69 строки
1.7 KiB
C
69 строки
1.7 KiB
C
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/*file .c : spawned the file Exe*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "mpi.h"
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#include <pthread.h>
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#include <signal.h>
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#include <sys/time.h>
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#include <errno.h>
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#define EXE_TEST "./loop_child"
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int main( int argc, char **argv ) {
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long *lpBufferMpi;
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MPI_Comm lIntercom;
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int lErrcode;
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MPI_Comm lCommunicateur;
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int lRangMain,lRangExe,lMessageEnvoi,lIter,lTailleBuffer;
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int *lpMessageEnvoi=&lMessageEnvoi;
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MPI_Status lStatus; /*status de reception*/
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lIter=0;
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/* MPI environnement */
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printf("main*******************************\n");
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printf("main : Lancement MPI*\n");
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MPI_Init( &argc, &argv);
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lpBufferMpi = calloc( 10000, sizeof(long));
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MPI_Buffer_attach( (void*)lpBufferMpi, 10000 * sizeof(long) );
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while (lIter<1000){
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lIter ++;
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lIntercom=(MPI_Comm)-1 ;
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MPI_Comm_spawn( EXE_TEST, NULL, 1, MPI_INFO_NULL,
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0, MPI_COMM_WORLD, &lIntercom, &lErrcode );
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printf( "%i main***MPI_Comm_spawn return : %d\n",lIter, lErrcode );
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if(lIntercom == (MPI_Comm)-1 ){
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printf("%i Intercom null\n",lIter);
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return 0;
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}
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MPI_Intercomm_merge(lIntercom, 0,&lCommunicateur );
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MPI_Comm_rank( lCommunicateur, &lRangMain);
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lRangExe=1-lRangMain;
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printf("%i main***Rang main : %i Rang exe : %i \n",lIter,(int)lRangMain,(int)lRangExe);
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// sleep(2);
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}
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/* Arret de l'environnement MPI */
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lTailleBuffer=10000* sizeof(long);
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MPI_Buffer_detach( (void*)lpBufferMpi, &lTailleBuffer );
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MPI_Comm_free( &lCommunicateur );
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MPI_Finalize( );
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free( lpBufferMpi );
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printf( "Main = End .\n" );
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return 0;
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}
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