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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
/* A simple test of the proposed MPI_T_ interface that assumes the
* presence of two performance variables: "posted_recvq_length" and
* "unexpected_recvq_length". Some information about these variables
* is printed to stdout and then a few messages are sent/received to
* show that these variables are reporting useful information.
*
* Author: Dave Goodell <goodell@mcs.anl.gov.
*/
#include "mpi.h"
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <math.h>
#include <string.h>
#include "mpitestconf.h"
#if !defined(USE_STRICT_MPI) && defined(MPICH)
static int posted_qlen, unexpected_qlen;
static MPI_Aint posted_queue_match_attempts, unexpected_queue_match_attempts;
static MPI_T_pvar_handle pq_handle, uq_handle, pqm_handle, uqm_handle;
static MPI_T_pvar_session session;
static void print_vars(int idx)
{
MPI_T_pvar_read(session, pq_handle, &posted_qlen);
MPI_T_pvar_read(session, uq_handle, &unexpected_qlen);
MPI_T_pvar_read(session, pqm_handle, &posted_queue_match_attempts);
MPI_T_pvar_read(session, uqm_handle, &unexpected_queue_match_attempts);
printf("(%d) posted_qlen=%d unexpected_qlen=%d ", idx, posted_qlen, unexpected_qlen);
printf("posted_queue_match_attempts=%lu unexpected_queue_match_attempts=%lu\n",
posted_queue_match_attempts, unexpected_queue_match_attempts);
}
int main(int argc, char **argv)
{
int i;
int num;
int rank, size;
/*#define STR_SZ (15)*/
#define STR_SZ (50)
int name_len = STR_SZ;
char name[STR_SZ] = "";
int desc_len = STR_SZ;
char desc[STR_SZ] = "";
int verb;
MPI_Datatype dtype;
int count;
int bind;
int varclass;
int readonly, continuous, atomic;
int provided;
MPI_T_enum enumtype;
int pq_idx = -1, uq_idx = -1, pqm_idx = -1, uqm_idx = -1;
int pqm_writable = -1, uqm_writable = -1;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
provided = 0xdeadbeef;
MPI_T_init_thread(MPI_THREAD_SINGLE, &provided);
assert(provided != 0xdeadbeef);
num = 0xdeadbeef;
MPI_T_pvar_get_num(&num);
printf("get_num=%d\n", num);
assert(num != 0xdeadbeef);
for (i = 0; i < num; ++i) {
name_len = desc_len = STR_SZ;
MPI_T_pvar_get_info(i, name, &name_len, &verb, &varclass, &dtype, &enumtype, desc,
&desc_len, &bind, &readonly, &continuous, &atomic);
printf("index=%d\n", i);
printf("--> name='%s' name_len=%d desc='%s' desc_len=%d\n", name, name_len, desc, desc_len);
printf("--> verb=%d varclass=%d dtype=%#x bind=%d readonly=%d continuous=%d atomic=%d\n",
verb, varclass, dtype, bind, readonly, continuous, atomic);
if (0 == strcmp(name, "posted_recvq_length")) {
pq_idx = i;
} else if (0 == strcmp(name, "unexpected_recvq_length")) {
uq_idx = i;
} else if (0 == strcmp(name, "posted_recvq_match_attempts")) {
pqm_idx = i;
pqm_writable = !readonly;
} else if (0 == strcmp(name, "unexpected_recvq_match_attempts")) {
uqm_idx = i;
uqm_writable = !readonly;
}
}
printf("pq_idx=%d uq_idx=%d pqm_idx=%d uqm_idx=%d\n", pq_idx, uq_idx, pqm_idx, uqm_idx);
/* setup a session and handles for the PQ and UQ length variables */
session = MPI_T_PVAR_SESSION_NULL;
MPI_T_pvar_session_create(&session);
assert(session != MPI_T_PVAR_SESSION_NULL);
pq_handle = MPI_T_PVAR_HANDLE_NULL;
MPI_T_pvar_handle_alloc(session, pq_idx, NULL, &pq_handle, &count);
assert(count = 1);
assert(pq_handle != MPI_T_PVAR_HANDLE_NULL);
uq_handle = MPI_T_PVAR_HANDLE_NULL;
MPI_T_pvar_handle_alloc(session, uq_idx, NULL, &uq_handle, &count);
assert(count = 1);
assert(uq_handle != MPI_T_PVAR_HANDLE_NULL);
pqm_handle = MPI_T_PVAR_HANDLE_NULL;
MPI_T_pvar_handle_alloc(session, pqm_idx, NULL, &pqm_handle, &count);
assert(count = 1);
assert(pqm_handle != MPI_T_PVAR_HANDLE_NULL);
uqm_handle = MPI_T_PVAR_HANDLE_NULL;
MPI_T_pvar_handle_alloc(session, uqm_idx, NULL, &uqm_handle, &count);
assert(count = 1);
assert(uqm_handle != MPI_T_PVAR_HANDLE_NULL);
/* now send/recv some messages and track the lengths of the queues */
{
int buf1, buf2, buf3, buf4;
MPI_Request r1, r2, r3, r4;
buf1 = buf2 = buf3 = buf4 = 0xfeedface;
r1 = r2 = r3 = r4 = MPI_REQUEST_NULL;
posted_qlen = 0x0123abcd;
unexpected_qlen = 0x0123abcd;
posted_queue_match_attempts = 0x0123abcd;
unexpected_queue_match_attempts = 0x0123abcd;
print_vars(1);
MPI_Isend(&buf1, 1, MPI_INT, 0, /*tag= */ 11, MPI_COMM_SELF, &r1);
print_vars(2);
printf("expected (posted_qlen,unexpected_qlen) = (0,1)\n");
MPI_Isend(&buf1, 1, MPI_INT, 0, /*tag= */ 22, MPI_COMM_SELF, &r2);
print_vars(3);
printf("expected (posted_qlen,unexpected_qlen) = (0,2)\n");
MPI_Irecv(&buf2, 1, MPI_INT, 0, /*tag= */ 33, MPI_COMM_SELF, &r3);
print_vars(4);
printf("expected (posted_qlen,unexpected_qlen) = (1,2)\n");
MPI_Recv(&buf3, 1, MPI_INT, 0, /*tag= */ 22, MPI_COMM_SELF, MPI_STATUS_IGNORE);
MPI_Wait(&r2, MPI_STATUS_IGNORE);
print_vars(5);
printf("expected (posted_qlen,unexpected_qlen) = (1,1)\n");
MPI_Recv(&buf3, 1, MPI_INT, 0, /*tag= */ 11, MPI_COMM_SELF, MPI_STATUS_IGNORE);
MPI_Wait(&r1, MPI_STATUS_IGNORE);
print_vars(6);
printf("expected (posted_qlen,unexpected_qlen) = (1,0)\n");
MPI_Send(&buf3, 1, MPI_INT, 0, /*tag= */ 33, MPI_COMM_SELF);
MPI_Wait(&r3, MPI_STATUS_IGNORE);
print_vars(7);
printf("expected (posted_qlen,unexpected_qlen) = (0,0)\n");
}
if (pqm_writable) {
posted_queue_match_attempts = 0;
MPI_T_pvar_write(session, pqm_handle, &posted_queue_match_attempts);
}
if (uqm_writable) {
unexpected_queue_match_attempts = 0;
MPI_T_pvar_write(session, uqm_handle, &unexpected_queue_match_attempts);
}
print_vars(8);
/* cleanup */
MPI_T_pvar_handle_free(session, &uqm_handle);
MPI_T_pvar_handle_free(session, &pqm_handle);
MPI_T_pvar_handle_free(session, &uq_handle);
MPI_T_pvar_handle_free(session, &pq_handle);
MPI_T_pvar_session_free(&session);
MPI_T_finalize();
MPI_Finalize();
return 0;
}
#else
/* Simple null program to allow building this file with non-MPICH
implementations */
int main(int argc, char **argv)
{
MPI_Init(&argc, &argv);
printf(" No Errors\n");
MPI_Finalize();
return 0;
}
#endif
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