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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpitest.h"
#include "mpi.h"
#include <stdio.h>
#include <stdlib.h>
#include "dtpools.h"
#include "mtest_dtp.h"
#include <assert.h>
/*
static char MTEST_Descrip[] = "Test of broadcast with various roots and datatypes";
*/
static int bcast_dtp(int seed, int testsize, int count, const char *basic_type,
mtest_mem_type_e oddmem, mtest_mem_type_e evenmem)
{
int errs = 0, err;
int rank, size, root;
int minsize = 2;
MPI_Comm comm;
DTP_pool_s dtp;
struct mtest_obj coll;
mtest_mem_type_e memtype;
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
static char test_desc[200];
snprintf(test_desc, 200,
"./bcast -seed=%d -testsize=%d -type=%s -count=%d -evenmemtype=%s -oddmemtype=%s",
seed, testsize, basic_type, count, MTest_memtype_name(evenmem),
MTest_memtype_name(oddmem));
if (rank == 0) {
MTestPrintfMsg(1, " %s\n", test_desc);
}
if (rank % 2 == 0)
memtype = evenmem;
else
memtype = oddmem;
err = DTP_pool_create(basic_type, count, seed + rank, &dtp);
if (err != DTP_SUCCESS) {
fprintf(stderr, "Error while creating send pool (%s,%d)\n", basic_type, count);
fflush(stderr);
}
MTest_dtp_obj_start(&coll, "coll", dtp, memtype, rank, false);
/* The following illustrates the use of the routines to
* run through a selection of communicators and datatypes.
* Use subsets of these for tests that do not involve combinations
* of communicators, datatypes, and counts of datatypes */
while (MTestGetIntracommGeneral(&comm, minsize, 1)) {
#if defined BCAST_COMM_WORLD_ONLY
if (comm != MPI_COMM_WORLD) {
MTestFreeComm(&comm);
continue;
}
#endif /* BCAST_COMM_WORLD_ONLY */
if (comm == MPI_COMM_NULL)
continue;
/* Determine the sender and receiver */
MPI_Comm_rank(comm, &rank);
MPI_Comm_size(comm, &size);
/* To improve reporting of problems about operations, we
* change the error handler to errors return */
MPI_Comm_set_errhandler(comm, MPI_ERRORS_RETURN);
for (root = 0; root < size; root++) {
for (int i = 0; i < testsize; i++) {
errs += MTest_dtp_create(&coll, true);
if (rank == root) {
errs += MTest_dtp_init(&coll, 0, 1, count);
} else {
errs += MTest_dtp_init(&coll, -1, -1, count);
}
err = MPI_Bcast((char *) coll.buf + coll.dtp_obj.DTP_buf_offset,
coll.dtp_obj.DTP_type_count, coll.dtp_obj.DTP_datatype, root, comm);
if (err) {
errs++;
MTestPrintError(err);
}
errs += MTest_dtp_check(&coll, 0, 1, count, NULL, errs < 10);
MTest_dtp_destroy(&coll);
}
}
MTestFreeComm(&comm);
}
MTest_dtp_obj_finish(&coll);
DTP_pool_free(dtp);
return errs;
}
int main(int argc, char *argv[])
{
int errs = 0;
MTest_Init(&argc, &argv);
struct dtp_args dtp_args;
dtp_args_init(&dtp_args, MTEST_DTP_COLL, argc, argv);
while (dtp_args_get_next(&dtp_args)) {
errs += bcast_dtp(dtp_args.seed, dtp_args.testsize,
dtp_args.count, dtp_args.basic_type,
dtp_args.u.coll.oddmem, dtp_args.u.coll.evenmem);
}
dtp_args_finalize(&dtp_args);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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