);
}
#endif
/* Diagonal spectroscopy */
spectrum_cl_hl_diag_smeared_meson(quark_propagator, k);
/* Heavy-light spectroscopy */
/* Loop over light kappas for the shell sink spectrum */
for(j=k+1;j<num_kap;j++){
#ifdef PRTIME
dtime = -dclock();
#endif
/* Read the propagator from the scratch file */
kappa=kap[j];
init_qs(&wqs_scr);
reload_wprop_to_wp_field(scratchflag, scratch_file[j], &wqs_scr,
quark_prop2, iotime);
/* Compute the spectrum */
spectrum_cl_hl_offdiag_smeared_meson( quark_propagator,
quark_prop2, j, k);
#ifdef PRTIME
dtime += dclock();
if(this_node==0)
{
printf("Time to read and do off diagonal mesons %d %d %e\n",
j,k,dtime);
fflush(stdout);
}
#endif
} /* light kappas */
} /* heavy kappas */
spectrum_cl_hl_print(wqs.t0);
spectrum_cl_hl_cleanup();
if(this_node==0)printf("RUNNING COMPLETED\n");
if(meascount>0){
if(this_node==0)printf("total cg iters for measurement= %e\n",
(double)avm_iters);
if(this_node==0)printf("cg iters for measurement= %e\n",
(double)avm_iters/(double)meascount);
}
endtime=dclock();
if(this_node==0){
printf("Time = %e seconds\n",(double)(endtime-starttime));
printf("total_iters = %d\n",total_iters);
}
fflush(stdout);
}
destroy_wv_field(psi);
destroy_wp_field(quark_propagator);
return 0;
}
int main(int argc, char *argv[])
{
int meascount;
int prompt;
Real avm_iters,avs_iters;
double starttime,endtime;
#ifdef IOTIME
double dtime;
int iotime = 1;
#else
int iotime = 0;
#endif
int MaxCG;
Real RsdCG, RRsdCG;
int spin,color,k;
int flag;
int status;
int cl_cg = CL_CG;
w_prop_file *fp_in_w[MAX_KAP]; /* For propagator files */
w_prop_file *fp_out_w[MAX_KAP]; /* For propagator files */
wilson_vector *psi = NULL;
wilson_prop_field quark_propagator = NULL;
initialize_machine(&argc,&argv);
#ifdef HAVE_QDP
QDP_initialize(&argc, &argv);
#endif
/* Remap standard I/O */
if(remap_stdio_from_args(argc, argv) == 1)terminate(1);
g_sync();
/* set up */
prompt = setup_cl();
/* loop over input sets */
psi = create_wv_field();
quark_propagator = create_wp_field();
while( readin(prompt) == 0)
{
starttime=dclock();
MaxCG=niter;
wqstmp = wqs; /* For clover_info.c */
avm_iters=0.0;
meascount=0;
if( fixflag == COULOMB_GAUGE_FIX)
{
if(this_node == 0)
printf("Fixing to Coulomb gauge\n");
#ifdef IOTIME
dtime = -dclock();
#endif
gaugefix(TUP,(Real)1.5,500,GAUGE_FIX_TOL);
#ifdef IOTIME
dtime += dclock();
if(this_node==0)printf("Time to gauge fix = %e\n",dtime);
#endif
invalidate_this_clov(gen_clov);
}
else
if(this_node == 0)printf("COULOMB GAUGE FIXING SKIPPED.\n");
/* save lattice if requested */
if( saveflag != FORGET ){
savelat_p = save_lattice( saveflag, savefile, stringLFN );
}
if(this_node==0)printf("END OF HEADER\n");
/* if(this_node==0) printf("num_kap = %d\n", num_kap); */
/* Loop over kappas */
for(k=0;k<num_kap;k++){
kappa=kap[k];
RsdCG=resid[k];
RRsdCG=relresid[k];
if(this_node==0)printf("Kappa= %g r0= %g residue= %g rel= %g\n",
(double)kappa,(double)wqs.r0,(double)RsdCG,
(double)RRsdCG);
/* open files for wilson propagators */
#ifdef IOTIME
dtime = -dclock();
#endif
fp_in_w[k] = r_open_wprop(startflag_w[k], startfile_w[k]);
#ifdef IOTIME
dtime += dclock();
if(startflag_w[k] != FRESH)
node0_printf("Time to open prop = %e\n",dtime);
#endif
fp_out_w[k] = w_open_wprop(saveflag_w[k], savefile_w[k],
wqs.type);
/* Loop over source spins */
for(spin=0;spin<4;spin++){
/* Loop over source colors */
for(color=0;color<3;color++){
meascount ++;
/*if(this_node==0)printf("color=%d spin=%d\n",color,spin); */
if(startflag_w[k] == CONTINUE)
{
node0_printf("Can not continue propagator here! Zeroing it instead\n");
startflag_w[k] = FRESH;
}
/* Saves one multiplication by zero in cgilu */
if(startflag_w[k] == FRESH)flag = 0;
else
flag = 1;
/* load psi if requested */
status = reload_wprop_sc_to_field( startflag_w[k], fp_in_w[k],
&wqs, spin, color, psi, iotime);
if(status != 0)
{
node0_printf("control_cl: Recovering from error by resetting initial guess to zero\n");
reload_wprop_sc_to_field( FRESH, fp_in_w[k], &wqs,
spin, color, psi, 0);
flag = 0;
}
/* Complete the source structure */
wqs.color = color;
wqs.spin = spin;
/* Load inversion control structure */
qic.prec = PRECISION;
qic.max = MaxCG;
qic.nrestart = nrestart;
qic.resid = RsdCG;
qic.relresid = RRsdCG;
qic.start_flag = flag;
/* Load Dirac matrix parameters */
dcp.Kappa = kappa;
dcp.Clov_c = clov_c;
dcp.U0 = u0;
/* compute the propagator. Result in psi. */
switch (cl_cg) {
case BICG:
avs_iters =
(Real)wilson_invert_field_wqs(&wqs, w_source_field, psi,
bicgilu_cl_field,
&qic,(void *)&dcp);
break;
case HOP:
avs_iters =
(Real)wilson_invert_field_wqs(&wqs, w_source_field, psi,
hopilu_cl_field,
&qic,(void *)&dcp);
break;
case MR:
avs_iters =
(Real)wilson_invert_field_wqs(&wqs, w_source_field, psi,
mrilu_cl_field,
&qic,(void *)&dcp);
break;
case CG:
avs_iters =
(Real)wilson_invert_field_wqs(&wqs, w_source_field, psi,
cgilu_cl_field,
&qic,(void *)&dcp);
break;
default:
node0_printf("main(%d): Inverter choice %d not supported\n",
this_node,cl_cg);
}
avm_iters += avs_iters;
copy_wp_from_wv(quark_propagator, psi, color, spin);
/* save psi if requested */
save_wprop_sc_from_field( saveflag_w[k],fp_out_w[k], &wqs,
spin,color,psi,"Fill in record info here",iotime);
} /* source spins */
} /* source colors */
/* close files for wilson propagators */
r_close_wprop(startflag_w[k],fp_in_w[k]);
#ifdef IOTIME
dtime = -dclock();
#endif
w_close_wprop(saveflag_w[k],fp_out_w[k]);
#ifdef IOTIME
dtime += dclock();
if(saveflag_w[k] != FORGET)
node0_printf("Time to close prop = %e\n",dtime);
#endif
/* spectrum, if requested */
if(strstr(spectrum_request,",spectrum,") != NULL)
spectrum_cl(quark_propagator, wqs.t0, k);
} /* kappas */
if(this_node==0)printf("RUNNING COMPLETED\n");
if(meascount>0){
if(this_node==0)printf("total cg iters for measurement= %e\n",
(double)avm_iters);
if(this_node==0)printf("cg iters for measurement= %e\n",
(double)avm_iters/(double)meascount);
}
endtime=dclock();
if(this_node==0){
printf("Time = %e seconds\n",(double)(endtime-starttime));
printf("total_iters = %d\n",total_iters);
}
fflush(stdout);
}
destroy_wv_field(psi);
destroy_wp_field(quark_propagator);
return 0;
}