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static char rcsid[] =
"$Id: ptest.c,v 1.3 2009/01/23 01:12:52 pvmsrc Exp $";
/*
* PVM version 3.4: Parallel Virtual Machine System
* University of Tennessee, Knoxville TN.
* Oak Ridge National Laboratory, Oak Ridge TN.
* Emory University, Atlanta GA.
* Authors: J. J. Dongarra, G. E. Fagg, M. Fischer
* G. A. Geist, J. A. Kohl, R. J. Manchek, P. Mucci,
* P. M. Papadopoulos, S. L. Scott, and V. S. Sunderam
* (C) 1997 All Rights Reserved
*
* NOTICE
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted
* provided that the above copyright notice appear in all copies and
* that both the copyright notice and this permission notice appear in
* supporting documentation.
*
* Neither the Institutions (Emory University, Oak Ridge National
* Laboratory, and University of Tennessee) nor the Authors make any
* representations about the suitability of this software for any
* purpose. This software is provided ``as is'' without express or
* implied warranty.
*
* PVM version 3 was funded in part by the U.S. Department of Energy,
* the National Science Foundation and the State of Tennessee.
*/
#include <stdio.h>
#ifdef HASSTDLIB
#include <stdlib.h>
#endif
#include "pvm3.h"
#define GRP "group"
#define DSIZE 10000
extern int pvmdebmask;
main(argc, argv)
int argc;
char **argv;
{
int i;
int j;
int k;
int l;
int mytid;
int mynod;
int niter = 8;
int ntask = 4;
int pnod;
int mydbmask = 0;
int myiter = 1;
double tstarray[DSIZE];
mytid = pvm_mytid();
if (argc > 1)
ntask = atoi(argv[1]);
else
{
printf("usage: ptest <nprocs> [debugmask] [niter] [sync/iteration]");
exit (-1);
}
if (argc > 2)
mydbmask = atoi(argv[2]);
if (argc > 3)
niter = atoi(argv[3]);
if (argc > 4)
myiter = atoi(argv[4]);
printf("%x understands %d processes\n", mytid, ntask);
mynod = pvm_joingroup(GRP);
if (mynod == 0)
pvmdebmask= mydbmask;
pvm_freezegroup(GRP,ntask);
pnod = pvm_gettid(GRP,0);
for (i = 0; i < niter; i ++)
{
for (k = 0; k < DSIZE; k ++)
tstarray[k] = 2*k + mynod + (i*DSIZE);
if (mynod == 0)
{
printf("Receiving data iter %d ...",i);
if ( i > niter/2)
printf(" (pvm_recv) ");
else
printf(" (pvm_precv) ");
printf("\n");
/* i_dump(1); */
for (j = 1; j < ntask; j ++)
{
if ( i > niter/2)
{
pvm_recv(pvm_gettid(GRP,j),0);
pvm_upkdouble(tstarray,DSIZE,1);
}
else
{
pvm_precv(pvm_gettid(GRP,j), 0, tstarray, DSIZE,
PVM_DOUBLE, (int*)0, (int*)0, (int*)0);
}
for (k = 0; k < DSIZE; k++)
if( tstarray[k] != (2*k + j + i*DSIZE) )
{
printf("Array match failed on iter %d, task %d index %d\n", i, j, k);
printf("Data should have been %f and was %f \n",
(double)(2*k + j + i*DSIZE), tstarray[k]);
printf("Next 10 values are :\n");
l = k;
for ( k = l; k < l + 10; k++)
printf("%d should have been %f was %f \n",k,
(double)(2*k + j + i*DSIZE), tstarray[k]);
exit(-1);
}
}
printf("Data validated from all tasks! \n");
if ( (i % myiter) == 0)
{
pvm_initsend(PvmDataDefault);
pvm_pkint(&i,1,1);
for (l =1; l < ntask; l++)
pvm_send(pvm_gettid(GRP,l),10);
}
}
else
{
pvm_psend(pnod, 0, tstarray, DSIZE, PVM_DOUBLE);
if ( (i % myiter ) == 0)
{
pvm_recv(pnod,10);
pvm_upkint(&k,1,1);
if (k != i)
{
printf("%x received iteration count %d instead of %d \n",
mytid, k, i);
exit(-1);
}
}
}
}
pvm_lvgroup(GRP);
pvm_exit();
}
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