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|
/*
* Copyright (c) 2016-2017 Inria. All rights reserved.
* Copyright (c) 2017 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2024 Jeffrey M. Squyres. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/*
Check the well working of the monitoring component for Open-MPI.
To be run as:
mpirun -n 4 --mca pml_monitoring_enable 2 ./check_monitoring
*/
#include <mpi.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define PVAR_GENERATE_VARIABLES(pvar_prefix, pvar_name, pvar_class) \
/* Variables */ \
static MPI_T_pvar_handle pvar_prefix ## _handle; \
static const char pvar_prefix ## _pvar_name[] = pvar_name; \
static int pvar_prefix ## _pvar_idx; \
/* Functions */ \
static inline int pvar_prefix ## _start(MPI_T_pvar_session session) \
{ \
int MPIT_result; \
MPIT_result = MPI_T_pvar_start(session, pvar_prefix ## _handle); \
if( MPI_SUCCESS != MPIT_result ) { \
fprintf(stderr, "Failed to start handle on \"%s\" pvar, check that you have " \
"enabled the monitoring component.\n", pvar_prefix ## _pvar_name); \
MPI_Abort(MPI_COMM_WORLD, MPIT_result); \
} \
return MPIT_result; \
} \
static inline int pvar_prefix ## _init(MPI_T_pvar_session session) \
{ \
int MPIT_result; \
MPI_Comm comm = MPI_COMM_WORLD; \
/* Get index */ \
MPIT_result = MPI_T_pvar_get_index(pvar_prefix ## _pvar_name, \
pvar_class, \
&(pvar_prefix ## _pvar_idx)); \
if( MPI_SUCCESS != MPIT_result ) { \
fprintf(stderr, "Cannot find monitoring MPI_Tool \"%s\" pvar, check that you have " \
"enabled the monitoring component.\n", pvar_prefix ## _pvar_name); \
MPI_Abort(MPI_COMM_WORLD, MPIT_result); \
return MPIT_result; \
} \
/* Allocate handle */ \
/* Allocating a new PVAR in a session will reset the counters */ \
int count; \
MPIT_result = MPI_T_pvar_handle_alloc(session, pvar_prefix ## _pvar_idx, \
&comm, &(pvar_prefix ## _handle), \
&count); \
if( MPI_SUCCESS != MPIT_result ) { \
fprintf(stderr, "Failed to allocate handle on \"%s\" pvar, check that you have " \
"enabled the monitoring component.\n", pvar_prefix ## _pvar_name); \
MPI_Abort(MPI_COMM_WORLD, MPIT_result); \
return MPIT_result; \
} \
/* Start PVAR */ \
return pvar_prefix ## _start(session); \
} \
static inline int pvar_prefix ## _stop(MPI_T_pvar_session session) \
{ \
int MPIT_result; \
MPIT_result = MPI_T_pvar_stop(session, pvar_prefix ## _handle); \
if( MPI_SUCCESS != MPIT_result ) { \
fprintf(stderr, "Failed to stop handle on \"%s\" pvar, check that you have " \
"enabled the monitoring component.\n", pvar_prefix ## _pvar_name); \
MPI_Abort(MPI_COMM_WORLD, MPIT_result); \
} \
return MPIT_result; \
} \
static inline int pvar_prefix ## _finalize(MPI_T_pvar_session session) \
{ \
int MPIT_result; \
/* Stop PVAR */ \
MPIT_result = pvar_prefix ## _stop(session); \
/* Free handle */ \
MPIT_result = MPI_T_pvar_handle_free(session, &(pvar_prefix ## _handle)); \
if( MPI_SUCCESS != MPIT_result ) { \
fprintf(stderr, "Failed to allocate handle on \"%s\" pvar, check that you have " \
"enabled the monitoring component.\n", pvar_prefix ## _pvar_name); \
MPI_Abort(MPI_COMM_WORLD, MPIT_result); \
return MPIT_result; \
} \
return MPIT_result; \
} \
static inline int pvar_prefix ## _read(MPI_T_pvar_session session, void*values) \
{ \
int MPIT_result; \
/* Stop pvar */ \
MPIT_result = pvar_prefix ## _stop(session); \
/* Read values */ \
MPIT_result = MPI_T_pvar_read(session, pvar_prefix ## _handle, values); \
if( MPI_SUCCESS != MPIT_result ) { \
fprintf(stderr, "Failed to read handle on \"%s\" pvar, check that you have " \
"enabled the monitoring component.\n", pvar_prefix ## _pvar_name); \
MPI_Abort(MPI_COMM_WORLD, MPIT_result); \
} \
/* Start and return */ \
return pvar_prefix ## _start(session); \
}
#define GENERATE_CS(prefix, pvar_name_prefix, pvar_class_c, pvar_class_s) \
PVAR_GENERATE_VARIABLES(prefix ## _count, pvar_name_prefix "_count", pvar_class_c) \
PVAR_GENERATE_VARIABLES(prefix ## _size, pvar_name_prefix "_size", pvar_class_s) \
static inline int pvar_ ## prefix ## _init(MPI_T_pvar_session session) \
{ \
prefix ## _count_init(session); \
return prefix ## _size_init(session); \
} \
static inline int pvar_ ## prefix ## _finalize(MPI_T_pvar_session session) \
{ \
prefix ## _count_finalize(session); \
return prefix ## _size_finalize(session); \
} \
static inline void pvar_ ## prefix ## _read(MPI_T_pvar_session session, \
size_t*cvalues, size_t*svalues) \
{ \
/* Read count values */ \
prefix ## _count_read(session, cvalues); \
/* Read size values */ \
prefix ## _size_read(session, svalues); \
}
GENERATE_CS(pml, "pml_monitoring_messages", MPI_T_PVAR_CLASS_SIZE, MPI_T_PVAR_CLASS_SIZE)
GENERATE_CS(osc_s, "osc_monitoring_messages_sent", MPI_T_PVAR_CLASS_SIZE, MPI_T_PVAR_CLASS_SIZE)
GENERATE_CS(osc_r, "osc_monitoring_messages_recv", MPI_T_PVAR_CLASS_SIZE, MPI_T_PVAR_CLASS_SIZE)
GENERATE_CS(coll, "coll_monitoring_messages", MPI_T_PVAR_CLASS_SIZE, MPI_T_PVAR_CLASS_SIZE)
GENERATE_CS(o2a, "coll_monitoring_o2a", MPI_T_PVAR_CLASS_COUNTER, MPI_T_PVAR_CLASS_AGGREGATE)
GENERATE_CS(a2o, "coll_monitoring_a2o", MPI_T_PVAR_CLASS_COUNTER, MPI_T_PVAR_CLASS_AGGREGATE)
GENERATE_CS(a2a, "coll_monitoring_a2a", MPI_T_PVAR_CLASS_COUNTER, MPI_T_PVAR_CLASS_AGGREGATE)
static size_t *old_cvalues, *old_svalues;
static inline void pvar_all_init(MPI_T_pvar_session*session, int world_size)
{
int MPIT_result, provided;
MPIT_result = MPI_T_init_thread(MPI_THREAD_SINGLE, &provided);
if (MPIT_result != MPI_SUCCESS) {
fprintf(stderr, "Failed to initialize MPI_Tools sub-system.\n");
MPI_Abort(MPI_COMM_WORLD, MPIT_result);
}
MPIT_result = MPI_T_pvar_session_create(session);
if (MPIT_result != MPI_SUCCESS) {
printf("Failed to create a session for PVARs.\n");
MPI_Abort(MPI_COMM_WORLD, MPIT_result);
}
old_cvalues = malloc(2 * world_size * sizeof(size_t));
old_svalues = old_cvalues + world_size;
pvar_pml_init(*session);
pvar_osc_s_init(*session);
pvar_osc_r_init(*session);
pvar_coll_init(*session);
pvar_o2a_init(*session);
pvar_a2o_init(*session);
pvar_a2a_init(*session);
}
static inline void pvar_all_finalize(MPI_T_pvar_session*session)
{
int MPIT_result;
pvar_pml_finalize(*session);
pvar_osc_s_finalize(*session);
pvar_osc_r_finalize(*session);
pvar_coll_finalize(*session);
pvar_o2a_finalize(*session);
pvar_a2o_finalize(*session);
pvar_a2a_finalize(*session);
free(old_cvalues);
MPIT_result = MPI_T_pvar_session_free(session);
if (MPIT_result != MPI_SUCCESS) {
printf("Failed to close a session for PVARs.\n");
MPI_Abort(MPI_COMM_WORLD, MPIT_result);
}
(void)MPI_T_finalize();
}
static inline int pvar_pml_check(MPI_T_pvar_session session, int world_size, int world_rank)
{
int i, ret = MPI_SUCCESS;
size_t *cvalues, *svalues;
cvalues = malloc(2 * world_size * sizeof(size_t));
svalues = cvalues + world_size;
/* Get values */
pvar_pml_read(session, cvalues, svalues);
for( i = 0; i < world_size && MPI_SUCCESS == ret; ++i ) {
/* Check count values */
if( i == world_rank && (cvalues[i] - old_cvalues[i]) != (size_t) 0 ) {
fprintf(stderr, "Error in %s: count_values[%d]=%zu, and should be equal to %zu.\n",
__func__, i, cvalues[i] - old_cvalues[i], (size_t) 0);
ret = -1;
} else if ( i != world_rank && (cvalues[i] - old_cvalues[i]) < (size_t) world_size ) {
fprintf(stderr, "Error in %s: count_values[%d]=%zu, and should be >= %zu.\n",
__func__, i, cvalues[i] - old_cvalues[i], (size_t) world_size);
ret = -1;
}
/* Check size values */
if( i == world_rank && (svalues[i] - old_svalues[i]) != (size_t) 0 ) {
fprintf(stderr, "Error in %s: size_values[%d]=%zu, and should be equal to %zu.\n",
__func__, i, svalues[i] - old_svalues[i], (size_t) 0);
ret = -1;
} else if ( i != world_rank && (svalues[i] - old_svalues[i]) < (size_t) (world_size * 13 * sizeof(char)) ) {
fprintf(stderr, "Error in %s: size_values[%d]=%zu, and should be >= %zu.\n",
__func__, i, svalues[i] - old_svalues[i], (size_t) (world_size * 13 * sizeof(char)));
ret = -1;
}
}
if( MPI_SUCCESS == ret ) {
fprintf(stdout, "Check PML...[ OK ]\n");
} else {
fprintf(stdout, "Check PML...[FAIL]\n");
}
/* Keep old PML values */
memcpy(old_cvalues, cvalues, 2 * world_size * sizeof(size_t));
/* Free arrays */
free(cvalues);
return ret;
}
static inline int pvar_osc_check(MPI_T_pvar_session session, int world_size, int world_rank)
{
int i, ret = MPI_SUCCESS;
size_t *cvalues, *svalues;
cvalues = malloc(2 * world_size * sizeof(size_t));
svalues = cvalues + world_size;
/* Get OSC values */
memset(cvalues, 0, 2 * world_size * sizeof(size_t));
/* Check OSC sent values */
pvar_osc_s_read(session, cvalues, svalues);
for( i = 0; i < world_size && MPI_SUCCESS == ret; ++i ) {
/* Check count values */
if( cvalues[i] < (size_t) world_size ) {
fprintf(stderr, "Error in %s: count_values[%d]=%zu, and should be >= %zu.\n",
__func__, i, cvalues[i], (size_t) world_size);
ret = -1;
}
/* Check size values */
if( svalues[i] < (size_t) (world_size * 13 * sizeof(char)) ) {
fprintf(stderr, "Error in %s: size_values[%d]=%zu, and should be >= %zu.\n",
__func__, i, svalues[i], (size_t) (world_size * 13 * sizeof(char)));
ret = -1;
}
}
/* Check OSC received values */
pvar_osc_r_read(session, cvalues, svalues);
for( i = 0; i < world_size && MPI_SUCCESS == ret; ++i ) {
/* Check count values */
if( cvalues[i] < (size_t) world_size ) {
fprintf(stderr, "Error in %s: count_values[%d]=%zu, and should be >= %zu.\n",
__func__, i, cvalues[i], (size_t) world_size);
ret = -1;
}
/* Check size values */
if( svalues[i] < (size_t) (world_size * 13 * sizeof(char)) ) {
fprintf(stderr, "Error in %s: size_values[%d]=%zu, and should be >= %zu.\n",
__func__, i, svalues[i], (size_t) (world_size * 13 * sizeof(char)));
ret = -1;
}
}
if( MPI_SUCCESS == ret ) {
fprintf(stdout, "Check OSC...[ OK ]\n");
} else {
fprintf(stdout, "Check OSC...[FAIL]\n");
}
/* Keep old PML values */
memcpy(old_cvalues, cvalues, 2 * world_size * sizeof(size_t));
/* Free arrays */
free(cvalues);
return ret;
}
static inline int pvar_coll_check(MPI_T_pvar_session session, int world_size, int world_rank) {
int i, ret = MPI_SUCCESS;
size_t count, size;
size_t *cvalues, *svalues;
cvalues = malloc(2 * world_size * sizeof(size_t));
svalues = cvalues + world_size;
/* Get COLL values */
pvar_coll_read(session, cvalues, svalues);
for( i = 0; i < world_size && MPI_SUCCESS == ret; ++i ) {
/* Check count values */
if( i == world_rank && cvalues[i] != (size_t) 0 ) {
fprintf(stderr, "Error in %s: count_values[%d]=%zu, and should be equal to %zu.\n",
__func__, i, cvalues[i], (size_t) 0);
ret = -1;
} else if ( i != world_rank && cvalues[i] < (size_t) (world_size + 1) * 4 ) {
fprintf(stderr, "Error in %s: count_values[%d]=%zu, and should be >= %zu.\n",
__func__, i, cvalues[i], (size_t) (world_size + 1) * 4);
ret = -1;
}
/* Check size values */
if( i == world_rank && svalues[i] != (size_t) 0 ) {
fprintf(stderr, "Error in %s: size_values[%d]=%zu, and should be equal to %zu.\n",
__func__, i, svalues[i], (size_t) 0);
ret = -1;
} else if ( i != world_rank && svalues[i] < (size_t) (world_size * (2 * 13 * sizeof(char) + sizeof(int)) + 13 * 3 * sizeof(char) + sizeof(int)) ) {
fprintf(stderr, "Error in %s: size_values[%d]=%zu, and should be >= %zu.\n",
__func__, i, svalues[i], (size_t) (world_size * (2 * 13 * sizeof(char) + sizeof(int)) + 13 * 3 * sizeof(char) + sizeof(int)));
ret = -1;
}
}
/* Check One-to-all COLL values */
pvar_o2a_read(session, &count, &size);
if( count < (size_t) 2 ) {
fprintf(stderr, "Error in %s: count_o2a=%zu, and should be >= %zu.\n",
__func__, count, (size_t) 2);
ret = -1;
}
if( size < (size_t) ((world_size - 1) * 13 * 2 * sizeof(char)) ) {
fprintf(stderr, "Error in %s: size_o2a=%zu, and should be >= %zu.\n",
__func__, size, (size_t) ((world_size - 1) * 13 * 2 * sizeof(char)));
ret = -1;
}
/* Check All-to-one COLL values */
pvar_a2o_read(session, &count, &size);
if( count < (size_t) 2 ) {
fprintf(stderr, "Error in %s: count_a2o=%zu, and should be >= %zu.\n",
__func__, count, (size_t) 2);
ret = -1;
}
if( size < (size_t) ((world_size - 1) * (13 * sizeof(char) + sizeof(int))) ) {
fprintf(stderr, "Error in %s: size_a2o=%zu, and should be >= %zu.\n",
__func__, size,
(size_t) ((world_size - 1) * (13 * sizeof(char) + sizeof(int))));
ret = -1;
}
/* Check All-to-all COLL values */
pvar_a2a_read(session, &count, &size);
if( count < (size_t) (world_size * 4) ) {
fprintf(stderr, "Error in %s: count_a2a=%zu, and should be >= %zu.\n",
__func__, count, (size_t) (world_size * 4));
ret = -1;
}
if( size < (size_t) (world_size * (world_size - 1) * (2 * 13 * sizeof(char) + sizeof(int))) ) {
fprintf(stderr, "Error in %s: size_a2a=%zu, and should be >= %zu.\n",
__func__, size,
(size_t) (world_size * (world_size - 1) * (2 * 13 * sizeof(char) + sizeof(int))));
ret = -1;
}
if( MPI_SUCCESS == ret ) {
fprintf(stdout, "Check COLL...[ OK ]\n");
} else {
fprintf(stdout, "Check COLL...[FAIL]\n");
}
/* Keep old PML values */
pvar_pml_read(session, old_cvalues, old_svalues);
/* Free arrays */
free(cvalues);
return ret;
}
int main(int argc, char* argv[])
{
int size, i, n, to, from, world_rank;
MPI_T_pvar_session session;
MPI_Status status;
char s1[20], s2[20];
strncpy(s1, "hello world!", 13);
MPI_Init(NULL, NULL);
MPI_Comm_rank(MPI_COMM_WORLD, &world_rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
pvar_all_init(&session, size);
/* first phase: exchange size times data with everyone in
MPI_COMM_WORLD with collective operations. This phase comes
first in order to ease the prediction of messages exchanged of
each kind.
*/
char*coll_buff = malloc(2 * size * 13 * sizeof(char));
char*coll_recv_buff = coll_buff + size * 13;
int sum_ranks;
for( n = 0; n < size; ++n ) {
/* Allgather */
memset(coll_buff, 0, size * 13 * sizeof(char));
MPI_Allgather(s1, 13, MPI_CHAR, coll_buff, 13, MPI_CHAR, MPI_COMM_WORLD);
for( i = 0; i < size; ++i ) {
if( strncmp(s1, &coll_buff[i * 13], 13) ) {
fprintf(stderr, "Error in Allgather check: received \"%s\" instead of "
"\"hello world!\" from %d.\n", &coll_buff[i * 13], i);
MPI_Abort(MPI_COMM_WORLD, -1);
}
}
/* Scatter */
MPI_Scatter(coll_buff, 13, MPI_CHAR, s2, 13, MPI_CHAR, n, MPI_COMM_WORLD);
if( strncmp(s1, s2, 13) ) {
fprintf(stderr, "Error in Scatter check: received \"%s\" instead of "
"\"hello world!\" from %d.\n", s2, n);
MPI_Abort(MPI_COMM_WORLD, -1);
}
/* Allreduce */
MPI_Allreduce(&world_rank, &sum_ranks, 1, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
if( sum_ranks != ((size - 1) * size / 2) ) {
fprintf(stderr, "Error in Allreduce check: sum_ranks=%d instead of %d.\n",
sum_ranks, (size - 1) * size / 2);
MPI_Abort(MPI_COMM_WORLD, -1);
}
/* Alltoall */
memset(coll_recv_buff, 0, size * 13 * sizeof(char));
MPI_Alltoall(coll_buff, 13, MPI_CHAR, coll_recv_buff, 13, MPI_CHAR, MPI_COMM_WORLD);
for( i = 0; i < size; ++i ) {
if( strncmp(s1, &coll_recv_buff[i * 13], 13) ) {
fprintf(stderr, "Error in Alltoall check: received \"%s\" instead of "
"\"hello world!\" from %d.\n", &coll_recv_buff[i * 13], i);
MPI_Abort(MPI_COMM_WORLD, -1);
}
}
/* Bcast */
if( n == world_rank ) {
MPI_Bcast(s1, 13, MPI_CHAR, n, MPI_COMM_WORLD);
} else {
MPI_Bcast(s2, 13, MPI_CHAR, n, MPI_COMM_WORLD);
if( strncmp(s1, s2, 13) ) {
fprintf(stderr, "Error in Bcast check: received \"%s\" instead of "
"\"hello world!\" from %d.\n", s2, n);
MPI_Abort(MPI_COMM_WORLD, -1);
}
}
/* Barrier */
MPI_Barrier(MPI_COMM_WORLD);
/* Gather */
memset(coll_buff, 0, size * 13 * sizeof(char));
MPI_Gather(s1, 13, MPI_CHAR, coll_buff, 13, MPI_CHAR, n, MPI_COMM_WORLD);
if( n == world_rank ) {
for( i = 0; i < size; ++i ) {
if( strncmp(s1, &coll_buff[i * 13], 13) ) {
fprintf(stderr, "Error in Gather check: received \"%s\" instead of "
"\"hello world!\" from %d.\n", &coll_buff[i * 13], i);
MPI_Abort(MPI_COMM_WORLD, -1);
}
}
}
/* Reduce */
MPI_Reduce(&world_rank, &sum_ranks, 1, MPI_INT, MPI_SUM, n, MPI_COMM_WORLD);
if( n == world_rank ) {
if( sum_ranks != ((size - 1) * size / 2) ) {
fprintf(stderr, "Error in Reduce check: sum_ranks=%d instead of %d.\n",
sum_ranks, (size - 1) * size / 2);
MPI_Abort(MPI_COMM_WORLD, -1);
}
}
}
free(coll_buff);
if( -1 == pvar_coll_check(session, size, world_rank) ) MPI_Abort(MPI_COMM_WORLD, -1);
/* second phase: exchange size times data with everyone except self
in MPI_COMM_WORLD with Send/Recv */
for( n = 0; n < size; ++n ) {
for( i = 0; i < size - 1; ++i ) {
to = (world_rank+1+i)%size;
from = (world_rank+size-1-i)%size;
if(world_rank < to){
MPI_Send(s1, 13, MPI_CHAR, to, world_rank, MPI_COMM_WORLD);
MPI_Recv(s2, 13, MPI_CHAR, from, from, MPI_COMM_WORLD, &status);
} else {
MPI_Recv(s2, 13, MPI_CHAR, from, from, MPI_COMM_WORLD, &status);
MPI_Send(s1, 13, MPI_CHAR, to, world_rank, MPI_COMM_WORLD);
}
if( strncmp(s2, "hello world!", 13) ) {
fprintf(stderr, "Error in PML check: s2=\"%s\" instead of \"hello world!\".\n",
s2);
MPI_Abort(MPI_COMM_WORLD, -1);
}
}
}
if( -1 == pvar_pml_check(session, size, world_rank) ) MPI_Abort(MPI_COMM_WORLD, -1);
/* third phase: exchange size times data with everyone, including self, in
MPI_COMM_WORLD with RMA operations */
char win_buff[20];
MPI_Win win;
MPI_Win_create(win_buff, 20, sizeof(char), MPI_INFO_NULL, MPI_COMM_WORLD, &win);
for( n = 0; n < size; ++n ) {
for( i = 0; i < size; ++i ) {
MPI_Win_lock(MPI_LOCK_EXCLUSIVE, i, 0, win);
MPI_Put(s1, 13, MPI_CHAR, i, 0, 13, MPI_CHAR, win);
MPI_Win_unlock(i, win);
}
MPI_Win_lock(MPI_LOCK_EXCLUSIVE, world_rank, 0, win);
if( strncmp(win_buff, "hello world!", 13) ) {
fprintf(stderr, "Error in OSC check: win_buff=\"%s\" instead of \"hello world!\".\n",
win_buff);
MPI_Abort(MPI_COMM_WORLD, -1);
}
MPI_Win_unlock(world_rank, win);
for( i = 0; i < size; ++i ) {
MPI_Win_lock(MPI_LOCK_EXCLUSIVE, i, 0, win);
MPI_Get(s2, 13, MPI_CHAR, i, 0, 13, MPI_CHAR, win);
MPI_Win_unlock(i, win);
if( strncmp(s2, "hello world!", 13) ) {
fprintf(stderr, "Error in OSC check: s2=\"%s\" instead of \"hello world!\".\n",
s2);
MPI_Abort(MPI_COMM_WORLD, -1);
}
}
}
MPI_Win_free(&win);
if( -1 == pvar_osc_check(session, size, world_rank) ) MPI_Abort(MPI_COMM_WORLD, -1);
pvar_all_finalize(&session);
MPI_Finalize();
return EXIT_SUCCESS;
}
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