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cvc_2pt_conn_mpitriv_timeslice.c
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cvc_2pt_conn_mpitriv_timeslice.c
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/****************************************************
* cvc_2pt_conn_mpitriv_timeslice.c
*
* Mon Sep 9 08:50:02 CEST 2013
*
* PURPOSE:
* - originally copied from cvc_2pt_conn_mpitriv
* - trivial MPI parallelization
* - calculation for sequence of timeslices
****************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include <mpi.h>
#ifdef OPENMP
# include <omp.h>
#endif
#include <getopt.h>
#define MAIN_PROGRAM
#include "cvc_complex.h"
#include "cvc_linalg.h"
#include "global.h"
#include "cvc_geometry.h"
#include "cvc_utils.h"
#include "mpi_init.h"
#include "io.h"
#include "propagator_io.h"
#include "gauge_io.h"
#include "Q_phi.h"
#include "fuzz.h"
#include "read_input_parser.h"
#include "smearing_techniques.h"
#include "make_q_orbits.h"
void usage() {
fprintf(stdout, "Code to perform contractions for connected contributions\n");
fprintf(stdout, "Usage: [options]\n");
fprintf(stdout, "Options: -v verbose [no effect, lots of stdout output it]\n");
fprintf(stdout, " -f input filename [default cvc.input]\n");
fprintf(stdout, " -l Nlong for fuzzing [default -1, no fuzzing]\n");
fprintf(stdout, " -a no of steps for APE smearing [default -1, no smearing]\n");
fprintf(stdout, " -k alpha for APE smearing [default 0.]\n");
EXIT(0);
}
int n_c=1, n_s=4;
char pre_string[6];
static inline void get_propagator_filename(char*filename, char*prefix, int*sc, int i, int*source_momentum, int conf, int flavor) {
int isc;
switch(g_source_type) {
case 0: // point source
isc = i % (n_s*n_c);
switch(flavor) {
case 0:
sprintf(filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.%.2d.inverted", prefix, conf, sc[0], sc[1], sc[2], sc[3], isc);
break;
case 1:
if(format == 2) {
sprintf(filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2ds%.2dc%.2d.pmass.%s.inverted", prefix, conf, sc[0], sc[1], sc[2], sc[3], isc/n_c, isc%n_c, pre_string);
} else if(format == 3) {
sprintf(filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.pmass.%s.%.2d.inverted", prefix, conf, sc[0], sc[1], sc[2], sc[3], pre_string, isc);
}
break;
case -1:
if(format == 2) {
sprintf(filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2ds%.2dc%.2d.nmass.%s.inverted", prefix, conf, sc[0], sc[1], sc[2], sc[3], isc/n_c, isc%n_c, pre_string);
} else if(format == 3) {
sprintf(filename, "%s.%.4d.t%.2dx%.2dy%.2dz%.2d.nmass.%s.%.2d.inverted", prefix, conf, sc[0], sc[1], sc[2], sc[3], pre_string, isc);
}
break;
}
break;
case 2: // timeslice source
case 3: // timeslice source
if(g_sink_momentum_set) {
sprintf(filename, "%s.%.4d.%.2d.%.2d.qx%.2dqy%.2dqz%.2d.inverted", prefix, conf, g_source_timeslice, i,
source_momentum[0], source_momentum[1], source_momentum[2]);
} else {
sprintf(filename, "%s.%.4d.%.2d.%.2d.inverted", prefix, conf, g_source_timeslice, i);
}
break;
}
fprintf(stdout, "# [get_propagator_filename] filename = %s\n", filename);
return;
}
/****************************************************************************************
*
* main program
*
****************************************************************************************/
int main(int argc, char **argv) {
int src_momentum_zero[] = {0,0,0};
int c, i, j, ll, sl, status;
int filename_set = 0;
int timeslice=-1, mms1=-1;
int l_LX_at, l_LXstart_at;
int x0, x1, x2, ix, idx;
unsigned int VOL3, icol;
int K=20, nK=20, itype;
int use_mms=0;
int full_orbit=0;
int do_shifts = 0, shifts_num=1, ishift;
int source_coords[4], source_coords_orig[4], source_proc_coords[4], source_proc_id, source_location, lsource_coords[4];
double *cconn = (double*)NULL;
double *nconn = (double*)NULL;
double *work=NULL, *work2=NULL;
int verbose = 0;
int fermion_type = 0; // twisted mass fermion
char filename[200];
double ratime, retime;
double plaq_r, plaq_m;
double *gauge_field_timeslice=NULL, *gauge_field_f=NULL;
double **chi=NULL, **chi2=NULL, **psi=NULL, **psi2=NULL;
double *Ctmp;
double correlator_norm;
FILE *ofs;
/* double sign_adj5[] = {-1., -1., -1., -1., +1., +1., +1., +1., +1., +1., -1., -1., -1., 1., -1., -1.}; */
double conf_gamma_sign[] = {1., 1., 1., 1., 1., -1., -1., -1., -1.};
int *qlatt_id=NULL, *qlatt_count=NULL, **qlatt_rep=NULL, **qlatt_map=NULL, qlatt_nclass;
double **qlatt_list=NULL;
int snk_momentum_runs = 1, snk_momentum_id=0, snk_momentum[3], src_momentum[3], imom;
int shift_vector[5][4] = {{0,0,0,0}, {1,0,0,0}, {0,1,0,0}, {0,0,1,0}, {0,0,0,1}};
size_t nconn_length=0, cconn_length=0;
DML_Checksum *spinor_checksum=NULL;
/**************************************************************************************************
* charged stuff
* here we loop over ll, ls, sl, ss (order source-sink)
* pion:
* g5-g5, g5-g0g5, g0g5-g5, g0g5-g0g5, g0-g0, g5-g0, g0-g5, g0g5-g0, g0-g0g5
* rho:
* gig0-gig0, gi-gi, gig5-gig5, gig0-gi, gi-gig0, gig0-gig5, gig5-gig0, gi-gig5, gig5-gi
* a0, b1:
* 1-1, gig0g5-gig0g5
**************************************************************************************************/
int gindex1[] = {5, 5, 6, 6, 0, 5, 0, 6, 0,
10, 11, 12, 1, 2, 3, 7, 8, 9, 10, 11, 12, 1, 2, 3, 10, 11, 12, 7, 8, 9, 1, 2, 3, 7, 8, 9,
4, 13, 14, 15};
int gindex2[] = {5, 6, 5, 6, 0, 0, 5, 0, 6,
10, 11, 12, 1, 2, 3, 7, 8, 9, 1, 2, 3, 10, 11, 12, 7, 8, 9, 10, 11, 12, 7, 8, 9, 1, 2, 3,
4, 13, 14, 15};
/* due to twisting we have several correlators that are purely imaginary */
int isimag[] = {0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0};
/**************************************************************************************************
* neutral stuff
* here we loop over ll, ls, sl, ss (order source-sink)
* pion:
* g5-g5, g5-g0g5, g0g5-g5, g0g5-g0g5, 1-1, g5-1, 1-g5, g0g5-1, 1-g0g5
* rho:
* gig0-gig0, gi-gi, gig0g5-gig0g5, gig0-gi, gi-gig0, gig0-gig0g5, gig0g5-gig0, gi-gig0g5, gig0g5-gi
* a0, b1:
* g0-g0, gig5-gig5
**************************************************************************************************/
int ngindex1[] = {5, 5, 6, 6, 4, 5, 4, 6, 4,
10, 11, 12, 1, 2, 3, 13, 14, 15, 10, 11, 12, 1, 2, 3, 10, 11, 12, 13, 14, 15, 1, 2, 3, 13, 14, 15,
0, 7, 8, 9};
int ngindex2[] = {5, 6, 5, 6, 4, 4, 5, 4, 6,
10, 11, 12, 1, 2, 3, 13, 14, 15, 1, 2, 3, 10, 11, 12, 13, 14, 15, 10, 11, 12, 13, 14, 15, 1, 2, 3,
0, 7, 8, 9};
int nisimag[] = {0, 0, 0, 0, 0, 1, 1, 1, 1,
0, 0, 0, 0, 0, 1, 1, 1, 1,
0, 0};
double isneg_std[]= {+1., -1., +1., -1., +1., +1., +1., +1., -1.,
-1., +1., -1., -1., +1., +1., +1., -1., +1.,
+1., -1.};
double isneg[20];
/* every correlator for the rho part including gig0 either at source
* or at sink has a different relative sign between the 3 contributions */
double vsign[]= {1., 1., 1., 1., 1., 1., 1., 1., 1., 1., -1., 1., 1., -1., 1., 1., -1., 1.,
1., -1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.};
double nvsign[] ={1., 1., 1., 1., 1., 1., 1., 1., 1., 1., -1., 1., 1., -1., 1., 1., -1., 1.,
1., 1., 1., 1., -1., 1., 1., -1., 1., 1., -1., 1., 1.};
int namelen, nproc, proc_id;
char processor_name[MPI_MAX_PROCESSOR_NAME];
#ifdef MPI
fprintf(stderr, "[cvc_2pt_conn] Error, MPI is defined; exit\n");
exit(1);
#endif
// time stamp
g_the_time = time(NULL);
MPI_Init(&argc, &argv);
while ((c = getopt(argc, argv, "soh?vguf:p:F:P:")) != -1) {
switch (c) {
case 'v':
verbose = 1;
break;
case 'f':
strcpy(filename, optarg);
filename_set=1;
break;
case 'p':
n_c = atoi(optarg);
fprintf(stdout, "# [cvc_2pt_conn] will use number of colors = %d\n", n_c);
break;
case 'u':
use_mms = 1;
fprintf(stdout, "# [cvc_2pt_conn] will use mms\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, "[cvc_2pt_conn] Error, unrecognized fermion type\n");
EXIT(145);
}
fprintf(stdout, "# [cvc_2pt_conn] will use fermion type %s ---> no. %d\n", optarg, fermion_type);
break;
case 'o':
full_orbit=1;
fprintf(stdout, "# [cvc_2pt_conn] will loop over full orbit\n");
break;
case 's':
do_shifts=1;
fprintf(stdout, "# [cvc_2pt_conn] will include shifts +e_\\mu of source location\n");
break;
case 'P':
sprintf(pre_string, "pre%.2d", atoi(optarg));
fprintf(stdout, "# [cvc_2pt_conn] will use precision string \"%s\"\n", pre_string);
break;
case 'h':
case '?':
default:
usage();
break;
}
}
// MPI initialization by hand
MPI_Comm_size(MPI_COMM_WORLD, &nproc);
MPI_Comm_rank(MPI_COMM_WORLD, &proc_id);
MPI_Get_processor_name(processor_name, &namelen);
fprintf(stdout, "# [cvc_2pt_conn] proc%.4d running on host %s\n", proc_id, processor_name);
// set the default values
if(filename_set==0) strcpy(filename, "cvc.input");
sprintf(filename, "%s.%.4d", filename, proc_id);
fprintf(stdout, "# [cvc_2pt_conn] proc%.4d reading input from file %s\n", proc_id, filename);
read_input_parser(filename);
// some checks on the input data
if((T_global == 0) || (LX==0) || (LY==0) || (LZ==0)) {
fprintf(stdout, "proc%.4d Error, T and L's must be set\n", proc_id);
usage();
}
if(g_kappa == 0.) {
if(proc_id==0) fprintf(stdout, "kappa should be > 0.n");
usage();
}
if(!g_sink_momentum_set && full_orbit) {
fprintf(stderr, "[cvc_2pt_conn] Error, full orbit but no sink momentum specified\n");
EXIT(123);
}
// initialize MPI parameters
// - g_nproc <- 1
// - g_proc_id <- 0
mpi_init(argc, argv);
//g_nproc = nproc;
// g_proc_id = proc_id;
mms1 = g_mms_id;
fprintf(stdout, "# [cvc_2pt_conn] proc%.4d mms id = %d\n", proc_id, mms1);
T = T_global;
Tstart = 0;
l_LX_at = LX;
l_LXstart_at = 0;
FFTW_LOC_VOLUME = T*LX*LY*LZ;
VOL3 = LX*LY*LZ;
fprintf(stdout, "# [cvc_2pt_conn] proc%.4d parameters:\n"\
"# [cvc_2pt_conn] proc%.4d T = %3d\n"\
"# [cvc_2pt_conn] proc%.4d Tstart = %3d\n"\
"# [cvc_2pt_conn] proc%.4d l_LX_at = %3d\n"\
"# [cvc_2pt_conn] proc%.4d l_LXstart_at = %3d\n"\
"# [cvc_2pt_conn] proc%.4d FFTW_LOC_VOLUME = %3d\n",
proc_id, proc_id, T, proc_id, Tstart, proc_id, l_LX_at,
proc_id, l_LXstart_at, proc_id, FFTW_LOC_VOLUME);
if(init_geometry() != 0) {
fprintf(stderr, "ERROR from init_geometry\n");
EXIT(1);
}
geometry();
// prepare momentum lists
if(g_sink_momentum_set && 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[baryon_corr_qdep] Error while creating O_3-lists\n");
EXIT(4);
}
fprintf(stdout, "# [baryon_corr_qdep] number of classes = %d\n", qlatt_nclass);
}
/**********************************
* check for shifts
**********************************/
if(do_shifts && g_source_type == 0) {
shifts_num = 5;
} else {
shifts_num = 1;
}
/**********************************
* source coordinates
**********************************/
if(g_source_type==0) {
source_coords[0] = g_source_location / (LX_global * LY_global * LZ_global);
source_coords[1] = ( g_source_location % (LX_global * LY_global * LZ_global) ) / (LY_global * LZ_global);
source_coords[2] = ( g_source_location % (LY_global * LZ_global) ) / LZ_global;
source_coords[3] = g_source_location % LZ_global;
fprintf(stdout, "# [cvc_2pt_conn] global source_location %d ---> global source coordinates = (%d, %d, %d, %d)\n", g_source_location,
source_coords[0],source_coords[1], source_coords[2], source_coords[3]);
//g_source_timeslice = source_coords[0];
memcpy(source_coords_orig, source_coords, 4*sizeof(int));
source_proc_coords[0] = source_coords[0] / T;
source_proc_coords[1] = source_coords[1] / LX;
source_proc_coords[2] = source_coords[2] / LY;
source_proc_coords[3] = source_coords[3] / LZ;
source_proc_id = proc_id;
lsource_coords[0] = source_coords[0] % T;
lsource_coords[1] = source_coords[1] % LX;
lsource_coords[2] = source_coords[2] % LY;
lsource_coords[3] = source_coords[3] % LZ;
if(proc_id == source_proc_id) {
source_location = g_ipt[lsource_coords[0]][lsource_coords[1]][lsource_coords[2]][lsource_coords[3]];
fprintf(stdout, "# [cvc_2pt_conn] local source_location %d ---> local source coordinates = (%d, %d, %d, %d)\n", source_location,
lsource_coords[0], lsource_coords[1], lsource_coords[2], lsource_coords[3]);
}
} else {
source_coords[0] = 0;
source_coords[1] = 0;
source_coords[2] = 0;
source_coords[3] = 0;
memcpy(source_coords_orig, source_coords, 4*sizeof(int));
memcpy(lsource_coords, source_coords, 4*sizeof(int));
}
for(i = 0; i < 20; i++) isneg[i] = isneg_std[i];
// allocate memory for the contractions
idx = 8*K*T_global;
cconn_length = idx;
cconn = (double*)calloc(idx, sizeof(double));
if( cconn==(double*)NULL ) {
fprintf(stderr, "[cvc_2pt_conn] Error, could not allocate memory for cconn\n");
EXIT(3);
}
for(ix=0; ix<idx; ix++) cconn[ix] = 0.;
idx = 8*nK*T_global;
nconn_length = idx;
nconn = (double*)calloc(idx, sizeof(double));
if( nconn==(double*)NULL ) {
fprintf(stderr, "[cvc_2pt_conn] Error, could not allocate memory for nconn\n");
EXIT(5);
}
for(ix=0; ix<idx; ix++) nconn[ix] = 0.;
if( (Ctmp = (double*)calloc(2*T, sizeof(double))) == NULL ) {
fprintf(stderr, "[cvc_2pt_conn] Error, could not allocate mem for Ctmp\n");
EXIT(4);
}
if( N_Jacobi>0 || use_mms) {
fprintf(stdout, "# [cvc_2pt_conn] allocating gauge field\n");
alloc_gauge_field(&g_gauge_field, VOLUMEPLUSRAND);
// read the gauge field
switch(g_gauge_file_format) {
case 0:
sprintf(filename, "%s.%.4d", gaugefilename_prefix, Nconf);
fprintf(stdout, "# [cvc_2pt_conn] proc%.4d reading gauge field from file %s\n", proc_id, filename);
status = read_lime_gauge_field_doubleprec(filename);
break;
case 1:
sprintf(filename, "%s.%.5d", gaugefilename_prefix, Nconf);
fprintf(stdout, "# [cvc_2pt_conn] proc%.4d reading gauge field from file %s\n", proc_id, filename);
status = read_nersc_gauge_field(g_gauge_field, filename, &plaq_r);
break;
}
if(status != 0) {
fprintf(stderr, "[cvc_2pt_conn] proc%.4d Error, could not read gauge field\n", proc_id);
EXIT(21);
}
// measure the plaquette
plaquette(&plaq_m);
fprintf(stdout, "# [cvc_2pt_conn] proc%.4d plaquette values measures = %25.16e; read = %25.16e\n", proc_id, plaq_m, plaq_r);
fprintf(stdout, "# [cvc_2pt_conn] proc%.4d apply fuzzing of gauge field and propagators with parameters:\n"\
"# Nlong = %d\n# N_ape = %d\n# alpha_ape = %f\n", proc_id, Nlong, N_ape, alpha_ape);
} else {
g_gauge_field = NULL;
} // of if N_Jacobi > 0 or use_mms
#ifdef OPENMP
/*****************************************
* set number of openmp threads
*****************************************/
omp_set_num_threads(g_num_threads);
#endif
if( N_Jacobi>0) {
alloc_gauge_field(&gauge_field_f, VOLUMEPLUSRAND);
// copy the gauge field to smear it
memcpy(gauge_field_f, g_gauge_field, 72*VOLUMEPLUSRAND*sizeof(double));
fprintf(stdout, "# [cvc_2pt_conn] APE-smearing / fuzzing gauge field with Nlong=%d, N_APE=%d, alpha_APE=%f\n", Nlong, N_ape, alpha_ape);
#ifdef OPENMP
if(N_ape>0) {
APE_Smearing_Step_threads(gauge_field_f, N_ape, alpha_ape);
}
if(Nlong>0) {
fprintf(stdout, "[cvc_2pt_conn] Warning, no threaded version of fuzzing\n");
alloc_gauge_field(&gauge_field_timeslice, VOL3);
for(x0=0; x0<T; x0++) {
memcpy( gauge_field_timeslice, gauge_field_f + _GGI(g_ipt[x0][0][0][0],0), 72*VOL3*sizeof(double));
fuzzed_links_Timeslice(gauge_field_f, gauge_field_timeslice, Nlong, x0);
}
free(gauge_field_timeslice);
}
#else
alloc_gauge_field(&gauge_field_timeslice, VOL3);
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);
}
if(Nlong > 0) {
fuzzed_links_Timeslice(gauge_field_f, gauge_field_timeslice, Nlong, x0);
} else {
memcpy((void*)(gauge_field_f+_GGI(g_ipt[x0][0][0][0],0)), (void*)gauge_field_timeslice, 72*VOL3*sizeof(double));
}
}
free(gauge_field_timeslice);
#endif
// test: print the fuzzed APE smeared gauge field to stdout
// for(ix=0; ix<36*VOLUME; ix++) {
// fprintf(stdout, "%6d%25.16e%25.16e\n", ix, g_gauge_field[2*ix], g_gauge_field[2*ix+1]);
// }
}
// allocate memory for the spinor fields
no_fields = n_s;
if( fermion_type==0 || (g_sink_momentum_set && ( g_source_type==2 || g_source_type==3 || g_source_type==4) ) ) no_fields+=n_s;
if(Nlong>0) no_fields += n_s;
no_fields *= n_c;
// work and work2
if(use_mms) no_fields +=2;
fprintf(stdout, "# [cvc_2pt_conn] total number of fields = %d\n", no_fields);
g_spinor_field = (double**)calloc(no_fields, sizeof(double*));
if(!use_mms) {
for(i=0; i<no_fields; i++) {
alloc_spinor_field(&g_spinor_field[i], VOL3);
}
} else {
for(i=0; i<no_fields-2; i++) {
alloc_spinor_field(&g_spinor_field[i], VOL3);
}
alloc_spinor_field(&g_spinor_field[no_fields-2], VOLUMEPLUSRAND);
alloc_spinor_field(&g_spinor_field[no_fields-1], VOLUMEPLUSRAND);
work = g_spinor_field[no_fields-2];
work2 = g_spinor_field[no_fields-1];
}
// checksums for spinor fields
if(!use_mms) {
spinor_checksum = (DML_Checksum*)malloc(no_fields * sizeof(DML_Checksum));
if(spinor_checksum == NULL) {
fprintf(stderr, "[cvc_2pt_conn] proc%.4d Error, could not allocate spinor_checksum\n", proc_id);
EXIT(117);
}
}
// check source/sink momentum
if(g_sink_momentum_set) {
/*
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;
*/
if(g_sink_momentum[0]<0) g_sink_momentum[0] += LX_global;
if(g_sink_momentum[1]<0) g_sink_momentum[1] += LY_global;
if(g_sink_momentum[2]<0) g_sink_momentum[2] += LZ_global;
fprintf(stdout, "# [cvc_2pt_conn] using final sink momentum ( %d, %d, %d )\n", g_sink_momentum[0], g_sink_momentum[1], g_sink_momentum[2]);
g_source_momentum[0] = (-g_sink_momentum[0] + LX_global ) % LX_global;
g_source_momentum[1] = (-g_sink_momentum[1] + LY_global ) % LY_global;
g_source_momentum[2] = (-g_sink_momentum[2] + LZ_global ) % LZ_global;
fprintf(stdout, "# [cvc_2pt_conn] using final source momentum ( %d, %d, %d )\n", g_source_momentum[0], g_source_momentum[1], g_source_momentum[2]);
if(full_orbit) {
snk_momentum_id = qlatt_id[g_ipt[0][g_sink_momentum[0]][g_sink_momentum[1]][g_sink_momentum[2]]];
snk_momentum_runs = qlatt_count[snk_momentum_id] + 1;
}
}
fprintf(stdout, "# [cvc_2pt_conn] number of runs = %d\n", snk_momentum_runs);
// set the correlator norm
// correlator_norm = 1. / ( (double)VOL3 * g_kappa * g_kappa * 2.);
correlator_norm = 1.;
fprintf(stdout, "# [cvc_2pt_conn] using correlator norm %e\n", correlator_norm);
/*************************************
* loop on shifts of source location
*************************************/
for(ishift=0; ishift<shifts_num; ishift++) {
memset(cconn, 0, cconn_length*sizeof(double));
memset(nconn, 0, nconn_length*sizeof(double));
if(ishift>0) {
source_coords[0] = (source_coords_orig[0] + shift_vector[ishift][0] ) % T_global;
source_coords[1] = (source_coords_orig[1] + shift_vector[ishift][1] ) % LX_global;
source_coords[2] = (source_coords_orig[2] + shift_vector[ishift][2] ) % LY_global;
source_coords[3] = (source_coords_orig[3] + shift_vector[ishift][3] ) % LZ_global;
source_proc_coords[0] = source_coords[0] / T;
source_proc_coords[1] = source_coords[1] / LX;
source_proc_coords[2] = source_coords[2] / LY;
source_proc_coords[3] = source_coords[3] / LZ;
source_proc_id = proc_id;
lsource_coords[0] = source_coords[0] % T;
lsource_coords[1] = source_coords[1] % LX;
lsource_coords[2] = source_coords[1] % LY;
lsource_coords[3] = source_coords[1] % LZ;
source_location = g_ipt[lsource_coords[0]][lsource_coords[1]][lsource_coords[2]][lsource_coords[3]];
}
/*************************************
* loop on sink momentum runs
*************************************/
for(imom=0; imom<snk_momentum_runs;imom++) {
if(imom == 0) {
if(full_orbit) {
snk_momentum[0] = 0;
snk_momentum[1] = 0;
snk_momentum[2] = 0;
src_momentum[0] = 0;
src_momentum[1] = 0;
src_momentum[2] = 0;
} else {
snk_momentum[0] = g_sink_momentum[0];
snk_momentum[1] = g_sink_momentum[1];
snk_momentum[2] = g_sink_momentum[2];
src_momentum[0] = (-g_sink_momentum[0] + LX_global) % LX_global;
src_momentum[1] = (-g_sink_momentum[1] + LY_global) % LY_global;
src_momentum[2] = (-g_sink_momentum[2] + LZ_global) % LZ_global;
}
} else {
snk_momentum[0] = qlatt_map[snk_momentum_id][imom-1] / (LY_global*LZ_global);
snk_momentum[1] = ( qlatt_map[snk_momentum_id][imom-1] % (LY_global*LZ_global) ) / LZ_global;
snk_momentum[2] = qlatt_map[snk_momentum_id][imom-1] % LZ_global;
src_momentum[0] = (-snk_momentum[0] + LX_global ) % LX_global;
src_momentum[1] = (-snk_momentum[1] + LY_global ) % LY_global;
src_momentum[2] = (-snk_momentum[2] + LZ_global ) % LZ_global;
}
fprintf(stdout, "# [cvc_2pt_conn] run no. %d with source momentum (%d, %d, %d) and sink momentum (%d, %d, %d)\n", imom,
src_momentum[0], src_momentum[1], src_momentum[2],\
snk_momentum[0], snk_momentum[1], snk_momentum[2]);
for(ix=0; ix<8*K*T_global; ix++) cconn[ix] = 0.;
for(ix=0; ix<8*K*T_global; ix++) nconn[ix] = 0.;
for(timeslice=0; timeslice<T; timeslice++) {
/*************************************
* begin loop on LL, LS, SL, SS
* - only LL implemented (local-local)
*************************************/
ll = 0;
for(j=0; j<1; j++)
{
if(j==0) {
// local-local (source-sink) -> phi[0-3]^dagger.p[0-3] -> p.p
ll = 0;
for(i=0; i<n_s*n_c; i++) {
if(use_mms) {
sprintf(filename, "%s.%.4d.%.2d.%.2d.cgmms.%.2d.inverted", filename_prefix, Nconf, g_source_timeslice, i, mms1);
read_lime_spinor(work, filename, 0);
xchange_field(work);
// g_spinor_field[i] <- g5 D_- work
// Qf5(g_spinor_field[i], work, -g_mu);
g_mu = -g_mu;
Q_phi_tbc(work2, work);
g_mu = -g_mu;
g5_phi(work2);
memcpy(g_spinor_field[i], work2 + _GSI(g_ipt[timeslice][0][0][0]), 24*VOL3*sizeof(double));
// g_spinor_field[i+n_s*n_c] <- g5 D_- work
if(fermion_type == 0) {
// Qf5(g_spinor_field[i+n_s*n_c], work, g_mu);
Q_phi_tbc(work2, work);
g5_phi(work2);
memcpy(g_spinor_field[i+n_s*n_c], work2 + _GSI(g_ipt[timeslice][0][0][0]), 24*VOL3*sizeof(double));
}
} else {
get_propagator_filename(filename, filename_prefix, source_coords, i, src_momentum_zero, Nconf, +1);
check_error( \
read_lime_spinor_timeslice(g_spinor_field[i], timeslice, filename, g_propagator_position, spinor_checksum+i), \
"read_lime_spinor_timeslice", NULL, 15);
if(g_sink_momentum_set) {
get_propagator_filename(filename, filename_prefix, source_coords, i, src_momentum, Nconf, +1);
check_error( \
read_lime_spinor_timeslice(g_spinor_field[i+n_s*n_c], timeslice, filename, g_propagator_position, \
spinor_checksum+i+n_s*n_c), \
"read_lime_spinor_timeslice", NULL, 15);
}
if(fermion_type == 0) { // read down propagators
get_propagator_filename(filename, filename_prefix2, source_coords, i, src_momentum, Nconf, -1);
check_error( \
read_lime_spinor_timeslice(g_spinor_field[i+n_s*n_c*(1+g_sink_momentum_set)], timeslice, filename, \
g_propagator_position, spinor_checksum+i+n_s*n_c*(1+g_sink_momentum_set)), \
"read_lime_spinor_timeslice", NULL, 16);
// check_error(read_lime_spinor(g_spinor_field[i+n_s*n_c*(1+g_sink_momentum_set)], filename, 1), "read_lime_spinor", NULL, 16);
}
} // of if use_mms
} // of loop on isc
chi = &g_spinor_field[0];
psi = &g_spinor_field[g_sink_momentum_set*n_s*n_c];
if(fermion_type==0) {
chi2 = &g_spinor_field[0];
psi2 = &g_spinor_field[n_s*n_c*(1+g_sink_momentum_set)];
} else {
chi2 = NULL;
psi2 = NULL;
}
#if 0
##########################################################
# j = 1, 2, 3 has not been implemented yet
##########################################################
} else if(j==1) {
if(Nlong>0) { // fuzzed-local -> phi[0-3]^dagger.phi[4-7] -> p.f
ll = 2;
chi = &g_spinor_field[0];
psi = &g_spinor_field[n_s*n_c];
if(fermion_type == 0) {
chi2 = &g_spinor_field[0];
psi2 = &g_spinor_field[2*n_s*n_c];
} else {
chi2 = NULL;
psi2 = NULL;
}
for(i=n_s*n_c; i<2*n_s*n_c; i++) {
if(use_mms) {
sprintf(filename, "%s.%.4d.%.2d.%.2d.cgmms.%.2d.inverted", filename_prefix, Nconf, g_source_timeslice, i, mms1);
read_lime_spinor(work, filename, 0);
Qf5(g_spinor_field[i], work, -g_mu);
if(fermion_type==0) {
Qf5(g_spinor_field[i+n_s*n_c], work, g_mu);
}
} else {
get_propagator_filename(filename, filename_prefix, source_coords, i, src_momentum, Nconf, 0);
check_error( read_lime_spinor(g_spinor_field[i], filename, g_propagator_position), "read_lime_spinor", NULL, 17);
if(fermion_type==0) {
get_propagator_filename(filename, filename_prefix2, source_coords, i, src_momentum, Nconf, 0);
check_error( read_lime_spinor(g_spinor_field[i+n_s*n_c], filename, g_propagator_position), "read_lime_spinor", NULL, 17);
/* read_lime_spinor(g_spinor_field[i+n_s*n_c], filename, 1); */
}
}
}
} else {
// local-smeared
ll = 1;
chi = &g_spinor_field[0];
psi = &g_spinor_field[g_sink_momentum_set*n_s*n_c];
if(fermion_type==0) {
chi2 = &g_spinor_field[0];
psi2 = &g_spinor_field[n_s*n_c*(1+g_sink_momentum_set)];
} else {
chi2 = NULL;
psi2 = NULL;
}
for(i = 0; i < ( (fermion_type==0) + (g_sink_momentum_set) + 1)*n_s*n_c; i++) {
#ifdef OPENMP
Jacobi_Smearing_Step_one_threads(gauge_field_f, g_spinor_field[i], work, N_Jacobi, kappa_Jacobi);
#else
for(x0 = 0; x0 < T; x0++) {
Jacobi_Smearing_Steps(gauge_field_f, g_spinor_field[i], N_Jacobi, kappa_Jacobi, x0);
}
#endif
}
}
} else if(j==2) {
if(Nlong>0) {
// local-fuzzed -> phi[0-3]^dagger.phi[4-7] -> p.pf
ll = 1;
chi = &g_spinor_field[0];
psi = &g_spinor_field[ n_s*n_c];
chi2 = fermion_type == 0 ? &g_spinor_field[0] : NULL;
psi2 = fermion_type == 0 ? &g_spinor_field[2*n_s*n_c] : NULL;
for(i=0; i<n_s*n_c; i++) {
if(use_mms) {
sprintf(filename, "%s.%.4d.%.2d.%.2d.cgmms.%.2d.inverted", filename_prefix, Nconf, g_source_timeslice, i, mms1);
read_lime_spinor(work, filename, 0);
xchange_field(work);
Qf5(g_spinor_field[i+n_s*n_c], work, -g_mu);
if(fermion_type==0) {
Qf5(g_spinor_field[i+2*n_s*n_c], work, g_mu);
}
} else {
get_propagator_filename(filename, filename_prefix, source_coords, i, src_momentum, Nconf, 0);
check_error( read_lime_spinor(g_spinor_field[i+n_s*n_c], filename, g_propagator_position), "read_lime_spinor", NULL, 18);
if(fermion_type==0) {
get_propagator_filename(filename, filename_prefix2, source_coords, i, src_momentum, Nconf, 0);
check_error(read_lime_spinor(g_spinor_field[i+2*n_s*n_c], filename, g_propagator_position), "read_lime_spinor", NULL, 19);
//status = read_lime_spinor(g_spinor_field[i+2*n_s*n_c], filename, 1);
}
}
fprintf(stdout, "# fuzzing prop. with Nlong=%d\n", Nlong);
Fuzz_prop(gauge_field_f, g_spinor_field[i+n_s*n_c], Nlong);
if(fermion_type==0) {
Fuzz_prop(gauge_field_f, g_spinor_field[i+2*n_s*n_c], Nlong);
}
}
} else {
// smeared-local
ll = 2;
// fprintf(stdout, "# [cvc_2pt_conn] processing ll = 2\n");
chi = &g_spinor_field[0];
psi = &g_spinor_field[g_sink_momentum_set*n_s*n_c];
chi2 = fermion_type == 0 ? &g_spinor_field[0] : NULL;
psi2 = fermion_type == 0 ? &g_spinor_field[n_s*n_c*(1+g_sink_momentum_set)] : NULL;
for(i=0; i<n_s*n_c; i++) {
if(use_mms) {
sprintf(filename, "%s.%.4d.%.2d.%.2d.cgmms.%.2d.inverted", filename_prefix, Nconf, g_source_timeslice, i+n_s*n_c, mms1);
read_lime_spinor(work, filename, 0);
xchange_field(work);
Qf5(g_spinor_field[i], work, -g_mu);
if(fermion_type==0) {
Qf5(g_spinor_field[i+n_s*n_c], work, g_mu);
}
} else {
get_propagator_filename(filename, filename_prefix, source_coords, i+n_s*n_c, src_momentum_zero, Nconf, 0);
check_error( read_lime_spinor(g_spinor_field[i], filename, g_propagator_position), "read_lime_spinor", NULL, 20);
if(g_sink_momentum_set) {
get_propagator_filename(filename, filename_prefix, source_coords, i+n_s*n_c, src_momentum, Nconf, 0);
check_error( read_lime_spinor(g_spinor_field[i+n_s*n_c], filename, g_propagator_position), "read_lime_spinor", NULL, 20);
}
if(fermion_type==0) {
get_propagator_filename(filename, filename_prefix2, source_coords, i+n_s*n_c, src_momentum, Nconf, 0);
check_error( read_lime_spinor(g_spinor_field[i+n_s*n_c*(1+g_sink_momentum_set)], filename, g_propagator_position), "read_lime_spinor", NULL, 21);
//status = read_lime_spinor(g_spinor_field[i+n_s*n_c], filename, 1);
}
}
}
}
} else if(j==3) {
// smeared-smeared -> phi[0-3]^dagger.phi[4-7] -> f.pf
ll = 3;
// fprintf(stdout, "# [cvc_2pt_conn] processing ll = 3\n");
if(Nlong>0) {
chi = &g_spinor_field[0];
psi = &g_spinor_field[ n_s*n_c];
chi2 = fermion_type == 0 ? &g_spinor_field[0] : NULL;
psi2 = fermion_type == 0 ? &g_spinor_field[2*n_s*n_c]: NULL;
for(i=0; i<n_s*n_c; i++) {
if(use_mms) {
sprintf(filename, "%s.%.4d.%.2d.%.2d.cgmms.%.2d.inverted", filename_prefix, Nconf, g_source_timeslice, i+n_s*n_c, mms1);
read_lime_spinor(work, filename, 0);
xchange_field(work);
Qf5(g_spinor_field[i], work, -g_mu);
} else {
get_propagator_filename(filename, filename_prefix, source_coords, i+n_s*n_c, src_momentum_zero, Nconf, 0);
check_error( read_lime_spinor(g_spinor_field[i], filename, g_propagator_position), "read_lime_spinor", NULL, 22);
}
}
} else {
chi = &g_spinor_field[0];
psi = &g_spinor_field[g_sink_momentum_set*n_s*n_c];
chi2 = fermion_type==0 ? &g_spinor_field[0]: NULL;
psi2 = fermion_type==0 ? &g_spinor_field[n_s*n_c*(1+g_sink_momentum_set)]: NULL;
for(i = 0; i < ( (fermion_type==0) + g_sink_momentum_set + 1)*n_s*n_c; i++) {
#ifdef OPENMP
Jacobi_Smearing_Step_one_threads(gauge_field_f, g_spinor_field[i], work, N_Jacobi, kappa_Jacobi);
#else
for(x0 = 0; x0 < T; x0++) {
Jacobi_Smearing_Steps(gauge_field_f, g_spinor_field[i], N_Jacobi, kappa_Jacobi, x0);
}
#endif
}
}
#endif // of if 0
}
/************************************************************
* the charged contractions
************************************************************/
// set sl to start for timeslice
sl = 2*ll*T*K + 2*timeslice;
itype = 1;
// pion sector
for(idx=0; idx<9; idx++)
{
contract_twopoint_snk_momentum_trange(&cconn[sl], gindex1[idx], gindex2[idx], chi, psi, n_c, snk_momentum, 0, 0);
//for(x0=0; x0<T; x0++) fprintf(stdout, "pion: %3d%25.16e%25.16e\n", x0,
// cconn[sl+2*x0]/(double)VOL3/2./g_kappa/g_kappa, cconn[sl+2*x0+1]/(double)VOL3/2./g_kappa/g_kappa);
sl += (2*T);
itype++;
}
// rho sector
for(idx = 9; idx < 36; idx+=3) {
for(i = 0; i < 3; i++) {
for(x0=0; x0<2*T; x0++) Ctmp[x0] = 0.;
contract_twopoint_snk_momentum_trange(Ctmp, gindex1[idx+i], gindex2[idx+i], chi, psi, n_c, snk_momentum, 0, 0);
for(x0=0; x0<T; x0++) {
cconn[sl+2*x0 ] += (conf_gamma_sign[(idx-9)/3]*vsign[idx-9+i]*Ctmp[2*x0 ]);
cconn[sl+2*x0+1] += (conf_gamma_sign[(idx-9)/3]*vsign[idx-9+i]*Ctmp[2*x0+1]);
}
//for(x0=0; x0<T; x0++) {
// x1 = (x0+timeslice)%T_global;
// fprintf(stdout, "rho: %3d%25.16e%25.16e\n", x0,
// vsign[idx-9+i]*Ctmp[2*x1 ]/(double)VOL3/2./g_kappa/g_kappa,
// vsign[idx-9+i]*Ctmp[2*x1+1]/(double)VOL3/2./g_kappa/g_kappa);
//}
}
sl += (2*T);
itype++;
}
// the a0
contract_twopoint_snk_momentum_trange(&cconn[sl], gindex1[36], gindex2[36], chi, psi, n_c, snk_momentum, 0, 0);
sl += (2*T);
itype++;
// the b1
for(i=0; i<3; i++) {
for(x0=0; x0<2*T; x0++) Ctmp[x0] = 0.;
idx = 37;
contract_twopoint_snk_momentum_trange(Ctmp, gindex1[idx+i], gindex2[idx+i], chi, psi, n_c, snk_momentum, 0, 0);
for(x0=0; x0<T; x0++) {
cconn[sl+2*x0 ] += (vsign[idx-9+i]*Ctmp[2*x0 ]);
cconn[sl+2*x0+1] += (vsign[idx-9+i]*Ctmp[2*x0+1]);
}
}
#if 0
#endif
/************************************************************
* the neutral contractions
************************************************************/
if(fermion_type == 0) {
// set sl to start at timeslice
sl = 2*ll*nK*T + 2*timeslice;
itype = 1;
// pion sector first
for(idx=0; idx<9; idx++) {
contract_twopoint_snk_momentum_trange(&nconn[sl], ngindex1[idx], ngindex2[idx], chi2, psi2, n_c, snk_momentum, 0, 0);
sl += (2*T);
itype++;
}
// the neutral rho
for(idx=9; idx<36; idx+=3) {
for(i=0; i<3; i++) {
for(x0=0; x0<2*T; x0++) Ctmp[x0] = 0.;
contract_twopoint_snk_momentum_trange(Ctmp, ngindex1[idx+i], ngindex2[idx+i], chi2, psi2, n_c, snk_momentum, 0, 0);
for(x0=0; x0<T; x0++) {
nconn[sl+2*x0 ] += (nvsign[idx-9+i]*Ctmp[2*x0 ]);
nconn[sl+2*x0+1] += (nvsign[idx-9+i]*Ctmp[2*x0+1]);
}
}
sl += (2*T);
itype++;
}
// the X (JPC=0+- with no experimental candidate known)
contract_twopoint_snk_momentum_trange(&nconn[sl], ngindex1[36], ngindex2[36], chi2, psi2, n_c, snk_momentum, 0, 0);
sl += (2*T);
itype++;
// the a1/f1
for(i = 0; i < 3; i++) {
for(x0=0; x0<2*T; x0++) Ctmp[x0] = 0.;
idx = 37;
contract_twopoint_snk_momentum_trange(Ctmp, ngindex1[idx+i], ngindex2[idx+i], chi2, psi2, n_c, snk_momentum, 0, 0);
for(x0=0; x0<T; x0++) {
nconn[sl+2*x0 ] += (nvsign[idx-9+i]*Ctmp[2*x0 ]);
nconn[sl+2*x0+1] += (nvsign[idx-9+i]*Ctmp[2*x0+1]);
}
}
#if 0
#endif
} // of if fermion_type == 0
} // of j=0,...,3
} // of loop on timeslice
// write to file
if(g_source_type == 0) {
sprintf(filename, "charged.t%.2dx%.2dy%.2dz%.2d.%.4d", source_coords[0], source_coords[1], source_coords[2],
source_coords[3], Nconf);
} else {
sprintf(filename, "charged.%.2d.%.4d", g_source_timeslice, Nconf);
}
if(use_mms) {
sprintf(filename, "%s.%d", filename, mms1);
}
if(imom==0) {
ofs=fopen(filename, "w");
} else {
ofs=fopen(filename, "a");
}
if( ofs == (FILE*)NULL ) {
fprintf(stderr, "[cvc_2pt_conn] Error, could not open file %s for writing\n", filename);
EXIT(6);
}
fprintf(stdout, "# [cvc_2pt_conn] proc%.4d writing charged correlators to file %s\n", proc_id, filename);
fprintf(ofs, "# %3d%3d%3d%3d%10.6f%8.4f (%d,%d,%d) (%d,%d,%d)\n", T, LX, LY, LZ, g_kappa, g_mu,
src_momentum[0], src_momentum[1], src_momentum[2], snk_momentum[0], snk_momentum[1], snk_momentum[2]);
for(idx=0; idx<K; idx++)
// for(idx=0; idx<1; idx++)
{
// for(ll=0; ll<4; ll++)
for(ll=0; ll<1; ll++)
{
x1 = (0 + g_source_timeslice) % T_global;
i = 2* ( (x1/T)*4*K*T + ll*K*T + idx*T + x1%T ) + isimag[idx];
fprintf(ofs, "%3d%3d%4d%25.16e%25.16e\n", idx+1, 2*ll+1, 0, isneg[idx]*cconn[i]*correlator_norm, 0.);
for(x0=1; x0<T_global/2; x0++) {
x1 = ( x0+g_source_timeslice) % T_global;
x2 = (-x0+g_source_timeslice+T_global) % T_global;
i = 2* ( (x1/T)*4*K*T + ll*K*T + idx*T + x1%T ) + isimag[idx];
j = 2* ( (x2/T)*4*K*T + ll*K*T + idx*T + x2%T ) + isimag[idx];
//fprintf(stdout, "idx=%d; x0=%d, x1=%d, x2=%d, i=%d, j=%d\n", idx, x0, x1, x2, i, j);
fprintf(ofs, "%3d%3d%4d%25.16e%25.16e\n", idx+1, 2*ll+1, x0, isneg[idx]*cconn[i]*correlator_norm, isneg[idx]*cconn[j]*correlator_norm);
}
x0 = T_global/2;
x1 = (x0+g_source_timeslice) % T_global;
i = 2* ( (x1/T)*4*K*T + ll*K*T + idx*T + x1%T ) + isimag[idx];
fprintf(ofs, "%3d%3d%4d%25.16e%25.16e\n", idx+1, 2*ll+1, x0, isneg[idx]*cconn[i]*correlator_norm, 0.);
//for(x0=0; x0<T_global; x0++) {
// x1 = x0;
// i = 2* ( (x1/T)*4*K*T + ll*K*T + idx*T + x1%T );
// fprintf(ofs, "%3d%3d%4d%25.16e%25.16e%3d%3d%3d\n", idx+1, 2*ll+1, x0, isneg[idx]*cconn[i]*correlator_norm, isneg[idx]*cconn[i+1]*correlator_norm,
// snk_momentum[0], snk_momentum[1], snk_momentum[2]);
//}
}
}
fclose(ofs);
if(fermion_type==0) {
if(g_source_type == 0) {
sprintf(filename, "neutral.t%.2dx%.2dy%.2dz%.2d.%.4d", source_coords[0], source_coords[1], source_coords[2],
source_coords[3], Nconf);
} else {
sprintf(filename, "neutral.%.2d.%.4d", g_source_timeslice, Nconf);
}
if(use_mms) {
sprintf(filename, "%s.%d", filename, mms1);
}
if(imom==0) {
ofs=fopen(filename, "w");
} else {
ofs=fopen(filename, "a");
}
if( ofs == (FILE*)NULL ) {
fprintf(stderr, "Error, could not open file %s for writing\n", filename);
EXIT(7);