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propagator_io.c
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propagator_io.c
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/*
* TODO:
* - change all writing routines to enable use of MPI
* - _ATTENTION_ prec=32 will not work properly -> MPI-message is still 64 even
* if writing in 32 !!!
* CHANGES:
* - I do not write the propagator type -> changed file-opening mode
* write_propagator_format to "w"
*/
#define _FILE_OFFSET_BITS 64
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <sys/time.h>
#include <sys/types.h>
#include <math.h>
#ifdef HAVE_MPI
# include <mpi.h>
# include <unistd.h>
#endif
#ifdef __cplusplus
extern "C"
{
#endif
# include "lime.h"
# ifdef HAVE_LIBLEMON
# include "lemon.h"
# endif
#ifdef __cplusplus
}
#endif
#include "cvc_complex.h"
#include "global.h"
#include "cvc_geometry.h"
#include "dml.h"
#include "cvc_linalg.h"
#include "io_utils.h"
#include "cvc_utils.h"
#include "Q_phi.h"
#include "propagator_io.h"
namespace cvc {
/* write a one flavour propagator to file */
#ifdef HAVE_LIBLEMON
int write_propagator(double * const s, char * filename, const int append, const int prec) {
return(-1);
#if 0
MPI_File * ifs = NULL;
LemonWriter * writer = NULL;
LemonRecordHeader * header = NULL;
int status = 0;
int ME_flag=0, MB_flag=0;
n_uint64_t bytes;
DML_Checksum checksum;
char *message;
n_uint64_t N = 12;
if(g_cart_id == 0) fprintf(stdout, "\n# [write_propagator] constructing lemon writer for file %s\n", filename);
ifs = (MPI_File*)malloc(sizeof(MPI_File));
status = MPI_File_open(g_cart_grid, filename, MPI_MODE_WRONLY | MPI_MODE_CREATE, MPI_INFO_NULL, ifs);
if(status == MPI_SUCCESS) status = MPI_File_set_size(*ifs, 0);
status = (status == MPI_SUCCESS) ? 0 : 1;
writer = lemonCreateWriter(ifs, g_cart_grid);
status = status || (writer == NULL);
if(status) {
fprintf(stderr, "[write_lime_contraction] Error, could not open file for writing\n");
MPI_Abort(MPI_COMM_WORLD, 120);
MPI_Finalize();
exit(120);
}
// format message
message = (char*)malloc(2048);
sprintf(message, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<cvcFormat>\n<type>%s</type>\n<precision>%d</precision>\n<components>%d</components>\n<lx>%d</lx>\n<ly>%d</ly>\n<lz>%d</lz>\n<lt>%d</lt>\n<nconf>%d</nconf>\n<source>%d</source>\n</cvcFormat>\ndate %s", type, prec, N, LX*g_nproc_x, LY*g_nproc_y, LZ*g_nproc_z, T_global, gid, sid, ctime(&g_the_time));
bytes = strlen(message);
MB_flag=1, ME_flag=1;
header = lemonCreateHeader(MB_flag, ME_flag, "cvc_contraction-format", bytes);
status = lemonWriteRecordHeader(header, writer);
lemonDestroyHeader(header);
lemonWriteRecordData( message, &bytes, writer);
lemonWriterCloseRecord(writer);
free(message);
// binary data message
bytes = (n_uint64_t)LX_global * LY_global * LZ_global * T_global * (n_uint64_t) (2*N*sizeof(double) * prec / 64);
MB_flag=1, ME_flag=0;
header = lemonCreateHeader(MB_flag, ME_flag, "scidac-binary-data", bytes);
status = lemonWriteRecordHeader(header, writer);
lemonDestroyHeader(header);
write_binary_contraction_data(s, writer, prec, N, &checksum);
// checksum message
message = (char*)malloc(512);
sprintf(message, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<scidacChecksum>\n"
" <version>1.0</version>\n"
" <suma>%08x</suma>\n"
" <sumb>%08x</sumb>\n"
"</scidacChecksum>", checksum.suma, checksum.sumb);
bytes = strlen(message);
MB_flag=0, ME_flag=1;
header = lemonCreateHeader(MB_flag, ME_flag, "scidac-checksum", bytes);
status = lemonWriteRecordHeader(header, writer);
lemonDestroyHeader(header);
lemonWriteRecordData( message, &bytes, writer);
lemonWriterCloseRecord(writer);
free(message);
lemonDestroyWriter(writer);
MPI_File_close(ifs);
free(ifs);
return(0);
#endif /* of if def */
}
#else
int write_propagator(double * const s, char * filename,
const int append, const int prec) {
int err = 0;
write_propagator_format(filename, prec, 1);
err = write_lime_spinor(s, filename, 1, prec);
return(err);
}
#endif
#ifdef HAVE_LIBLEMON
int write_binary_spinor_data(double * const s, LemonWriter * writer,
const int prec, DML_Checksum * ans) {
return(-1);
}
#else
int write_binary_spinor_data(double * const s, LimeWriter * limewriter,
const int prec, DML_Checksum * ans) {
int x, y, z, t, i=0, status=0;
double tmp[24];
float tmp2[24];
int iproc;
n_uint64_t bytes;
DML_SiteRank rank;
#ifdef HAVE_MPI
int tgeom[2];
double *buffer;
MPI_Status mstatus;
#endif
int words_bigendian = big_endian();
DML_checksum_init(ans);
if(prec == 32) bytes = (n_uint64_t)24*sizeof(float);
else bytes = (n_uint64_t)24*sizeof(double);
if(g_cart_id==0) {
for(t = 0; t < T; t++) {
for(z = 0; z < LZ; z++) {
for(y = 0; y < LY; y++) {
for(x = 0; x < LX; x++) {
/* Rank should be computed by proc 0 only */
rank = (DML_SiteRank) ((( (t+Tstart)*LZ + z)*LY + y)*LX + x);
i = 24 * g_ipt[t][x][y][z];
if(!words_bigendian) {
if(prec == 32) {
byte_swap_assign_double2single((float*)tmp2, s + i, 24);
DML_checksum_accum(ans,rank,(char *) tmp2,24*sizeof(float));
status = limeWriteRecordData((void*)tmp2, &bytes, limewriter);
}
else {
byte_swap_assign(tmp, s + i , 24);
DML_checksum_accum(ans,rank,(char *) tmp,24*sizeof(double));
status = limeWriteRecordData((void*)tmp, &bytes, limewriter);
}
}
else {
if(prec == 32) {
double2single((float*)tmp2, (s + i), 24);
DML_checksum_accum(ans,rank,(char *) tmp2,24*sizeof(float));
status = limeWriteRecordData((void*)tmp2, &bytes, limewriter);
}
else {
status = limeWriteRecordData((void*)(s + i), &bytes, limewriter);
DML_checksum_accum(ans,rank,(char *) (s + i), 24*sizeof(double));
}
}
}
}
}
}
} /* of if g_cart_id == 0 */
#ifdef HAVE_MPI
#if (defined PARALLELTX) || (defined PARALLELTXY) || (defined PARALLELTXYZ)
return(1);
#else
tgeom[0] = Tstart;
tgeom[1] = T;
for(iproc=1; iproc<g_nproc; iproc++) {
if(g_cart_id==0) {
MPI_Recv((void*)tgeom, 2, MPI_INT, iproc, 100+iproc, g_cart_grid, &mstatus);
fprintf(stdout, "# [write_binary_spinor_data] iproc = %d; Tstart = %d, T = %d\n", iproc, tgeom[0], tgeom[1]);
buffer = (double*)malloc(24*LX*LY*LZ*tgeom[1]*sizeof(double));
if(buffer==(double*)NULL) {
fprintf(stderr, "[write_binary_spinor_data] error using malloc for buffer\n Aborting...\n");
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(500);
}
MPI_Recv((void*)buffer, 24*LX*LY*LZ*tgeom[1], MPI_DOUBLE, iproc, 200+iproc, g_cart_grid, &mstatus);
for(t=0; t<tgeom[1]; t++) {
for(z=0; z<LZ; z++) {
for(y=0; y<LY; y++) {
for(x=0; x<LX; x++) {
rank = (DML_SiteRank) ((( (t+tgeom[0])*LZ + z)*LY + y)*LX + x);
i = 24 * ( ((t*LX + x)*LY + y)*LZ + z );
if(!words_bigendian) {
if(prec == 32) {
byte_swap_assign_double2single(tmp2, buffer + i, 24);
DML_checksum_accum(ans,rank,(char *) tmp2,24*sizeof(float));
status = limeWriteRecordData((void*)tmp2, &bytes, limewriter);
}
else {
byte_swap_assign(tmp, buffer + i , 24);
DML_checksum_accum(ans,rank,(char *) tmp,24*sizeof(double));
status = limeWriteRecordData((void*)tmp, &bytes, limewriter);
}
} else {
if(prec == 32) {
double2single(tmp2, buffer+i, 24);
DML_checksum_accum(ans,rank,(char *)tmp2, 24*sizeof(float));
status = limeWriteRecordData((void*)tmp2, &bytes, limewriter);
}
else {
status = limeWriteRecordData((void*)(buffer + i), &bytes, limewriter);
DML_checksum_accum(ans,rank,(char *) (buffer + i), 24*sizeof(double));
}
}
}
}
}
}
free(buffer);
}
if(g_cart_id==iproc) {
MPI_Send((void*)tgeom, 2, MPI_INT, 0, 100+iproc, g_cart_grid);
MPI_Send((void*) s, 24*LX*LY*LZ*T, MPI_DOUBLE, 0, 200+iproc, g_cart_grid);
}
MPI_Barrier(g_cart_grid);
fprintf(stdout, " [write_binary_spinor_data %d] finished iproc = %d\n", g_cart_id, iproc);
}
#endif /* if PARALLELTX || PARALLELTXY || PARALLELTXYZ */
#endif
#ifdef HAVE_MPI
MPI_Barrier(g_cart_grid);
#endif
return(0);
}
#endif /* HAVE_LIBLEMON */
#ifdef HAVE_LIBLEMON
int read_binary_spinor_data(double * const s, LemonReader * reader,
const int prec, DML_Checksum *checksum) {
int t, x, y , z, i = 0, status = 0;
int latticeSize[] = {T_global, LX_global, LY_global, LZ_global};
int scidacMapping[] = {0, 3, 2, 1};
n_uint64_t bytes;
double *p = NULL;
char *filebuffer = NULL, *current = NULL;
double tick = 0, tock = 0;
DML_SiteRank rank;
uint64_t fbspin;
char measure[64];
int words_bigendian = big_endian();
DML_checksum_init(checksum);
fbspin = 24*sizeof(double);
if (prec == 32) fbspin /= 2;
bytes = fbspin;
if((void*)(filebuffer = (char*)malloc(VOLUME * bytes)) == NULL) {
fprintf (stderr, "[read_binary_spinor_data] malloc errno in read_binary_spinor_data_parallel\n");
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(501);
}
status = lemonReadLatticeParallelMapped(reader, filebuffer, bytes, latticeSize, scidacMapping);
if (status < 0 && status != LEMON_EOR) {
fprintf(stderr, "[read_binary_spinor_data] LEMON read error occured with status = %d while reading!\nPanic! Aborting...\n", status);
MPI_File_close(reader->fp);
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(502);
}
for (t = 0; t < T; t++) {
for (z = 0; z < LZ; z++) {
for (y = 0; y < LY; y++) {
for (x = 0; x < LX; x++) {
rank = (DML_SiteRank)( LXstart + (((Tstart + t) * (LZ*g_nproc_z) + LZstart + z) * (LY*g_nproc_y) + LYstart + y) * ((DML_SiteRank) LX * g_nproc_x) + x);
current = filebuffer + bytes * (x + (y + (t * LZ + z) * LY) * LX);
DML_checksum_accum(checksum, rank, current, bytes);
i = g_ipt[t][x][y][z];
p = s + _GSI(i);
if(!words_bigendian) {
if (prec == 32)
byte_swap_assign_single2double(p, current, 24*sizeof(double) / 8);
else
byte_swap_assign(p, current, 24*sizeof(double) / 8);
} else {
if (prec == 32)
single2double(p, current, 24*sizeof(double) / 8);
else
memcpy(p, current, 24*sizeof(double));
}
}}}}
DML_global_xor(&checksum->suma);
DML_global_xor(&checksum->sumb);
free(filebuffer);
return(0);
}
#else
int read_binary_spinor_data(double * const s, LimeReader * limereader,
const int prec, DML_Checksum *ans) {
int status=0;
n_uint64_t bytes, ix;
double tmp[24];
DML_SiteRank rank;
float tmp2[24];
int words_bigendian;
unsigned int t, x, y, z;
words_bigendian = big_endian();
DML_checksum_init(ans);
rank = (DML_SiteRank) 0;
if(prec == 32) bytes = 24*sizeof(float);
else bytes = 24*sizeof(double);
for(t = 0; t < T; t++){
for(z = 0; z < LZ; z++){
for(y = 0; y < LY; y++){
#if (defined HAVE_MPI)
limeReaderSeek(limereader,(n_uint64_t) ( (((Tstart+t)*(LZ*g_nproc_z) + LZstart + z)*(LY*g_nproc_y)+LYstart+y)*(LX*g_nproc_x) +LXstart )*bytes, SEEK_SET);
#endif
for(x = 0; x < LX; x++){
ix = g_ipt[t][x][y][z]*(n_uint64_t)12;
rank = (DML_SiteRank) ((((Tstart+t)*(LZ*g_nproc_z)+LZstart + z)*(LY*g_nproc_y) + LYstart + y)*(DML_SiteRank)(LX*g_nproc_x) + LXstart + x);
if(prec == 32) {
status = limeReaderReadData(tmp2, &bytes, limereader);
DML_checksum_accum(ans,rank,(char *) tmp2, bytes);
}
else {
status = limeReaderReadData(tmp, &bytes, limereader);
DML_checksum_accum(ans,rank,(char *) tmp, bytes);
}
if(!words_bigendian) {
if(prec == 32) {
byte_swap_assign_single2double(&s[2*ix], (float*)tmp2, 24);
}
else {
byte_swap_assign(&s[2*ix], tmp, 24);
}
}
else {
if(prec == 32) {
single2double(&s[2*ix], (float*)tmp2, 24);
}
else memcpy(&s[2*ix], tmp, bytes);
}
if(status < 0 && status != LIME_EOR) {
return(-1);
}
}
}
}
}
#ifdef HAVE_MPI
DML_checksum_combine(ans);
#endif
if(g_cart_id == 0) printf("[read_binary_spinor_data] The final checksum is %#lx %#lx\n", (*ans).suma, (*ans).sumb);
return(0);
}
#endif /* HAVE_LIBLEMON */
/************************************************************
*
************************************************************/
int write_checksum(char * filename, DML_Checksum * checksum) {
FILE * ofs = NULL;
LimeWriter * limewriter = NULL;
LimeRecordHeader * limeheader = NULL;
int status = 0;
int ME_flag=0, MB_flag=1;
char message[500];
n_uint64_t bytes;
/* char * message; */
if(g_cart_id == 0) {
ofs = fopen(filename, "a");
if(ofs == (FILE*)NULL) {
fprintf(stderr, "[write_checksum] Could not open file %s for writing!\n Aborting...\n", filename);
#ifdef HAVE_MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(500);
}
limewriter = limeCreateWriter( ofs );
if(limewriter == (LimeWriter*)NULL) {
fprintf(stderr, "[write_checksum] LIME error in file %s for writing!\n Aborting...\n", filename);
#ifdef HAVE_MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(500);
}
sprintf(message, "<?xml version=\"1.0\" encoding=\"UTF-8\"?><scidacChecksum><version>1.0</version><suma>%#010x</suma><sumb>%#010x</sumb></scidacChecksum>", (*checksum).suma, (*checksum).sumb);
bytes = strlen( message );
limeheader = limeCreateHeader(MB_flag, ME_flag, "scidac-checksum", bytes);
status = limeWriteRecordHeader( limeheader, limewriter);
if(status < 0 ) {
fprintf(stderr, "[write_checksum] LIME write header error %d\n", status);
#ifdef HAVE_MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(500);
}
limeDestroyHeader( limeheader );
limeWriteRecordData(message, &bytes, limewriter);
limeDestroyWriter( limewriter );
fflush(ofs);
fclose(ofs);
}
#ifdef HAVE_MPI
MPI_Barrier(g_cart_grid);
#endif
return(0);
}
int write_propagator_type(const int type, char * filename) {
FILE * ofs = NULL;
LimeWriter * limewriter = NULL;
LimeRecordHeader * limeheader = NULL;
int status = 0;
int ME_flag=1, MB_flag=1;
char message[500];
n_uint64_t bytes;
ofs = fopen(filename, "w");
if(ofs == (FILE*)NULL) {
fprintf(stderr, "[write_propagator_type] Could not open file %s for writing!\n Aboring...\n", filename);
exit(500);
}
limewriter = limeCreateWriter( ofs );
if(limewriter == (LimeWriter*)NULL) {
fprintf(stderr, "[write_propagator_type] LIME error in file %s for writing!\n Aborting...\n", filename);
exit(500);
}
if(type == 0) {
sprintf(message,"DiracFermion_Sink");
bytes = strlen( message );
}
else if (type == 1) {
sprintf(message,"DiracFermion_Source_Sink_Pairs");
bytes = strlen( message );
}
else if (type == 2) {
sprintf(message,"DiracFermion_ScalarSource_TwelveSink");
bytes = strlen( message );
}
else if (type == 3) {
sprintf(message,"DiracFermion_ScalarSource_FourSink");
bytes = strlen( message );
}
limeheader = limeCreateHeader(MB_flag, ME_flag, "etmc-propagator-type", bytes);
status = limeWriteRecordHeader( limeheader, limewriter);
if(status < 0 ) {
fprintf(stderr, "[write_propagator_type] LIME write header error %d\n", status);
exit(500);
}
limeDestroyHeader( limeheader );
limeWriteRecordData(message, &bytes, limewriter);
limeDestroyWriter( limewriter );
fflush(ofs);
fclose(ofs);
return(0);
}
int write_propagator_format(char * filename, const int prec, const int no_flavours) {
FILE * ofs = NULL;
LimeWriter * limewriter = NULL;
LimeRecordHeader * limeheader = NULL;
int status = 0;
int ME_flag=0, MB_flag=1;
char message[500];
n_uint64_t bytes;
/* char * message; */
if(g_cart_id==0) {
/* ofs = fopen(filename, "a"); */
ofs = fopen(filename, "w");
if(ofs == (FILE*)NULL) {
fprintf(stderr, "[write_propagator_format] Could not open file %s for writing!\n Aborting...\n", filename);
#ifdef HAVE_MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(500);
}
limewriter = limeCreateWriter( ofs );
if(limewriter == (LimeWriter*)NULL) {
fprintf(stderr, "[write_propagator_format] LIME error in file %s for writing!\n Aborting...\n", filename);
#ifdef HAVE_MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(500);
}
sprintf(message, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<etmcFormat>\n<field>diracFermion</field>\n<precision>%d</precision>\n<flavours>%d</flavours>\n<lx>%d</lx>\n<ly>%d</ly>\n<lz>%d</lz>\n<lt>%d</lt>\n</etmcFormat>", prec, no_flavours, LX_global, LY_global, LZ_global, T_global);
bytes = strlen( message );
limeheader = limeCreateHeader(MB_flag, ME_flag, "etmc-propagator-format", bytes);
status = limeWriteRecordHeader( limeheader, limewriter);
if(status < 0 ) {
fprintf(stderr, "[write_propagator_format] LIME write header error %d\n", status);
#ifdef HAVE_MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(500);
}
limeDestroyHeader( limeheader );
limeWriteRecordData(message, &bytes, limewriter);
limeDestroyWriter( limewriter );
fflush(ofs);
fclose(ofs);
}
return(0);
}
#ifdef HAVE_LIBLEMON
int write_lime_spinor(double * const s, char * filename, const int append, const int prec) {
return(-1);
}
#else
int write_lime_spinor(double * const s, char * filename,
const int append, const int prec) {
FILE * ofs = NULL;
LimeWriter * limewriter = NULL;
LimeRecordHeader * limeheader = NULL;
int status = 0;
int ME_flag=0, MB_flag=0;
n_uint64_t bytes;
DML_Checksum checksum;
if(g_cart_id==0) {
if(append) {
ofs = fopen(filename, "a");
}
else {
ofs = fopen(filename, "w");
}
if(ofs == (FILE*)NULL) {
fprintf(stderr, "[write_lime_spinor] Could not open file %s for writing!\n Aborting...\n", filename);
#ifdef HAVE_MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(500);
}
limewriter = limeCreateWriter( ofs );
if(limewriter == (LimeWriter*)NULL) {
fprintf(stderr, "[write_lime_spinor] LIME error in file %s for writing!\n Aborting...\n", filename);
#ifdef HAVE_MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(500);
}
bytes = (LX*g_nproc_x)*LY*LZ*T_global*(n_uint64_t)24*sizeof(double)*prec/64;
MB_flag=0; ME_flag=1;
limeheader = limeCreateHeader(MB_flag, ME_flag, "scidac-binary-data", bytes);
status = limeWriteRecordHeader( limeheader, limewriter);
if(status < 0 ) {
fprintf(stderr, "[write_lime_spinor] LIME write header (scidac-binary-data) error %d\n", status);
#ifdef HAVE_MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(500);
}
limeDestroyHeader( limeheader );
}
status = write_binary_spinor_data(s, limewriter, prec, &checksum);
if(g_cart_id==0) {
printf("# [write_lime_spinor] Final check sum is (%#lx %#lx)\n", checksum.suma, checksum.sumb);
if(ferror(ofs)) {
fprintf(stderr, "[write_lime_spinor] Warning! Error while writing to file %s \n", filename);
}
limeDestroyWriter( limewriter );
fflush(ofs);
fclose(ofs);
}
write_checksum(filename, &checksum);
return(0);
}
#endif // of if HAVE_LIBLEMON
int get_propagator_type(char * filename) {
FILE * ifs;
int status=0, ret=-1;
n_uint64_t bytes;
char * tmp;
LimeReader * limereader;
if((ifs = fopen(filename, "r")) == (FILE*)NULL) {
fprintf(stderr, "[get_propagator_type] Error opening file %s\n", filename);
return(ret);
}
limereader = limeCreateReader( ifs );
if( limereader == (LimeReader *)NULL ) {
fprintf(stderr, "[get_propagator_type] Unable to open LimeReader\n");
return(ret);
}
while( (status = limeReaderNextRecord(limereader)) != LIME_EOF ) {
if(status != LIME_SUCCESS ) {
fprintf(stderr, "[get_propagator_type] limeReaderNextRecord returned error with status = %d!\n", status);
status = LIME_EOF;
break;
}
if(strcmp("etmc-propagator-type", limeReaderType(limereader)) == 0) break;
}
if(status == LIME_EOF) {
fprintf(stderr, "[get_propagator_type] no etmc-propagator-type record found in file %s\n",filename);
limeDestroyReader(limereader);
fclose(ifs);
return(ret);
}
tmp = (char*) calloc(500, sizeof(char));
bytes = limeReaderBytes(limereader);
status = limeReaderReadData(tmp, &bytes, limereader);
limeDestroyReader(limereader);
fclose(ifs);
if(strcmp("DiracFermion_Sink", tmp) == 0) ret = 0;
else if(strcmp("DiracFermion_Source_Sink_Pairs", tmp) == 0) ret = 1;
else if(strcmp("DiracFermion_ScalarSource_TwelveSink", tmp) == 0) ret = 2;
else if(strcmp("DiracFermion_ScalarSource_FourSink", tmp) == 0) ret = 3;
free(tmp);
return(ret);
}
#ifdef HAVE_LIBLEMON
int read_lime_spinor(double * const s, char * filename, const int position) {
MPI_File *ifs;
int status = 0, getpos = 0, prec = 0, prop_type;
char *header_type = NULL;
LemonReader *reader = NULL;
DML_Checksum checksum;
n_uint64_t bytes = 0;
if(g_cart_id==0)
fprintf(stdout, "# [read_lime_spinor] reading prop in LEMON format from file %s at pos %d\n", filename, position);
ifs = (MPI_File*)malloc(sizeof(MPI_File));
status = MPI_File_open(g_cart_grid, filename, MPI_MODE_RDONLY, MPI_INFO_NULL, ifs);
status = (status == MPI_SUCCESS) ? 0 : 1;
if(status) {
fprintf(stderr, "[read_lime_spinor] Err, could not open file for reading\n");
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(500);
}
if( (reader = lemonCreateReader(ifs, g_cart_grid))==NULL ) {
fprintf(stderr, "[read_lime_spinor] Error, could not create lemon reader.\n");
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(502);
}
while ((status = lemonReaderNextRecord(reader)) != LIME_EOF) {
if (status != LIME_SUCCESS) {
fprintf(stderr, "[read_lime_spinor] lemonReaderNextRecord returned status %d.\n", status);
status = LIME_EOF;
break;
}
header_type = lemonReaderType(reader);
if (strcmp("scidac-binary-data", header_type) == 0) {
if (getpos == position)
break;
else
++getpos;
}
}
if (status == LIME_EOF) {
fprintf(stderr, "[read_lime_spinor] Error, no scidac-binary-data record found in file.\n");
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(500);
}
bytes = lemonReaderBytes(reader);
if (bytes == (n_uint64_t)LX * g_nproc_x * LY * g_nproc_y * LZ * g_nproc_z * T_global * 24*sizeof(double)) {
prec = 64;
} else {
if (bytes == (n_uint64_t)LX * g_nproc_x * LY * g_nproc_y * LZ * g_nproc_z * T_global * 24* sizeof(double) / 2) {
prec = 32;
} else {
if(g_cart_id==0) fprintf(stderr, "[read_lime_spinor] Error, wrong length in spinor. Aborting read!\n");
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
exit(501);
}
}
if(g_cart_id==0) fprintf(stdout, "# [read_lime_spinor] %d bit precision read.\n", prec);
read_binary_spinor_data(s, reader, prec, &checksum);
if (g_cart_id == 0) fprintf(stdout, "# [read_lime_spinor] checksum for DiracFermion field in file %s position %d is %#x %#x\n",
filename, position, checksum.suma, checksum.sumb);
lemonDestroyReader(reader);
MPI_File_close(ifs);
free(ifs);
return(0);
}
#else
int read_lime_spinor(double * const s, char * filename, const int position) {
FILE * ifs;
int status=0, getpos=-1;
n_uint64_t bytes;
char * header_type;
LimeReader * limereader;
n_uint64_t prec = 32;
DML_Checksum checksum;
if((ifs = fopen(filename, "r")) == (FILE*)NULL) {
fprintf(stderr, "[read_lime_spinor] Error opening file %s\n", filename);
return(-1);
}
if(g_proc_id==0) fprintf(stdout, "# [read_lime_spinor] Reading Dirac-fermion field in LIME format from %s\n", filename);
limereader = limeCreateReader( ifs );
if( limereader == (LimeReader *)NULL ) {
fprintf(stderr, "[read_lime_spinor] Unable to open LimeReader\n");
return(-1);
}
while( (status = limeReaderNextRecord(limereader)) != LIME_EOF ) {
if(status != LIME_SUCCESS ) {
fprintf(stderr, "[read_lime_spinor] limeReaderNextRecord returned error with status = %d!\n", status);
status = LIME_EOF;
break;
}
header_type = limeReaderType(limereader);
if(strcmp("scidac-binary-data",header_type) == 0) getpos++;
if(getpos == position) break;
}
if(status == LIME_EOF) {
fprintf(stderr, "[read_lime_spinor] no scidac-binary-data record found in file %s\n",filename);
limeDestroyReader(limereader);
fclose(ifs);
if(g_proc_id==0) fprintf(stderr, "[read_lime_spinor] try to read in CMI format\n");
return(read_cmi(s, filename));
}
bytes = limeReaderBytes(limereader);
if(bytes == (LX*g_nproc_x)*(LY*g_nproc_y)*(LZ*g_nproc_z)*T_global*(uint64_t)(24*sizeof(double))) prec = 64;
else if(bytes == (LX*g_nproc_x)*(LY*g_nproc_y)*(LZ*g_nproc_z)*T_global*(uint64_t)(24*sizeof(float))) prec = 32;
else {
fprintf(stderr, "[read_lime_spinor] wrong length in eospinor: bytes = %llu, not %llu. Aborting read!\n",
bytes, (LX*g_nproc_x)*(LY*g_nproc_y)*(LZ*g_nproc_z)*T_global*(uint64_t)(24*sizeof(double)));
return(-1);
}
if(g_cart_id == 0) printf("# [read_lime_spinor] %llu Bit precision read\n", prec);
status = read_binary_spinor_data(s, limereader, prec, &checksum);
if(status < 0) {
fprintf(stderr, "[read_lime_spinor] LIME read error occured with status = %d while reading file %s!\n Aborting...\n",
status, filename);
#ifdef HAVE_MPI
MPI_Abort(MPI_COMM_WORLD, 1);
MPI_Finalize();
#endif
exit(500);
}
limeDestroyReader(limereader);
fclose(ifs);
return(0);
}
#endif /* HAVE_LIBLEMON */
/**************************************************
* read propagator in CMI format
*
* - What about the phase factor?
*
**************************************************/
int read_cmi(double *v, const char * filename) {
int x, y, z, t, ix, idx, i;
FILE * ifs;
float tmp[24];
double _2_kappa;
ifs = fopen(filename, "r");
if(ifs==(FILE*)NULL) {
fprintf(stderr, "[read_cmi] could not open file %s for reading\n", filename);
return(-1);
}
if(g_cart_id==0) fprintf(stdout, "[read_cmi] Reading Dirac-fermion field in CMI format from %s\n", filename);
_2_kappa = 2.0 * g_kappa;
for(x = 0; x < LX; x++) {
for(y = 0; y < LY; y++) {
for(z = 0; z < LZ; z++) {
#ifdef HAVE_MPI
fseek(ifs, (Tstart + (( (x + LXstart)*(LY*g_nproc_y) + LYstart + y) * (LZ*g_nproc_z) + LZstart + z )*T_global) * 24*sizeof(float), SEEK_SET);
#endif
for(t = 0; t < T; t++) {
ix = (t*LX*LY*LZ + x*LY*LZ + y*LZ + z)*12;
fread(tmp, 24*sizeof(float), 1, ifs);
#ifdef BYTE_SWAP
/*
fprintf(stderr, "before byte swap: %f\n", tmp[0]);
*/
byte_swap(tmp, 24*sizeof(float) / 4);
/*
fprintf(stderr, "after byte swap: %f\n", tmp[0]);
*/
#endif
for(i = 0; i < 12; i++) {
idx = (ix+i)*2;
v[idx ] = _2_kappa * tmp[2*i ];
v[idx+1] = _2_kappa * tmp[2*i+1];
}
}
}
}
}
fclose(ifs);
/*
if(g_rotate_EMTC_UKQCD) {
if(g_cart_id==0) fprintf(stdout, "# [read_cmi] rotating propagator UKQCD -> ETMC\n");
rotate_propagator_ETMC_UKQCD(v, VOLUME);
}
*/
return(0);
}
/************************************************************
*
************************************************************/
int write_binary_spinor_data_timeslice(double * const s, LimeWriter * limewriter,
const int prec, int timeslice, DML_Checksum * ans) {
#ifndef HAVE_MPI
int x, y, z, t, i=0, status=0;
double tmp[24];
float tmp2[24];
n_uint64_t bytes;
DML_SiteRank rank;
int words_bigendian = big_endian();
if(timeslice==0) {
fprintf(stdout, "# [write_binary_spinor_data_timeslice] initializing checksum for timeslice %d\n", timeslice);
DML_checksum_init(ans);
}
if(prec == 32) bytes = (n_uint64_t)24*sizeof(float);
else bytes = (n_uint64_t)24*sizeof(double);
/*
if(timeslice>0) {
limeWriterSeek(limewriter, (n_uint64_t)0, SEEK_SET);
}
*/
for(z = 0; z < LZ; z++) {
for(y = 0; y < LY; y++) {
for(x = 0; x < LX; x++) {
rank = (DML_SiteRank) ((( timeslice*LZ + z)*LY + y)*LX + x);
i = 24 * g_ipt[0][x][y][z];
/* #ifndef WORDS_BIGENDIAN */
if(!words_bigendian) {
if(prec == 32) {
byte_swap_assign_double2single((float*)tmp2, s + i, 24);
DML_checksum_accum(ans,rank,(char *) tmp2,24*sizeof(float));
status = limeWriteRecordData((void*)tmp2, &bytes, limewriter);
}
else {
byte_swap_assign(tmp, s + i , 24);
DML_checksum_accum(ans,rank,(char *) tmp,24*sizeof(double));
status = limeWriteRecordData((void*)tmp, &bytes, limewriter);
}
} else {
/* #else */
if(prec == 32) {
double2single((float*)tmp2, (s + i), 24);
DML_checksum_accum(ans,rank,(char *) tmp2,24*sizeof(float));
status = limeWriteRecordData((void*)tmp2, &bytes, limewriter);
}
else {
status = limeWriteRecordData((void*)(s + i), &bytes, limewriter);
DML_checksum_accum(ans,rank,(char *) (s + i), 24*sizeof(double));
}
}
/* #endif */
}}}
return(0);
#else
return(-1);
#endif
}
/****************************************************************
*
****************************************************************/
int write_lime_spinor_timeslice(double * const s, char * filename,
const int prec, int timeslice, DML_Checksum *checksum) {
#ifndef HAVE_MPI
FILE * ofs = NULL;
LimeWriter * limewriter = NULL;
LimeRecordHeader * limeheader = NULL;
int status = 0;
int ME_flag=0, MB_flag=0;
n_uint64_t bytes;
if(timeslice==0) {
write_source_type(0, filename);
}
ofs = fopen(filename, "a");
if(ofs == (FILE*)NULL) {
fprintf(stderr, "[write_lime_spinor_timeslice] Could not open file %s for writing!\n Aborting...\n", filename);
exit(500);
}
limewriter = limeCreateWriter( ofs );
if(limewriter == (LimeWriter*)NULL) {
fprintf(stderr, "[write_lime_spinor_timeslice] LIME error in file %s for writing!\n Aborting...\n", filename);
exit(500);
}
bytes = LX*LY*LZ*T_global*(n_uint64_t)24*sizeof(double)*prec/64;
if(timeslice==0) {
MB_flag=0; ME_flag=1;
limeheader = limeCreateHeader(MB_flag, ME_flag, "scidac-binary-data", bytes);
status = limeWriteRecordHeader( limeheader, limewriter);
if(status < 0 ) {
fprintf(stderr, "[write_lime_spinor_timeslice] LIME write header (scidac-binary-data) error %d\n", status);
exit(500);
}
limeDestroyHeader( limeheader );
}
/*************************************/
else {
limewriter->first_record = 0;