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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include <stdio.h>
#include <mpi.h>
#include <string.h>
#include "mpitest.h"
#define VERBOSE 0
int rank, nproc;
static int check_win_info_get(MPI_Win win, const char *key, const char *exp_val)
{
int flag = 0;
MPI_Info info_out = MPI_INFO_NULL;
char buf[MPI_MAX_INFO_VAL];
int errors = 0;
MPI_Win_get_info(win, &info_out);
MPI_Info_get(info_out, key, MPI_MAX_INFO_VAL, buf, &flag);
if (!flag || strncmp(buf, exp_val, strlen(exp_val)) != 0) {
if (flag)
printf("%d: %s: expected \"%s\" but got %s\n", rank, key, exp_val, buf);
else
printf("%d: %s not defined\n", rank, key);
errors++;
} else if (flag && VERBOSE)
printf("%d: %s = %s\n", rank, key, buf);
MPI_Info_free(&info_out);
return errors;
}
static void win_info_set(MPI_Win win, const char *key, const char *set_val)
{
MPI_Info info_in = MPI_INFO_NULL;
MPI_Info_create(&info_in);
MPI_Info_set(info_in, key, set_val);
MPI_Win_set_info(win, info_in);
MPI_Info_free(&info_in);
}
int main(int argc, char **argv)
{
MPI_Info info_in, info_out;
int errors = 0, all_errors = 0;
MPI_Win win;
void *base;
char invalid_key[] = "invalid_test_key";
char buf[MPI_MAX_INFO_VAL];
int flag;
MPI_Comm shm_comm = MPI_COMM_NULL;
MTest_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &nproc);
/* Test#1: setting a valid key at window-create time */
MPI_Info_create(&info_in);
MPI_Info_set(info_in, "no_locks", "true");
MPI_Win_allocate(sizeof(int), sizeof(int), info_in, MPI_COMM_WORLD, &base, &win);
errors += check_win_info_get(win, "no_locks", "true");
MPI_Info_free(&info_in);
/* We create a new window with no info argument for the next text to ensure that we have the
* default settings */
MPI_Win_free(&win);
MPI_Win_allocate(sizeof(int), sizeof(int), MPI_INFO_NULL, MPI_COMM_WORLD, &base, &win);
/* Test#2: setting and getting invalid key */
win_info_set(win, invalid_key, "true");
MPI_Win_get_info(win, &info_out);
MPI_Info_get(info_out, invalid_key, MPI_MAX_INFO_VAL, buf, &flag);
#ifndef USE_STRICT_MPI
/* Check if our invalid key was ignored. Note, this check's MPICH's
* behavior, but this behavior may not be required for a standard
* conforming MPI implementation. */
if (flag) {
printf("%d: %s was not ignored\n", rank, invalid_key);
errors++;
}
#endif
MPI_Info_free(&info_out);
/* Test#3: setting info key "no_lock" (no default value) */
win_info_set(win, "no_locks", "false");
errors += check_win_info_get(win, "no_locks", "false");
win_info_set(win, "no_locks", "true");
errors += check_win_info_get(win, "no_locks", "true");
/* Test#4: getting/setting "accumulate_ordering" */
/* #4.1: is the default "rar,raw,war,waw" as stated in the standard? */
errors += check_win_info_get(win, "accumulate_ordering", "rar,raw,war,waw");
/* #4.2: setting "accumulate_ordering" to "none" */
win_info_set(win, "accumulate_ordering", "none");
errors += check_win_info_get(win, "accumulate_ordering", "none");
/* #4.3: setting "accumulate_ordering" to "rar,waw" */
win_info_set(win, "accumulate_ordering", "rar,waw");
errors += check_win_info_get(win, "accumulate_ordering", "rar,waw");
/* Test#5: getting/setting "accumulate_ops" */
/* #5.1: is the default "same_op_no_op" as stated in the standard? */
errors += check_win_info_get(win, "accumulate_ops", "same_op_no_op");
/* #5.2: setting "accumulate_ops" to "same_op" */
win_info_set(win, "accumulate_ops", "same_op");
errors += check_win_info_get(win, "accumulate_ops", "same_op");
/* Test#6: setting "same_size" (no default value) */
win_info_set(win, "same_size", "false");
errors += check_win_info_get(win, "same_size", "false");
win_info_set(win, "same_size", "true");
errors += check_win_info_get(win, "same_size", "true");
/* Test#7: setting "same_disp_unit" (no default value) */
win_info_set(win, "same_disp_unit", "false");
errors += check_win_info_get(win, "same_disp_unit", "false");
win_info_set(win, "same_disp_unit", "true");
errors += check_win_info_get(win, "same_disp_unit", "true");
/* TODO: check alloc_shm as implementation-specific test */
/* Test#8: setting "alloc_shared_noncontig" (no default value) in shared window. */
MPI_Win_free(&win);
/* #8.1: setting at window allocation */
MPI_Comm_split_type(MPI_COMM_WORLD, MPI_COMM_TYPE_SHARED, rank, MPI_INFO_NULL, &shm_comm);
MPI_Info_create(&info_in);
MPI_Info_set(info_in, "alloc_shared_noncontig", "true");
MPI_Win_allocate_shared(sizeof(int), sizeof(int), info_in, shm_comm, &base, &win);
errors += check_win_info_get(win, "alloc_shared_noncontig", "true");
MPI_Info_free(&info_in);
/* #8.2: setting info */
win_info_set(win, "alloc_shared_noncontig", "false");
errors += check_win_info_get(win, "alloc_shared_noncontig", "false");
MPI_Comm_free(&shm_comm);
MPI_Win_free(&win);
MTest_Finalize(errors);
return MTestReturnValue(all_errors);
}
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