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xchange_deri.c
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/
xchange_deri.c
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/* $Id$ */
/**********************************************************
*
* exchange routines for gauge fields
*
* Author: Carsten Urbach
*
**********************************************************/
#ifdef HAVE_CONFIG_H
# include<config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#ifdef MPI
# include <mpi.h>
#endif
#include "global.h"
#include "mpi_init.h"
#include "su3.h"
#include "su3adj.h"
#include "xchange_deri.h"
#ifdef BGLNOTWORKING
void xchange_deri() {
int cntr=0;
#ifdef MPI
MPI_Request request[8];
MPI_Status status[8];
int ix,mu, t, y, z, x;
/* send the data to the neighbour on the left in time direction */
/* recieve the data from the neighbour on the right in time direction */
MPI_Isend(&df0[(T+1)*LX*LY*LZ][0].d1, 1, deri_time_slice_cont, g_nb_t_dn, 43,
g_cart_grid, &request[cntr]);
cntr++;
MPI_Irecv(&ddummy[(T-1)*LX*LY*LZ][0].d1, 1, deri_time_slice_cont, g_nb_t_up, 43,
g_cart_grid, &request[cntr]);
cntr++;
# if (defined PARALLELXT || defined PARALLELXYT || defined PARALLELXYZT)
/* send the data to the neighbour on the left in x direction */
/* recieve the data from the neighbour on the right in x direction */
MPI_Isend(&df0[(T+2)*LX*LY*LZ + T*LY*LZ][0], 1, deri_x_slice_cont, g_nb_x_dn, 44,
g_cart_grid, &request[cntr]);
cntr++;
MPI_Irecv(&ddummy[(LX-1)*LY*LZ][0], 1, deri_x_slice_gath, g_nb_x_up, 44,
g_cart_grid, &request[cntr]);
cntr++;
# endif
# if (defined PARALLELXYT || defined PARALLELXYZT)
/* send the data to the neighbour on the left in y direction */
/* recieve the data from the neighbour on the right in y direction */
MPI_Isend((void*)df0[VOLUME + 2*LZ*(LX*LY + T*LY) + T*LX*LZ],
1, deri_y_slice_cont, g_nb_y_dn, 45,
g_cart_grid, &request[cntr]);
cntr++;
MPI_Irecv((void*)ddummy[(LY-1)*LZ],
1, deri_y_slice_gath, g_nb_y_up, 45,
g_cart_grid, &request[cntr]);
cntr++;
# endif
# ifdef PARALLELXYZT
/* send the data to the neighbour on the left in y direction */
/* recieve the data from the neighbour on the right in y direction */
MPI_Isend((void*)df0[VOLUME + 2*LX*LY*LZ + 2*T*LY*LZ + 2*T*LX*LZ + T*LX*LY],
1, deri_z_slice_cont, g_nb_z_dn, 46,
g_cart_grid, &request[cntr]);
cntr++;
MPI_Irecv((void*)ddummy[LZ-1],
1, deri_z_slice_gath, g_nb_z_up, 46,
g_cart_grid, &request[cntr]);
cntr++;
# endif
MPI_Waitall(cntr, request, status);
/* add ddummy to df0 */
for(x = 0; x < LX; x++) {
for(y = 0; y < LY; y++) {
for(z = 0; z < LZ; z++) {
ix = g_ipt[T-1][x][y][z];
for(mu=0;mu<4;mu++){
df0[ix][mu].d1 += ddummy[ix][mu].d1;
df0[ix][mu].d2 += ddummy[ix][mu].d2;
df0[ix][mu].d3 += ddummy[ix][mu].d3;
df0[ix][mu].d4 += ddummy[ix][mu].d4;
df0[ix][mu].d5 += ddummy[ix][mu].d5;
df0[ix][mu].d6 += ddummy[ix][mu].d6;
df0[ix][mu].d7 += ddummy[ix][mu].d7;
df0[ix][mu].d8 += ddummy[ix][mu].d8;
}
}
}
}
/* send the data to the neighbour on the right is not needed*/
# if (defined PARALLELXT || defined PARALLELXYT || defined PARALLELXYZT)
/* add ddummy to df0 */
for(t = 0; t < T; t++) {
for(y = 0; y < LY; y++) {
for(z = 0; z < LZ; z++) {
ix = g_ipt[t][LX-1][y][z];
for(mu=0;mu<4;mu++){
df0[ix][mu].d1 += ddummy[ix][mu].d1;
df0[ix][mu].d2 += ddummy[ix][mu].d2;
df0[ix][mu].d3 += ddummy[ix][mu].d3;
df0[ix][mu].d4 += ddummy[ix][mu].d4;
df0[ix][mu].d5 += ddummy[ix][mu].d5;
df0[ix][mu].d6 += ddummy[ix][mu].d6;
df0[ix][mu].d7 += ddummy[ix][mu].d7;
df0[ix][mu].d8 += ddummy[ix][mu].d8;
}
}
}
}
/* send the data to the neighbour on the right is not needed*/
/* end of ifdef PARALLELXT || PARALLELXYT */
# endif
# if (defined PARALLELXYT || defined PARALLELXYZT)
/* add ddummy to df0 */
for(t = 0; t < T; t++) {
for(x = 0; x < LX; x++) {
for(z = 0; z < LZ; z++) {
ix = g_ipt[t][x][LY-1][z];
for(mu=0;mu<4;mu++){
df0[ix][mu].d1 += ddummy[ix][mu].d1;
df0[ix][mu].d2 += ddummy[ix][mu].d2;
df0[ix][mu].d3 += ddummy[ix][mu].d3;
df0[ix][mu].d4 += ddummy[ix][mu].d4;
df0[ix][mu].d5 += ddummy[ix][mu].d5;
df0[ix][mu].d6 += ddummy[ix][mu].d6;
df0[ix][mu].d7 += ddummy[ix][mu].d7;
df0[ix][mu].d8 += ddummy[ix][mu].d8;
}
}
}
}
/* send the data to the neighbour on the right is not needed*/
/* end of ifdef PARALLELXYT */
# endif
# ifdef PARALLELXYZT
/* add ddummy to df0 */
for(t = 0; t < T; t++) {
for(x = 0; x < LX; x++) {
for(y = 0; y < LY; y++) {
ix = g_ipt[t][x][y][LZ-1];
for(mu=0;mu<4;mu++){
df0[ix][mu].d1 += ddummy[ix][mu].d1;
df0[ix][mu].d2 += ddummy[ix][mu].d2;
df0[ix][mu].d3 += ddummy[ix][mu].d3;
df0[ix][mu].d4 += ddummy[ix][mu].d4;
df0[ix][mu].d5 += ddummy[ix][mu].d5;
df0[ix][mu].d6 += ddummy[ix][mu].d6;
df0[ix][mu].d7 += ddummy[ix][mu].d7;
df0[ix][mu].d8 += ddummy[ix][mu].d8;
}
}
}
}
/* send the data to the neighbour on the right is not needed*/
/* end of ifdef PARALLELXYT */
# endif
return;
# endif
}
#else
void xchange_deri()
{
# ifdef MPI
int ix,mu, t, y, z, x;
MPI_Status status;
/* send the data to the neighbour on the left in time direction */
/* recieve the data from the neighbour on the right in time direction */
MPI_Sendrecv(&df0[(T+1)*LX*LY*LZ][0].d1, 1, deri_time_slice_cont, g_nb_t_dn, 43,
&ddummy[(T-1)*LX*LY*LZ][0].d1, 1, deri_time_slice_cont, g_nb_t_up, 43,
g_cart_grid, &status);
/* add ddummy to df0 */
for(x = 0; x < LX; x++) {
for(y = 0; y < LY; y++) {
for(z = 0; z < LZ; z++) {
ix = g_ipt[T-1][x][y][z];
for(mu=0;mu<4;mu++){
df0[ix][mu].d1 += ddummy[ix][mu].d1;
df0[ix][mu].d2 += ddummy[ix][mu].d2;
df0[ix][mu].d3 += ddummy[ix][mu].d3;
df0[ix][mu].d4 += ddummy[ix][mu].d4;
df0[ix][mu].d5 += ddummy[ix][mu].d5;
df0[ix][mu].d6 += ddummy[ix][mu].d6;
df0[ix][mu].d7 += ddummy[ix][mu].d7;
df0[ix][mu].d8 += ddummy[ix][mu].d8;
}
}
}
}
/* send the data to the neighbour on the right is not needed*/
# if (defined PARALLELXT || defined PARALLELXYT || defined PARALLELXYZT)
/* send the data to the neighbour on the left in x direction */
/* recieve the data from the neighbour on the right in x direction */
MPI_Sendrecv(&df0[(T+2)*LX*LY*LZ + T*LY*LZ][0], 1, deri_x_slice_cont, g_nb_x_dn, 44,
&ddummy[(LX-1)*LY*LZ][0], 1, deri_x_slice_gath, g_nb_x_up, 44,
g_cart_grid, &status);
/* add ddummy to df0 */
for(t = 0; t < T; t++) {
for(y = 0; y < LY; y++) {
for(z = 0; z < LZ; z++) {
ix = g_ipt[t][LX-1][y][z];
for(mu=0;mu<4;mu++){
df0[ix][mu].d1 += ddummy[ix][mu].d1;
df0[ix][mu].d2 += ddummy[ix][mu].d2;
df0[ix][mu].d3 += ddummy[ix][mu].d3;
df0[ix][mu].d4 += ddummy[ix][mu].d4;
df0[ix][mu].d5 += ddummy[ix][mu].d5;
df0[ix][mu].d6 += ddummy[ix][mu].d6;
df0[ix][mu].d7 += ddummy[ix][mu].d7;
df0[ix][mu].d8 += ddummy[ix][mu].d8;
}
}
}
}
/* send the data to the neighbour on the right is not needed*/
/* end of ifdef PARALLELXT || PARALLELXYT */
# endif
# if (defined PARALLELXYT || defined PARALLELXYZT)
/* send the data to the neighbour on the left in y direction */
/* recieve the data from the neighbour on the right in y direction */
MPI_Sendrecv((void*)df0[VOLUME + 2*LZ*(LX*LY + T*LY) + T*LX*LZ],
1, deri_y_slice_cont, g_nb_y_dn, 45,
(void*)ddummy[(LY-1)*LZ],
1, deri_y_slice_gath, g_nb_y_up, 45,
g_cart_grid, &status);
/* add ddummy to df0 */
for(t = 0; t < T; t++) {
for(x = 0; x < LX; x++) {
for(z = 0; z < LZ; z++) {
ix = g_ipt[t][x][LY-1][z];
for(mu=0;mu<4;mu++){
df0[ix][mu].d1 += ddummy[ix][mu].d1;
df0[ix][mu].d2 += ddummy[ix][mu].d2;
df0[ix][mu].d3 += ddummy[ix][mu].d3;
df0[ix][mu].d4 += ddummy[ix][mu].d4;
df0[ix][mu].d5 += ddummy[ix][mu].d5;
df0[ix][mu].d6 += ddummy[ix][mu].d6;
df0[ix][mu].d7 += ddummy[ix][mu].d7;
df0[ix][mu].d8 += ddummy[ix][mu].d8;
}
}
}
}
/* send the data to the neighbour on the right is not needed*/
/* end of ifdef PARALLELXYT */
# endif
# ifdef PARALLELXYZT
/* send the data to the neighbour on the left in y direction */
/* recieve the data from the neighbour on the right in y direction */
MPI_Sendrecv((void*)df0[VOLUME + 2*LX*LY*LZ + 2*T*LY*LZ + 2*T*LX*LZ + T*LX*LY],
1, deri_z_slice_cont, g_nb_z_dn, 46,
(void*)ddummy[LZ-1],
1, deri_z_slice_gath, g_nb_z_up, 46,
g_cart_grid, &status);
/* add ddummy to df0 */
for(t = 0; t < T; t++) {
for(x = 0; x < LX; x++) {
for(y = 0; y < LY; y++) {
ix = g_ipt[t][x][y][LZ-1];
for(mu=0;mu<4;mu++){
df0[ix][mu].d1 += ddummy[ix][mu].d1;
df0[ix][mu].d2 += ddummy[ix][mu].d2;
df0[ix][mu].d3 += ddummy[ix][mu].d3;
df0[ix][mu].d4 += ddummy[ix][mu].d4;
df0[ix][mu].d5 += ddummy[ix][mu].d5;
df0[ix][mu].d6 += ddummy[ix][mu].d6;
df0[ix][mu].d7 += ddummy[ix][mu].d7;
df0[ix][mu].d8 += ddummy[ix][mu].d8;
}
}
}
}
/* send the data to the neighbour on the right is not needed*/
/* end of ifdef PARALLELXYT */
# endif
return;
# endif
}
/* BGL */
#endif
static char const rcsid[] = "$Id$";