Sanchayan Maity
2fcc51c2c1
While at it also add the libpthread static library amd m5op_x86 for matrix multiplication test code as well. Note that the splash2 benchmark code does not comply with gem5 coding guidelines. Academic guys never seem to follow 80 columns and no whitespace guideline :(.
1008 lines
32 KiB
C
1008 lines
32 KiB
C
/*************************************************************************/
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/* */
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/* Copyright (c) 1994 Stanford University */
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/* */
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/* All rights reserved. */
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/* */
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/* Permission is given to use, copy, and modify this software for any */
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/* non-commercial purpose as long as this copyright notice is not */
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/* removed. All other uses, including redistribution in whole or in */
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/* part, are forbidden without prior written permission. */
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/* */
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/* This software is provided with absolutely no warranty and no */
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/* support. */
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/* */
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/*************************************************************************/
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/* ****************
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subroutine slave2
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**************** */
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#include <cmath>
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#include <cstdio>
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#include <cstdlib>
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#include <ctime>
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#include "decs.h"
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void slave2(long procid, long firstrow, long lastrow, long numrows, long firstcol, long lastcol, long numcols)
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{
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long i;
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long j;
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long iindex;
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double hh1;
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double hh3;
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double hinv;
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double h1inv;
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long istart;
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long iend;
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long jstart;
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long jend;
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long ist;
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long ien;
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long jst;
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long jen;
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double fac;
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double ressqr;
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double timst;
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double f4;
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long psiindex;
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double psiaipriv;
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long multi_start;
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long multi_end;
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ressqr = lev_res[numlev-1] * lev_res[numlev-1];
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/* ***************************************************************
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f i r s t p h a s e (of timestep calculation)
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***************************************************************/
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if (procid == MASTER) {
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wrk1->ga[0][0]=0.0;
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}
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if (procid == nprocs-xprocs) {
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wrk1->ga[im-1][0]=0.0;
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}
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if (procid == xprocs-1) {
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wrk1->ga[0][jm-1]=0.0;
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}
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if (procid == nprocs-1) {
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wrk1->ga[im-1][jm-1]=0.0;
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}
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if (firstrow == 1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk1->ga[0][j] = 0.0;
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}
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}
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if ((firstrow+numrows) == im-1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk1->ga[im-1][j] = 0.0;
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}
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}
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if (firstcol == 1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk1->ga[j][0] = 0.0;
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}
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}
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if ((firstcol+numcols) == jm-1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk1->ga[j][jm-1] = 0.0;
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}
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}
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for (i=firstrow;i<=lastrow;i++) {
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for (iindex=firstcol;iindex<=lastcol;iindex++) {
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wrk1->ga[i][iindex] = 0.0;
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}
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}
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if (procid == MASTER) {
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wrk1->gb[0][0]=0.0;
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}
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if (procid == nprocs-xprocs) {
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wrk1->gb[im-1][0]=0.0;
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}
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if (procid == xprocs-1) {
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wrk1->gb[0][jm-1]=0.0;
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}
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if (procid == nprocs-1) {
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wrk1->gb[im-1][jm-1]=0.0;
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}
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if (firstrow == 1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk1->gb[0][j] = 0.0;
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}
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}
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if ((firstrow+numrows) == im-1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk1->gb[im-1][j] = 0.0;
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}
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}
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if (firstcol == 1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk1->gb[j][0] = 0.0;
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}
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}
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if ((firstcol+numcols) == jm-1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk1->gb[j][jm-1] = 0.0;
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}
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}
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for (i=firstrow;i<=lastrow;i++) {
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for (iindex=firstcol;iindex<=lastcol;iindex++) {
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wrk1->gb[i][iindex] = 0.0;
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}
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}
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/* put the laplacian of psi{1,3} in work1{1,2}
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note that psi(i,j,2) represents the psi3 array in
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the original equations */
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for (psiindex=0;psiindex<=1;psiindex++) {
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if (procid == MASTER) {
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wrk3->work1[psiindex][0][0] = 0;
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}
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if (procid == nprocs-xprocs) {
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wrk3->work1[psiindex][im-1][0] = 0;
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}
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if (procid == xprocs-1) {
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wrk3->work1[psiindex][0][jm-1] = 0;
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}
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if (procid == nprocs-1) {
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wrk3->work1[psiindex][im-1][jm-1] = 0;
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}
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laplacalc(fields->psi[psiindex],
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wrk3->work1[psiindex],
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firstrow,lastrow,firstcol,lastcol,numrows,numcols);
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}
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if (procid == MASTER) {
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wrk3->work2[0][0] = fields->psi[0][0][0]-fields->psi[1][0][0];
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}
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if (procid == nprocs-xprocs) {
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wrk3->work2[im-1][0] = fields->psi[0][im-1][0]-fields->psi[1][im-1][0];
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}
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if (procid == xprocs-1) {
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wrk3->work2[0][jm-1] = fields->psi[0][0][jm-1]-fields->psi[1][0][jm-1];
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}
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if (procid == nprocs-1) {
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wrk3->work2[im-1][jm-1] = fields->psi[0][im-1][jm-1]-fields->psi[1][im-1][jm-1];
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}
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if (firstrow == 1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk3->work2[0][j] = fields->psi[0][0][j]-fields->psi[1][0][j];
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}
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}
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if ((firstrow+numrows) == im-1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk3->work2[im-1][j] = fields->psi[0][im-1][j]-fields->psi[1][im-1][j];
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}
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}
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if (firstcol == 1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk3->work2[j][0] = fields->psi[0][j][0]-fields->psi[1][j][0];
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}
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}
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if ((firstcol+numcols) == jm-1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk3->work2[j][jm-1] = fields->psi[0][j][jm-1]-fields->psi[1][j][jm-1];
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}
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}
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for (i=firstrow;i<=lastrow;i++) {
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for (iindex=firstcol;iindex<=lastcol;iindex++) {
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wrk3->work2[i][iindex] = fields->psi[0][i][iindex]-fields->psi[1][i][iindex];
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}
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}
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/* set values of work3 array to h3/h * psi1 + h1/h * psi3 */
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hh3 = h3/h;
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hh1 = h1/h;
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if (procid == MASTER) {
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wrk2->work3[0][0] = hh3*fields->psi[0][0][0]+hh1*fields->psi[1][0][0];
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}
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if (procid == nprocs-xprocs) {
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wrk2->work3[im-1][0] = hh3*fields->psi[0][im-1][0]+hh1*fields->psi[1][im-1][0];
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}
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if (procid == xprocs-1) {
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wrk2->work3[0][jm-1] = hh3*fields->psi[0][0][jm-1]+hh1*fields->psi[1][0][jm-1];
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}
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if (procid == nprocs-1) {
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wrk2->work3[im-1][jm-1] = hh3*fields->psi[0][im-1][jm-1]+hh1*fields->psi[1][im-1][jm-1];
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}
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if (firstrow == 1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk2->work3[0][j] = hh3*fields->psi[0][0][j]+hh1*fields->psi[1][0][j];
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}
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}
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if ((firstrow+numrows) == im-1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk2->work3[im-1][j] = hh3*fields->psi[0][im-1][j]+hh1*fields->psi[1][im-1][j];
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}
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}
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if (firstcol == 1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk2->work3[j][0] = hh3*fields->psi[0][j][0]+hh1*fields->psi[1][j][0];
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}
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}
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if ((firstcol+numcols) == jm-1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk2->work3[j][jm-1] = hh3*fields->psi[0][j][jm-1]+hh1*fields->psi[1][j][jm-1];
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}
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}
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for (i=firstrow;i<=lastrow;i++) {
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for (iindex=firstcol;iindex<=lastcol;iindex++) {
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wrk2->work3[i][iindex] = hh3*fields->psi[0][i][iindex]+hh1*fields->psi[1][i][iindex];
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}
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}
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/* set values of temparray{1,3} to psim{1,3} */
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for (psiindex=0;psiindex<=1;psiindex++) {
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if (procid == MASTER) {
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wrk5->temparray[psiindex][0][0] = fields->psi[psiindex][0][0];
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}
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if (procid == nprocs-xprocs) {
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wrk5->temparray[psiindex][im-1][0] = fields->psi[psiindex][im-1][0];
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}
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if (procid == xprocs-1) {
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wrk5->temparray[psiindex][0][jm-1] = fields->psi[psiindex][0][jm-1];
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}
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if (procid == nprocs-1) {
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wrk5->temparray[psiindex][im-1][jm-1] = fields->psi[psiindex][im-1][jm-1];
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}
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if (firstrow == 1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk5->temparray[psiindex][0][j] = fields->psi[psiindex][0][j];
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}
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}
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if ((firstrow+numrows) == im-1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk5->temparray[psiindex][im-1][j] = fields->psi[psiindex][im-1][j];
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}
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}
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if (firstcol == 1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk5->temparray[psiindex][j][0] = fields->psi[psiindex][j][0];
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}
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}
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if ((firstcol+numcols) == jm-1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk5->temparray[psiindex][j][jm-1] = fields->psi[psiindex][j][jm-1];
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}
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}
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for (i=firstrow;i<=lastrow;i++) {
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for (iindex=firstcol;iindex<=lastcol;iindex++) {
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wrk5->temparray[psiindex][i][iindex] = fields->psi[psiindex][i][iindex];
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}
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}
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}
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#if defined(MULTIPLE_BARRIERS)
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BARRIER(bars->sl_phase_1,nprocs)
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#else
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BARRIER(bars->barrier,nprocs)
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#endif
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/* *******************************************************
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s e c o n d p h a s e
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*******************************************************
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set values of psi{1,3} to psim{1,3} */
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for (psiindex=0;psiindex<=1;psiindex++) {
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if (procid == MASTER) {
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fields->psi[psiindex][0][0] = fields->psim[psiindex][0][0];
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}
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if (procid == xprocs-1) {
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fields->psi[psiindex][0][jm-1] = fields->psim[psiindex][0][jm-1];
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}
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if (procid == nprocs-xprocs) {
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fields->psi[psiindex][im-1][0] = fields->psim[psiindex][im-1][0];
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}
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if (procid == nprocs-1) {
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fields->psi[psiindex][im-1][jm-1] = fields->psim[psiindex][im-1][jm-1];
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}
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if (firstrow == 1) {
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for (j=firstcol;j<=lastcol;j++) {
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fields->psi[psiindex][0][j] = fields->psim[psiindex][0][j];
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}
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}
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if ((firstrow+numrows) == im-1) {
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for (j=firstcol;j<=lastcol;j++) {
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fields->psi[psiindex][im-1][j] = fields->psim[psiindex][im-1][j];
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}
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}
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if (firstcol == 1) {
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for (j=firstrow;j<=lastrow;j++) {
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fields->psi[psiindex][j][0] = fields->psim[psiindex][j][0];
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}
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}
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if ((firstcol+numcols) == jm-1) {
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for (j=firstrow;j<=lastrow;j++) {
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fields->psi[psiindex][j][jm-1] = fields->psim[psiindex][j][jm-1];
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}
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}
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for (i=firstrow;i<=lastrow;i++) {
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for (iindex=firstcol;iindex<=lastcol;iindex++) {
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fields->psi[psiindex][i][iindex] = fields->psim[psiindex][i][iindex];
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}
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}
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}
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/* put the laplacian of the psim array
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into the work7 array; first part of a three-laplacian
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calculation to compute the friction terms */
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for (psiindex=0;psiindex<=1;psiindex++) {
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if (procid == MASTER) {
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wrk5->work7[psiindex][0][0] = 0;
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}
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if (procid == nprocs-xprocs) {
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wrk5->work7[psiindex][im-1][0] = 0;
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}
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if (procid == xprocs-1) {
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wrk5->work7[psiindex][0][jm-1] = 0;
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}
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if (procid == nprocs-1) {
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wrk5->work7[psiindex][im-1][jm-1] = 0;
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}
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laplacalc(fields->psim[psiindex],wrk5->work7[psiindex],firstrow,lastrow,firstcol,lastcol,numrows,numcols);
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}
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/* to the values of the work1{1,2} arrays obtained from the
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laplacians of psi{1,2} in the previous phase, add to the
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elements of every column the corresponding value in the
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one-dimenional f array */
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for (psiindex=0;psiindex<=1;psiindex++) {
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if (procid == MASTER) {
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wrk3->work1[psiindex][0][0] = wrk3->work1[psiindex][0][0] + wrk2->f[0];
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}
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if (procid == nprocs-xprocs) {
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wrk3->work1[psiindex][im-1][0] = wrk3->work1[psiindex][im-1][0] + wrk2->f[0];
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}
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if (procid == xprocs-1) {
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wrk3->work1[psiindex][0][jm-1] = wrk3->work1[psiindex][0][jm-1] + wrk2->f[jm-1];
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}
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if (procid == nprocs-1) {
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wrk3->work1[psiindex][im-1][jm-1] = wrk3->work1[psiindex][im-1][jm-1] + wrk2->f[jm-1];
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}
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if (firstrow == 1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk3->work1[psiindex][0][j] = wrk3->work1[psiindex][0][j] + wrk2->f[j];
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}
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}
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if ((firstrow+numrows) == im-1) {
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for (j=firstcol;j<=lastcol;j++) {
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wrk3->work1[psiindex][im-1][j] = wrk3->work1[psiindex][im-1][j] + wrk2->f[j];
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}
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}
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if (firstcol == 1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk3->work1[psiindex][j][0] = wrk3->work1[psiindex][j][0] + wrk2->f[j];
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}
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}
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if ((firstcol+numcols) == jm-1) {
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for (j=firstrow;j<=lastrow;j++) {
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wrk3->work1[psiindex][j][jm-1] = wrk3->work1[psiindex][j][jm-1] + wrk2->f[j];
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}
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}
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for (i=firstrow;i<=lastrow;i++) {
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for (iindex=firstcol;iindex<=lastcol;iindex++) {
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wrk3->work1[psiindex][i][iindex] = wrk3->work1[psiindex][i][iindex] +
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wrk2->f[iindex];
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}
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}
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}
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#if defined(MULTIPLE_BARRIERS)
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BARRIER(bars->sl_phase_2,nprocs)
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#else
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BARRIER(bars->barrier,nprocs)
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#endif
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/* *******************************************************
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t h i r d p h a s e
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*******************************************************
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put the jacobian of the work1{1,2} and psi{1,3} arrays
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(the latter currently in temparray) in the work5{1,2} arrays */
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for (psiindex=0;psiindex<=1;psiindex++) {
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jacobcalc(wrk3->work1[psiindex],wrk5->temparray[psiindex],
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wrk4->work5[psiindex],procid,firstrow,lastrow,firstcol,lastcol,numrows,numcols);
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}
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/* set values of psim{1,3} to temparray{1,3} */
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for (psiindex=0;psiindex<=1;psiindex++) {
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if (procid == MASTER) {
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fields->psim[psiindex][0][0] = wrk5->temparray[psiindex][0][0];
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}
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if (procid == nprocs-xprocs) {
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fields->psim[psiindex][im-1][0] = wrk5->temparray[psiindex][im-1][0];
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}
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if (procid == xprocs-1) {
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fields->psim[psiindex][0][jm-1] = wrk5->temparray[psiindex][0][jm-1];
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}
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if (procid == nprocs-1) {
|
|
fields->psim[psiindex][im-1][jm-1] = wrk5->temparray[psiindex][im-1][jm-1];
|
|
}
|
|
if (firstrow == 1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
fields->psim[psiindex][0][j] = wrk5->temparray[psiindex][0][j];
|
|
}
|
|
}
|
|
if ((firstrow+numrows) == im-1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
fields->psim[psiindex][im-1][j] = wrk5->temparray[psiindex][im-1][j];
|
|
}
|
|
}
|
|
if (firstcol == 1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
fields->psim[psiindex][j][0] = wrk5->temparray[psiindex][j][0];
|
|
}
|
|
}
|
|
if ((firstcol+numcols) == jm-1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
fields->psim[psiindex][j][jm-1] = wrk5->temparray[psiindex][j][jm-1];
|
|
}
|
|
}
|
|
for (i=firstrow;i<=lastrow;i++) {
|
|
for (iindex=firstcol;iindex<=lastcol;iindex++) {
|
|
fields->psim[psiindex][i][iindex] = wrk5->temparray[psiindex][i][iindex];
|
|
}
|
|
}
|
|
}
|
|
|
|
/* put the laplacian of the work7{1,2} arrays in the work4{1,2}
|
|
arrays; second step in the three-laplacian friction calculation */
|
|
|
|
for (psiindex=0;psiindex<=1;psiindex++) {
|
|
laplacalc(wrk5->work7[psiindex],
|
|
wrk4->work4[psiindex],
|
|
firstrow,lastrow,firstcol,lastcol,numrows,numcols);
|
|
}
|
|
#if defined(MULTIPLE_BARRIERS)
|
|
BARRIER(bars->sl_phase_3,nprocs)
|
|
#else
|
|
BARRIER(bars->barrier,nprocs)
|
|
#endif
|
|
/* *******************************************************
|
|
|
|
f o u r t h p h a s e
|
|
|
|
*******************************************************
|
|
|
|
put the jacobian of the work2 and work3 arrays in the work6
|
|
array */
|
|
|
|
jacobcalc(wrk3->work2,wrk2->work3,wrk6->work6,procid,firstrow,
|
|
lastrow,firstcol,lastcol,numrows,numcols);
|
|
|
|
/* put the laplacian of the work4{1,2} arrays in the work7{1,2}
|
|
arrays; third step in the three-laplacian friction calculation */
|
|
|
|
for (psiindex=0;psiindex<=1;psiindex++) {
|
|
laplacalc(wrk4->work4[psiindex],
|
|
wrk5->work7[psiindex],
|
|
firstrow,lastrow,firstcol,lastcol,numrows,numcols);
|
|
}
|
|
#if defined(MULTIPLE_BARRIERS)
|
|
BARRIER(bars->sl_phase_4,nprocs)
|
|
#else
|
|
BARRIER(bars->barrier,nprocs)
|
|
#endif
|
|
/* *******************************************************
|
|
|
|
f i f t h p h a s e
|
|
|
|
*******************************************************
|
|
|
|
use the values of the work5, work6 and work7 arrays
|
|
computed in the previous time-steps to compute the
|
|
ga and gb arrays */
|
|
|
|
hinv = 1.0/h;
|
|
h1inv = 1.0/h1;
|
|
|
|
if (procid == MASTER) {
|
|
wrk1->ga[0][0] = wrk4->work5[0][0][0]-wrk4->work5[1][0][0]+eig2*wrk6->work6[0][0]+h1inv*
|
|
frcng->tauz[0][0]+lf*wrk5->work7[0][0][0]-lf*wrk5->work7[1][0][0];
|
|
wrk1->gb[0][0] = hh1*wrk4->work5[0][0][0]+hh3*wrk4->work5[1][0][0]+hinv*frcng->tauz[0][0]+
|
|
lf*hh1*wrk5->work7[0][0][0]+lf*hh3*wrk5->work7[1][0][0];
|
|
}
|
|
if (procid == nprocs-xprocs) {
|
|
wrk1->ga[im-1][0] = wrk4->work5[0][im-1][0]-wrk4->work5[1][im-1][0]+eig2*wrk6->work6[im-1][0]+h1inv*
|
|
frcng->tauz[im-1][0]+lf*wrk5->work7[0][im-1][0]-lf*wrk5->work7[1][im-1][0];
|
|
wrk1->gb[im-1][0] = hh1*wrk4->work5[0][im-1][0]+hh3*wrk4->work5[1][im-1][0]+hinv*frcng->tauz[im-1][0]+
|
|
lf*hh1*wrk5->work7[0][im-1][0]+lf*hh3*wrk5->work7[1][im-1][0];
|
|
}
|
|
if (procid == xprocs-1) {
|
|
wrk1->ga[0][jm-1] = wrk4->work5[0][0][jm-1]-wrk4->work5[1][0][jm-1]+eig2*wrk6->work6[0][jm-1]+h1inv*
|
|
frcng->tauz[0][jm-1]+lf*wrk5->work7[0][0][jm-1]-lf*wrk5->work7[1][0][jm-1];
|
|
wrk1->gb[0][jm-1] = hh1*wrk4->work5[0][0][jm-1]+hh3*wrk4->work5[1][0][jm-1]+hinv*frcng->tauz[0][jm-1]+
|
|
lf*hh1*wrk5->work7[0][0][jm-1]+lf*hh3*wrk5->work7[1][0][jm-1];
|
|
}
|
|
if (procid == nprocs-1) {
|
|
wrk1->ga[im-1][jm-1] = wrk4->work5[0][im-1][jm-1]-wrk4->work5[1][im-1][jm-1]+eig2*wrk6->work6[im-1][jm-1]+
|
|
h1inv*frcng->tauz[im-1][jm-1]+lf*wrk5->work7[0][im-1][jm-1]-lf*wrk5->work7[1][im-1][jm-1];
|
|
wrk1->gb[im-1][jm-1] = hh1*wrk4->work5[0][im-1][jm-1]+hh3*wrk4->work5[1][im-1][jm-1]+hinv*
|
|
frcng->tauz[im-1][jm-1]+lf*hh1*wrk5->work7[0][im-1][jm-1]+lf*hh3*wrk5->work7[1][im-1][jm-1];
|
|
}
|
|
if (firstrow == 1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
wrk1->ga[0][j] = wrk4->work5[0][0][j]-wrk4->work5[1][0][j]+eig2*
|
|
wrk6->work6[0][j]+h1inv*frcng->tauz[0][j]+lf*wrk5->work7[0][0][j]-lf*wrk5->work7[0][0][j];
|
|
wrk1->gb[0][j] = hh1*wrk4->work5[0][0][j]+hh3*wrk4->work5[1][0][j]+hinv*
|
|
frcng->tauz[0][j]+lf*hh1*wrk5->work7[0][0][j]+lf*hh3*wrk5->work7[1][0][j];
|
|
}
|
|
}
|
|
if ((firstrow+numrows) == im-1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
wrk1->ga[im-1][j] = wrk4->work5[0][im-1][j]-wrk4->work5[1][im-1][j]+eig2*
|
|
wrk6->work6[im-1][j]+h1inv*frcng->tauz[im-1][j]+
|
|
lf*wrk5->work7[0][im-1][j]-lf*wrk5->work7[1][im-1][j];
|
|
wrk1->gb[im-1][j] = hh1*wrk4->work5[0][im-1][j]+hh3*wrk4->work5[1][im-1][j]+hinv*
|
|
frcng->tauz[im-1][j]+lf*hh1*wrk5->work7[0][im-1][j]+
|
|
lf*hh3*wrk5->work7[1][im-1][j];
|
|
}
|
|
}
|
|
if (firstcol == 1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
wrk1->ga[j][0] = wrk4->work5[0][j][0]-wrk4->work5[1][j][0]+eig2*
|
|
wrk6->work6[j][0]+h1inv*frcng->tauz[j][0]+lf*wrk5->work7[0][j][0]-lf*wrk5->work7[1][j][0];
|
|
wrk1->gb[j][0] = hh1*wrk4->work5[0][j][0]+hh3*wrk4->work5[1][j][0]+hinv*
|
|
frcng->tauz[j][0]+lf*hh1*wrk5->work7[0][j][0]+lf*hh3*wrk5->work7[1][j][0];
|
|
}
|
|
}
|
|
if ((firstcol+numcols) == jm-1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
wrk1->ga[j][jm-1] = wrk4->work5[0][j][jm-1]-wrk4->work5[1][j][jm-1]+eig2*
|
|
wrk6->work6[j][jm-1]+h1inv*frcng->tauz[j][jm-1]+
|
|
lf*wrk5->work7[0][j][jm-1]-lf*wrk5->work7[1][j][jm-1];
|
|
wrk1->gb[j][jm-1] = hh1*wrk4->work5[0][j][jm-1]+hh3*wrk4->work5[1][j][jm-1]+hinv*
|
|
frcng->tauz[j][jm-1]+lf*hh1*wrk5->work7[0][j][jm-1]+
|
|
lf*hh3*wrk5->work7[1][j][jm-1];
|
|
}
|
|
}
|
|
for (i=firstrow;i<=lastrow;i++) {
|
|
for (iindex=firstcol;iindex<=lastcol;iindex++) {
|
|
wrk1->ga[i][iindex] = wrk4->work5[0][i][iindex]-wrk4->work5[1][i][iindex]+eig2*
|
|
wrk6->work6[i][iindex]+h1inv*frcng->tauz[i][iindex]+
|
|
lf*wrk5->work7[0][i][iindex]-lf*wrk5->work7[1][i][iindex];
|
|
wrk1->gb[i][iindex] = hh1*wrk4->work5[0][i][iindex]+hh3*wrk4->work5[1][i][iindex]+hinv*
|
|
frcng->tauz[i][iindex]+lf*hh1*wrk5->work7[0][i][iindex]+
|
|
lf*hh3*wrk5->work7[1][i][iindex];
|
|
}
|
|
}
|
|
#if defined(MULTIPLE_BARRIERS)
|
|
BARRIER(bars->sl_phase_5,nprocs)
|
|
#else
|
|
BARRIER(bars->barrier,nprocs)
|
|
#endif
|
|
/* *******************************************************
|
|
|
|
s i x t h p h a s e
|
|
|
|
******************************************************* */
|
|
|
|
istart = gp[procid].rel_start_y[numlev-1];
|
|
iend = istart + gp[procid].rel_num_y[numlev-1] - 1;
|
|
jstart = gp[procid].rel_start_x[numlev-1];
|
|
jend = jstart + gp[procid].rel_num_x[numlev-1] - 1;
|
|
ist = istart;
|
|
ien = iend;
|
|
jst = jstart;
|
|
jen = jend;
|
|
if (istart == 1) {
|
|
istart = 0;
|
|
}
|
|
if (jstart == 1) {
|
|
jstart = 0;
|
|
}
|
|
if (iend == im-2) {
|
|
iend = im-1;
|
|
}
|
|
if (jend == jm-2) {
|
|
jend = jm-1;
|
|
}
|
|
for (i=istart;i<=iend;i++) {
|
|
for (j=jstart;j<=jend;j++) {
|
|
multi->rhs_multi[numlev-1][i][j] = wrk1->ga[i][j] * ressqr;
|
|
}
|
|
}
|
|
if (istart == 0) {
|
|
for (j=jstart;j<=jend;j++) {
|
|
multi->q_multi[numlev-1][0][j] = wrk1->ga[0][j];
|
|
}
|
|
}
|
|
if (iend == im-1) {
|
|
for (j=jstart;j<=jend;j++) {
|
|
multi->q_multi[numlev-1][im-1][j] = wrk1->ga[im-1][j];
|
|
}
|
|
}
|
|
if (jstart == 0) {
|
|
for (i=istart;i<=iend;i++) {
|
|
multi->q_multi[numlev-1][i][0] = wrk1->ga[i][0];
|
|
}
|
|
}
|
|
if (jend == jm-1) {
|
|
for (i=istart;i<=iend;i++) {
|
|
multi->q_multi[numlev-1][i][jm-1] = wrk1->ga[i][jm-1];
|
|
}
|
|
}
|
|
|
|
fac = 1.0 / (4.0 - ressqr*eig2);
|
|
for (i=ist;i<=ien;i++) {
|
|
for (j=jst;j<=jen;j++) {
|
|
multi->q_multi[numlev-1][i][j] = guess->oldga[i][j];
|
|
}
|
|
}
|
|
|
|
if ((procid == MASTER) || (do_stats)) {
|
|
CLOCK(multi_start);
|
|
}
|
|
|
|
multig(procid);
|
|
|
|
if ((procid == MASTER) || (do_stats)) {
|
|
CLOCK(multi_end);
|
|
gp[procid].multi_time += (multi_end - multi_start);
|
|
}
|
|
|
|
if (procid == MASTER) {
|
|
global->psiai=0.0;
|
|
}
|
|
|
|
/* copy the solution for use as initial guess in next time-step */
|
|
|
|
for (i=istart;i<=iend;i++) {
|
|
for (j=jstart;j<=jend;j++) {
|
|
wrk1->ga[i][j] = multi->q_multi[numlev-1][i][j];
|
|
guess->oldga[i][j] = multi->q_multi[numlev-1][i][j];
|
|
}
|
|
}
|
|
#if defined(MULTIPLE_BARRIERS)
|
|
BARRIER(bars->sl_phase_6,nprocs)
|
|
#else
|
|
BARRIER(bars->barrier,nprocs)
|
|
#endif
|
|
/* *******************************************************
|
|
|
|
s e v e n t h p h a s e
|
|
|
|
*******************************************************
|
|
|
|
every process computes the running sum for its assigned portion
|
|
in a private variable psiaipriv */
|
|
|
|
|
|
|
|
psiaipriv=0.0;
|
|
if (procid == MASTER) {
|
|
psiaipriv = psiaipriv + 0.25*(wrk1->ga[0][0]);
|
|
}
|
|
if (procid == xprocs - 1) {
|
|
psiaipriv = psiaipriv + 0.25*(wrk1->ga[0][jm-1]);
|
|
}
|
|
if (procid == nprocs-xprocs) {
|
|
psiaipriv=psiaipriv+0.25*(wrk1->ga[im-1][0]);
|
|
}
|
|
if (procid == nprocs-1) {
|
|
psiaipriv=psiaipriv+0.25*(wrk1->ga[im-1][jm-1]);
|
|
}
|
|
if (firstrow == 1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
psiaipriv = psiaipriv + 0.5*wrk1->ga[0][j];
|
|
}
|
|
}
|
|
if ((firstrow+numrows) == im-1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
psiaipriv = psiaipriv + 0.5*wrk1->ga[im-1][j];
|
|
}
|
|
}
|
|
if (firstcol == 1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
psiaipriv = psiaipriv + 0.5*wrk1->ga[j][0];
|
|
}
|
|
}
|
|
if ((firstcol+numcols) == jm-1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
psiaipriv = psiaipriv + 0.5*wrk1->ga[j][jm-1];
|
|
}
|
|
}
|
|
for (iindex=firstcol;iindex<=lastcol;iindex++) {
|
|
for (i=firstrow;i<=lastrow;i++) {
|
|
psiaipriv = psiaipriv + wrk1->ga[i][iindex];
|
|
}
|
|
}
|
|
|
|
/* after computing its private sum, every process adds that to the
|
|
shared running sum psiai */
|
|
|
|
LOCK(locks->psibilock)
|
|
global->psiai = global->psiai + psiaipriv;
|
|
UNLOCK(locks->psibilock)
|
|
#if defined(MULTIPLE_BARRIERS)
|
|
BARRIER(bars->sl_phase_7,nprocs)
|
|
#else
|
|
BARRIER(bars->barrier,nprocs)
|
|
#endif
|
|
/* *******************************************************
|
|
|
|
e i g h t h p h a s e
|
|
|
|
*******************************************************
|
|
|
|
augment ga(i,j) with [-psiai/psibi]*psib(i,j)
|
|
|
|
%%%%%%%%%%%%%%% f4 should be private */
|
|
|
|
f4 = (-global->psiai)/(global->psibi);
|
|
|
|
if (procid == MASTER) {
|
|
wrk1->ga[0][0] = wrk1->ga[0][0]+f4*wrk1->psib[0][0];
|
|
}
|
|
if (procid == nprocs-xprocs) {
|
|
wrk1->ga[im-1][0] = wrk1->ga[im-1][0]+f4*wrk1->psib[im-1][0];
|
|
}
|
|
if (procid == xprocs-1) {
|
|
wrk1->ga[0][jm-1] = wrk1->ga[0][jm-1]+f4*wrk1->psib[0][jm-1];
|
|
}
|
|
if (procid == nprocs-1) {
|
|
wrk1->ga[im-1][jm-1] = wrk1->ga[im-1][jm-1]+f4*wrk1->psib[im-1][jm-1];
|
|
}
|
|
if (firstrow == 1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
wrk1->ga[0][j] = wrk1->ga[0][j]+f4*wrk1->psib[0][j];
|
|
}
|
|
}
|
|
if ((firstrow+numrows) == im-1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
wrk1->ga[im-1][j] = wrk1->ga[im-1][j]+f4*wrk1->psib[im-1][j];
|
|
}
|
|
}
|
|
if (firstcol == 1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
wrk1->ga[j][0] = wrk1->ga[j][0]+f4*wrk1->psib[j][0];
|
|
}
|
|
}
|
|
if ((firstcol+numcols) == jm-1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
wrk1->ga[j][jm-1] = wrk1->ga[j][jm-1]+f4*wrk1->psib[j][jm-1];
|
|
}
|
|
}
|
|
for (i=firstrow;i<=lastrow;i++) {
|
|
for (iindex=firstcol;iindex<=lastcol;iindex++) {
|
|
wrk1->ga[i][iindex] = wrk1->ga[i][iindex]+f4*wrk1->psib[i][iindex];
|
|
}
|
|
}
|
|
#if defined(MULTIPLE_BARRIERS)
|
|
BARRIER(bars->sl_phase_8,nprocs)
|
|
#else
|
|
BARRIER(bars->barrier,nprocs)
|
|
#endif
|
|
for (i=istart;i<=iend;i++) {
|
|
for (j=jstart;j<=jend;j++) {
|
|
multi->rhs_multi[numlev-1][i][j] = wrk1->gb[i][j] * ressqr;
|
|
}
|
|
}
|
|
if (istart == 0) {
|
|
for (j=jstart;j<=jend;j++) {
|
|
multi->q_multi[numlev-1][0][j] = wrk1->gb[0][j];
|
|
}
|
|
}
|
|
if (iend == im-1) {
|
|
for (j=jstart;j<=jend;j++) {
|
|
multi->q_multi[numlev-1][im-1][j] = wrk1->gb[im-1][j];
|
|
}
|
|
}
|
|
if (jstart == 0) {
|
|
for (i=istart;i<=iend;i++) {
|
|
multi->q_multi[numlev-1][i][0] = wrk1->gb[i][0];
|
|
}
|
|
}
|
|
if (jend == jm-1) {
|
|
for (i=istart;i<=iend;i++) {
|
|
multi->q_multi[numlev-1][i][jm-1] = wrk1->gb[i][jm-1];
|
|
}
|
|
}
|
|
|
|
fac = 1.0 / (4.0 - ressqr*eig2);
|
|
for (i=ist;i<=ien;i++) {
|
|
for (j=jst;j<=jen;j++) {
|
|
multi->q_multi[numlev-1][i][j] = guess->oldgb[i][j];
|
|
}
|
|
}
|
|
|
|
if ((procid == MASTER) || (do_stats)) {
|
|
CLOCK(multi_start);
|
|
}
|
|
|
|
multig(procid);
|
|
|
|
if ((procid == MASTER) || (do_stats)) {
|
|
CLOCK(multi_end);
|
|
gp[procid].multi_time += (multi_end - multi_start);
|
|
}
|
|
|
|
for (i=istart;i<=iend;i++) {
|
|
for (j=jstart;j<=jend;j++) {
|
|
wrk1->gb[i][j] = multi->q_multi[numlev-1][i][j];
|
|
guess->oldgb[i][j] = multi->q_multi[numlev-1][i][j];
|
|
}
|
|
}
|
|
#if defined(MULTIPLE_BARRIERS)
|
|
BARRIER(bars->sl_phase_8,nprocs)
|
|
#else
|
|
BARRIER(bars->barrier,nprocs)
|
|
#endif
|
|
/* *******************************************************
|
|
|
|
n i n t h p h a s e
|
|
|
|
*******************************************************
|
|
|
|
put appropriate linear combinations of ga and gb in work2 and work3;
|
|
note that here (as in most cases) the constant multipliers are made
|
|
private variables; the specific order in which things are done is
|
|
chosen in order to hopefully reuse things brought into the cache
|
|
|
|
note that here again we choose to have all processes share the work
|
|
on both matrices despite the fact that the work done per element
|
|
is the same, because the operand matrices are the same in both cases */
|
|
|
|
if (procid == MASTER) {
|
|
wrk3->work2[0][0] = wrk1->gb[0][0]-hh1*wrk1->ga[0][0];
|
|
wrk2->work3[0][0] = wrk1->gb[0][0]+hh3*wrk1->ga[0][0];
|
|
}
|
|
if (procid == nprocs-xprocs) {
|
|
wrk3->work2[im-1][0] = wrk1->gb[im-1][0]-hh1*wrk1->ga[im-1][0];
|
|
wrk2->work3[im-1][0] = wrk1->gb[im-1][0]+hh3*wrk1->ga[im-1][0];
|
|
}
|
|
if (procid == xprocs-1) {
|
|
wrk3->work2[0][jm-1] = wrk1->gb[0][jm-1]-hh1*wrk1->ga[0][jm-1];
|
|
wrk2->work3[0][jm-1] = wrk1->gb[0][jm-1]+hh3*wrk1->ga[0][jm-1];
|
|
}
|
|
if (procid == nprocs-1) {
|
|
wrk3->work2[im-1][jm-1] = wrk1->gb[im-1][jm-1]-hh1*wrk1->ga[im-1][jm-1];
|
|
wrk2->work3[im-1][jm-1] = wrk1->gb[im-1][jm-1]+hh3*wrk1->ga[im-1][jm-1];
|
|
}
|
|
if (firstrow == 1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
wrk2->work3[0][j] = wrk1->gb[0][j]+hh3*wrk1->ga[0][j];
|
|
wrk3->work2[0][j] = wrk1->gb[0][j]-hh1*wrk1->ga[0][j];
|
|
}
|
|
}
|
|
if ((firstrow+numrows) == im-1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
wrk2->work3[im-1][j] = wrk1->gb[im-1][j]+hh3*wrk1->ga[im-1][j];
|
|
wrk3->work2[im-1][j] = wrk1->gb[im-1][j]-hh1*wrk1->ga[im-1][j];
|
|
}
|
|
}
|
|
if (firstcol == 1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
wrk2->work3[j][0] = wrk1->gb[j][0]+hh3*wrk1->ga[j][0];
|
|
wrk3->work2[j][0] = wrk1->gb[j][0]-hh1*wrk1->ga[j][0];
|
|
}
|
|
}
|
|
if ((firstcol+numcols) == jm-1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
wrk2->work3[j][jm-1] = wrk1->gb[j][jm-1]+hh3*wrk1->ga[j][jm-1];
|
|
wrk3->work2[j][jm-1] = wrk1->gb[j][jm-1]-hh1*wrk1->ga[j][jm-1];
|
|
}
|
|
}
|
|
|
|
for (i=firstrow;i<=lastrow;i++) {
|
|
for (iindex=firstcol;iindex<=lastcol;iindex++) {
|
|
wrk2->work3[i][iindex] = wrk1->gb[i][iindex]+hh3*wrk1->ga[i][iindex];
|
|
wrk3->work2[i][iindex] = wrk1->gb[i][iindex]-hh1*wrk1->ga[i][iindex];
|
|
}
|
|
}
|
|
#if defined(MULTIPLE_BARRIERS)
|
|
BARRIER(bars->sl_phase_9,nprocs)
|
|
#else
|
|
BARRIER(bars->barrier,nprocs)
|
|
#endif
|
|
/* *******************************************************
|
|
|
|
t e n t h p h a s e
|
|
|
|
*******************************************************/
|
|
|
|
|
|
timst = 2*dtau;
|
|
|
|
/* update the psi{1,3} matrices by adding 2*dtau*work3 to each */
|
|
|
|
if (procid == MASTER) {
|
|
fields->psi[0][0][0] = fields->psi[0][0][0] + timst*wrk2->work3[0][0];
|
|
}
|
|
if (procid == nprocs-xprocs) {
|
|
fields->psi[0][im-1][0] = fields->psi[0][im-1][0] + timst*wrk2->work3[im-1][0];
|
|
}
|
|
if (procid == xprocs-1) {
|
|
fields->psi[0][0][jm-1] = fields->psi[0][0][jm-1] + timst*wrk2->work3[0][jm-1];
|
|
}
|
|
if (procid == nprocs-1) {
|
|
fields->psi[0][im-1][jm-1] = fields->psi[0][im-1][jm-1] + timst*wrk2->work3[im-1][jm-1];
|
|
}
|
|
if (firstrow == 1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
fields->psi[0][0][j] = fields->psi[0][0][j] + timst*wrk2->work3[0][j];
|
|
}
|
|
}
|
|
if ((firstrow+numrows) == im-1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
fields->psi[0][im-1][j] = fields->psi[0][im-1][j] + timst*wrk2->work3[im-1][j];
|
|
}
|
|
}
|
|
if (firstcol == 1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
fields->psi[0][j][0] = fields->psi[0][j][0] + timst*wrk2->work3[j][0];
|
|
}
|
|
}
|
|
if ((firstcol+numcols) == jm-1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
fields->psi[0][j][jm-1] = fields->psi[0][j][jm-1] + timst*wrk2->work3[j][jm-1];
|
|
}
|
|
}
|
|
for (i=firstrow;i<=lastrow;i++) {
|
|
for (iindex=firstcol;iindex<=lastcol;iindex++) {
|
|
fields->psi[0][i][iindex] = fields->psi[0][i][iindex] + timst*wrk2->work3[i][iindex];
|
|
}
|
|
}
|
|
|
|
if (procid == MASTER) {
|
|
fields->psi[1][0][0] = fields->psi[1][0][0] + timst*wrk3->work2[0][0];
|
|
}
|
|
if (procid == nprocs-xprocs) {
|
|
fields->psi[1][im-1][0] = fields->psi[1][im-1][0] + timst*wrk3->work2[im-1][0];
|
|
}
|
|
if (procid == xprocs-1) {
|
|
fields->psi[1][0][jm-1] = fields->psi[1][0][jm-1] + timst*wrk3->work2[0][jm-1];
|
|
}
|
|
if (procid == nprocs-1) {
|
|
fields->psi[1][im-1][jm-1] = fields->psi[1][im-1][jm-1] + timst*wrk3->work2[im-1][jm-1];
|
|
}
|
|
if (firstrow == 1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
fields->psi[1][0][j] = fields->psi[1][0][j] + timst*wrk3->work2[0][j];
|
|
}
|
|
}
|
|
if ((firstrow+numrows) == im-1) {
|
|
for (j=firstcol;j<=lastcol;j++) {
|
|
fields->psi[1][im-1][j] = fields->psi[1][im-1][j] + timst*wrk3->work2[im-1][j];
|
|
}
|
|
}
|
|
if (firstcol == 1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
fields->psi[1][j][0] = fields->psi[1][j][0] + timst*wrk3->work2[j][0];
|
|
}
|
|
}
|
|
if ((firstcol+numcols) == jm-1) {
|
|
for (j=firstrow;j<=lastrow;j++) {
|
|
fields->psi[1][j][jm-1] = fields->psi[1][j][jm-1] + timst*wrk3->work2[j][jm-1];
|
|
}
|
|
}
|
|
|
|
for (i=firstrow;i<=lastrow;i++) {
|
|
for (iindex=firstcol;iindex<=lastcol;iindex++) {
|
|
fields->psi[1][i][iindex] = fields->psi[1][i][iindex] + timst*wrk3->work2[i][iindex];
|
|
}
|
|
}
|
|
#if defined(MULTIPLE_BARRIERS)
|
|
BARRIER(bars->sl_phase_10,nprocs)
|
|
#else
|
|
BARRIER(bars->barrier,nprocs)
|
|
#endif
|
|
}
|