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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mt_pt2pt_common.h"
enum operation_types { TYPE_ASYNC, TYPE_SYNC };
enum probe_routines { Probe, Iprobe, Mprobe, Improbe };
/* Setup send and recv types */
#ifdef BLOCKINGSEND
#define SEND_TYPE TYPE_SYNC
#else
#define SEND_TYPE TYPE_ASYNC
#endif
#ifdef BLOCKINGRECV
#define RECV_TYPE TYPE_SYNC
#else
#define RECV_TYPE TYPE_ASYNC
#endif
/* Select a probe routine */
#ifdef PROBE
#define PROBE_ROUTINE Probe
#elif defined(IPROBE)
#define PROBE_ROUTINE Iprobe
#elif defined(MPROBE)
#define PROBE_ROUTINE Mprobe
#elif defined(IMPROBE)
#define PROBE_ROUTINE Improbe
#else
#error "No valid probe type specified"
#endif
#define PROBE_ERROR_DUMMY MPI_ERR_DIMS /* Dummy values used for the tests */
#define RECV_ERROR_DUMMY MPI_ERR_TOPOLOGY
int probetest_check_valid_data(const MPI_Message * message, MPI_Status * status, int sender_rank,
int tag);
int probetest_invoke_send(int *buff, int data_count, MPI_Datatype type, int recv_rank,
MPI_Comm comm, int tag, MPI_Request * request);
int probetest_invoke_probe(int sender_rank, int tag, MPI_Comm comm, int *recv_count,
MPI_Datatype type, MPI_Message * message, MPI_Status * status);
int probetest_check_probe_result(int id, int *buff, int send_count, int recv_count,
MPI_Message * message, MPI_Status * status, int sender_rank,
int tag);
int probetest_invoke_recv(int *buff, int recv_count, MPI_Datatype type, int sender_rank, int tag,
MPI_Comm comm, MPI_Message * message, MPI_Status * status);
int probetest_probe_n_recv(int id, int send_count, MPI_Datatype type, int sender_rank,
int *buff, MPI_Comm comm, int tag);
int test_probe_normal(int id, int iter, int count, int *buff, MPI_Comm comm, int tag, int verify);
int test_probe_huge(int id, int iter, int count, int *buff, MPI_Comm comm, int tag, int verify);
int test_probe_nullproc(int id, int iter, int count, int *buff, MPI_Comm comm, int tag, int verify);
MTEST_THREAD_RETURN_TYPE run_test(void *arg);
int probetest_check_valid_data(const MPI_Message * message, MPI_Status * status, int sender_rank,
int tag)
{
int errs = 0;
/* check message matching */
if (PROBE_ROUTINE == Mprobe || PROBE_ROUTINE == Improbe) {
if (sender_rank == MPI_PROC_NULL) {
RECORD_ERROR(*message != MPI_MESSAGE_NULL);
RECORD_ERROR(status->MPI_SOURCE != MPI_PROC_NULL);
RECORD_ERROR(status->MPI_TAG != MPI_ANY_TAG);
RECORD_ERROR(status->MPI_ERROR != RECV_ERROR_DUMMY);
} else {
RECORD_ERROR(*message != MPI_MESSAGE_NULL); /* expect null after recv */
RECORD_ERROR(status->MPI_SOURCE != sender_rank);
RECORD_ERROR(status->MPI_TAG != tag);
RECORD_ERROR(status->MPI_ERROR != RECV_ERROR_DUMMY);
}
}
return errs;
}
int probetest_invoke_send(int *buff, int data_count, MPI_Datatype type, int recv_rank,
MPI_Comm comm, int tag, MPI_Request * request)
{
if (SEND_TYPE == TYPE_SYNC)
SEND_FUN(buff, data_count, type, recv_rank, tag, comm);
else
ISEND_FUN(buff, data_count, type, recv_rank, tag, comm, request);
return 0;
}
int probetest_invoke_probe(int sender_rank, int tag, MPI_Comm comm, int *recv_count,
MPI_Datatype type, MPI_Message * message, MPI_Status * status)
{
int errs = 0;
int flag = 0;
switch (PROBE_ROUTINE) {
case Probe:
MPI_Probe(sender_rank, tag, comm, status);
break;
case Iprobe:
while (!flag) {
MPI_Iprobe(sender_rank, tag, comm, &flag, status);
}
break;
case Mprobe:
MPI_Mprobe(sender_rank, tag, comm, message, status);
break;
case Improbe:
while (!flag) {
RECORD_ERROR(*message != MPI_MESSAGE_NULL);
MPI_Improbe(sender_rank, tag, comm, &flag, message, status);
}
break;
default:
fprintf(stderr, "Probe type not defined \n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
/* Find data count */
MPI_Get_count(status, type, recv_count);
return errs;
}
int probetest_check_probe_result(int id, int *buff, int send_count, int recv_count,
MPI_Message * message, MPI_Status * status, int sender_rank,
int tag)
{
int errs = 0;
if (sender_rank == MPI_PROC_NULL) {
RECORD_ERROR(recv_count != 0); /* expect count 0 for NULL_PROC */
RECORD_ERROR(status->MPI_SOURCE != MPI_PROC_NULL);
RECORD_ERROR(status->MPI_TAG != MPI_ANY_TAG);
RECORD_ERROR(*message != MPI_MESSAGE_NULL);
} else {
RECORD_ERROR(recv_count != send_count);
RECORD_ERROR(status->MPI_SOURCE != sender_rank);
RECORD_ERROR(status->MPI_TAG != tag);
}
if (PROBE_ROUTINE == Mprobe || PROBE_ROUTINE == Improbe)
RECORD_ERROR(*message == MPI_MESSAGE_NULL);
RECORD_ERROR(status->MPI_ERROR != PROBE_ERROR_DUMMY);
return errs;
}
int probetest_invoke_recv(int *buff, int recv_count, MPI_Datatype type, int sender_rank, int tag,
MPI_Comm comm, MPI_Message * message, MPI_Status * status)
{
if (PROBE_ROUTINE == Probe || PROBE_ROUTINE == Iprobe) {
if (RECV_TYPE == TYPE_SYNC) {
MPI_Recv(buff, recv_count, type, sender_rank, tag, comm, MPI_STATUS_IGNORE);
} else {
MPI_Request request;
MPI_Irecv(buff, recv_count, type, sender_rank, tag, comm, &request);
MPI_Wait(&request, status);
}
} else { /* for Mprobe or Improbe */
if (RECV_TYPE == TYPE_SYNC) {
MPI_Mrecv(buff, recv_count, type, message, status);
} else {
MPI_Request request;
MPI_Imrecv(buff, recv_count, type, message, &request);
MPI_Wait(&request, status);
}
}
return 0;
}
int probetest_probe_n_recv(int id, int send_count, MPI_Datatype type, int sender_rank,
int *buff, MPI_Comm comm, int tag)
{
int errs = 0;
/* initialize data before recv */
int recv_count = -1;
MPI_Message message = MPI_MESSAGE_NULL;
MPI_Status status, status2;
status.MPI_ERROR = PROBE_ERROR_DUMMY;
status2.MPI_ERROR = RECV_ERROR_DUMMY;
/* call a probe routine */
errs += probetest_invoke_probe(sender_rank, tag, comm, &recv_count, type, &message, &status);
/* call a recv routine */
errs +=
probetest_invoke_recv(buff, recv_count, type, sender_rank, tag, comm, &message, &status2);
/* check received results */
errs += probetest_check_valid_data(&message, &status2, sender_rank, tag);
return errs;
}
int test_probe_normal(int id, int iter, int count, int *buff, MPI_Comm comm, int tag, int verify)
{
int errs = 0, i, rank;
MPI_Datatype type = MPI_INT;
MPI_Comm_rank(comm, &rank);
/* Make sure all threads have launched */
MTest_thread_barrier(NTHREADS);
if (rank == 0) { /* sender */
MPI_Request *requests = malloc(sizeof(MPI_Request) * iter);
for (i = 0; i < iter; i++) {
buff[i] = SETVAL(i, id);
errs = probetest_invoke_send(&buff[i], 1, type, 1, comm, tag, &requests[i]);
}
if (SEND_TYPE == TYPE_ASYNC)
MPI_Waitall(iter, requests, MPI_STATUSES_IGNORE);
free(requests);
} else { /* receiver */
/* Run tests multiple times */
for (i = 0; i < iter; i++) {
/* Use sender rank 0 and buffer buff[i] */
buff[i] = -1;
errs += probetest_probe_n_recv(id, 1, type, 0 /* sender */ , &buff[i], comm, tag);
if (verify && buff[i] != SETVAL(i, id)) {
errs++;
if (errs <= DATA_WARN_THRESHOLD)
fprintf(stderr, "thread %d: Expected %d but got %d\n", id, SETVAL(i, id),
buff[i]);
}
}
if (errs > 0)
fprintf(stderr, "thread %d: %d errors found in received data\n", id, errs);
}
return errs;
}
int test_probe_huge(int id, int iter, int count, int *buff, MPI_Comm comm, int tag, int verify)
{
int errs = 0, rank;
MPI_Datatype type = MPI_INT;
MPI_Comm_rank(comm, &rank);
/* Make sure all threads have launched */
MTest_thread_barrier(NTHREADS);
if (rank == 0) { /* sender */
MPI_Request request;
for (int i = 0; i < count; i++)
buff[i] = SETVAL(i, id);
for (int i = 0; i < iter; i++) {
errs = probetest_invoke_send(buff, count, type, 1, comm, tag, &request);
/* complete a request before starting another since buff is common across them */
if (SEND_TYPE == TYPE_ASYNC)
MPI_Wait(&request, MPI_STATUS_IGNORE);
}
} else { /* receiver */
/* Run tests multiple times */
for (int i = 0; i < iter; i++) {
for (int j = 0; j < count; j++)
buff[j] = -1;
errs += probetest_probe_n_recv(id, count, type, 0 /* sender_rank */ , buff, comm,
tag);
if (verify) {
for (int j = 0; j < count; j++) {
if (buff[j] != SETVAL(j, id)) {
errs++;
if (errs <= DATA_WARN_THRESHOLD)
fprintf(stderr, "thread %d: Expected %d but got %d\n", id,
SETVAL(j, id), buff[j]);
}
}
}
}
}
fn_exit:
return errs;
}
int test_probe_nullproc(int id, int iter, int count, int *buff, MPI_Comm comm, int tag, int verify)
{
int errs = 0, i, rank;
MPI_Datatype type = MPI_INT;
MPI_Comm_rank(comm, &rank);
/* Make sure all threads have launched */
MTest_thread_barrier(NTHREADS);
int sender_rank = MPI_PROC_NULL;
/* All ranks recv only */
for (i = 0; i < iter; i++) {
errs = probetest_probe_n_recv(id, count, type, sender_rank, buff, comm, tag);
}
fn_exit:
return errs;
}
MTEST_THREAD_RETURN_TYPE run_test(void *arg)
{
struct thread_param *p = (struct thread_param *) arg;
/* Probe tests */
#if defined(HUGE_COUNT)
p->result = test_probe_huge(p->id, p->iter, p->count, p->buff, p->comm, p->tag, p->verify);
#else
MTestPrintfMsg(2, "Testing probe_normal\n");
p->result = test_probe_normal(p->id, p->iter, p->count, p->buff, p->comm, p->tag, p->verify);
/* Barrier across threads. */
MTest_thread_barrier(NTHREADS);
if (p->id == 0) {
MPI_Barrier(p->comm);
}
MTest_thread_barrier(NTHREADS);
MTestPrintfMsg(2, "Testing probe_nullproc\n");
p->result += test_probe_nullproc(p->id, p->iter, p->count, p->buff, p->comm, p->tag, p->verify);
#endif
return (MTEST_THREAD_RETURN_TYPE) NULL;
}
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