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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include <stdio.h>
#include "mpitest.h"
/*
static char MTEST_Descrip[] = "Simple test that alloc_mem and free_mem work together";
*/
int main(int argc, char *argv[])
{
int errs = 0, err;
int j, count;
char *ap;
int errclass;
MTest_Init(&argc, &argv);
MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
MPI_Info hints;
MPI_Info_create(&hints);
MPI_Info_set(hints, "mpi_minimum_memory_alignment", "4096");
const char *hintstrs[] = { "ddr", "hbm", "network", "shmem", NULL };
for (int i = 0; hintstrs[i]; i++) {
MPI_Info_set(hints, "mpich_buf_type", hintstrs[i]);
for (count = 1; count < 128000; count *= 2) {
err = MPI_Alloc_mem(count, hints, &ap);
if (err) {
MPI_Error_class(err, &errclass);
if (errclass == MPI_ERR_NO_MEM) {
err = MPI_Alloc_mem(count, MPI_INFO_NULL, &ap);
}
}
if (err) {
errs++;
MTestPrintError(err);
} else {
/* Access all of this memory */
for (j = 0; j < count; j++) {
ap[j] = (char) (j & 0x7f);
}
MPI_Free_mem(ap);
}
}
}
MPI_Info_free(&hints);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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