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/* Copyright (c) 2011-2018. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
/* This program simply does a very small exchange to test whether using SIMIX dsend to model the eager mode works */
#include <stdint.h>
#include <stdio.h>
#include <mpi.h>
XBT_LOG_NEW_DEFAULT_CATEGORY(dsend,"the dsend test");
int main()
{
int rank;
int32_t data=11;
MPI_Init(NULL, NULL);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Request r;
if (rank==1) {
data=22;
MPI_Send(&data,1,MPI_INT32_T,(rank+1)%2,666,MPI_COMM_WORLD);
} else {
MPI_Recv(&data,1,MPI_INT32_T,MPI_ANY_SOURCE,666,MPI_COMM_WORLD,NULL);
if (data !=22) {
printf("rank %d: Damn, data does not match (got %d)\n",rank, data);
}
}
if (rank==1) {
data=22;
MPI_Isend(&data,1,MPI_INT32_T,(rank+1)%2,666,MPI_COMM_WORLD, &r);
MPI_Wait(&r, MPI_STATUS_IGNORE);
} else {
MPI_Irecv(&data,1,MPI_INT32_T,MPI_ANY_SOURCE,666,MPI_COMM_WORLD,&r);
MPI_Wait(&r, MPI_STATUS_IGNORE);
if (data !=22) {
printf("rank %d: Damn, data does not match (got %d)\n",rank, data);
}
}
XBT_INFO("rank %d: data exchanged", rank);
MPI_Finalize();
return 0;
}
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