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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mt_pt2pt_common.h"
int test_sendrecv(int id, int iter, int *buff, MPI_Comm comm, int tag, int verify);
int test_sendrecv_huge(int id, int iter, int count, int *buff, MPI_Comm comm, int tag, int verify);
int test_isendirecv(int id, int iter, int *buff, MPI_Comm comm, int tag, int verify);
int test_isendirecv_huge(int id, int iter, int count, int *buff, MPI_Comm comm, int tag,
int verify);
MTEST_THREAD_RETURN_TYPE run_test(void *arg);
int test_sendrecv(int id, int iter, 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) {
for (i = 0; i < iter; i++) {
buff[i] = SETVAL(i, id);
SEND_FUN(&buff[i], 1, type, 1, tag, comm);
}
} else if (rank == 1) {
for (i = 0; i < iter; i++) {
buff[i] = -1;
MPI_Recv(&buff[i], 1, type, 0, tag, comm, MPI_STATUS_IGNORE);
if (!verify)
continue;
if (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);
}
fn_exit:
return errs;
}
int test_sendrecv_huge(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) {
for (i = 0; i < count; i++)
buff[i] = SETVAL(i, id);
for (i = 0; i < iter; i++)
SEND_FUN(buff, count, type, 1, tag, comm);
} else if (rank == 1) {
for (i = 0; i < iter; i++) {
int j;
for (j = 0; j < count; j++)
buff[j] = -1;
MPI_Recv(buff, count, type, 0, tag, comm, MPI_STATUS_IGNORE);
if (!verify)
continue;
for (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]);
}
}
}
if (errs > 0)
fprintf(stderr, "thread %d: %d errors found in received data\n", id, errs);
}
fn_exit:
return errs;
}
int test_isendirecv(int id, int iter, int *buff, MPI_Comm comm, int tag, int verify)
{
int errs = 0, i, rank;
MPI_Request *reqs = malloc(sizeof(MPI_Request) * iter);
MPI_Datatype type = MPI_INT;
MPI_Comm_rank(comm, &rank);
/* Make sure all threads have launched */
MTest_thread_barrier(NTHREADS);
if (rank == 0) {
for (i = 0; i < iter; i++) {
buff[i] = SETVAL(i, id);
ISEND_FUN(&buff[i], 1, type, 1, tag, comm, &reqs[i]);
}
/* MPI_Waitall() could be called from one leader thread instead,
* but by doing this we can stress MPI_Waitall from multiple threads. */
MPI_Waitall(iter, reqs, MPI_STATUSES_IGNORE);
} else if (rank == 1) {
for (i = 0; i < iter; i++) {
buff[i] = -1;
MPI_Irecv(&buff[i], 1, type, 0, tag, comm, &reqs[i]);
}
MPI_Waitall(iter, reqs, MPI_STATUSES_IGNORE);
if (verify) {
for (i = 0; i < iter; i++) {
if (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);
}
fn_exit:
free(reqs);
return errs;
}
int test_isendirecv_huge(int id, int iter, int count, int *buff, MPI_Comm comm, int tag, int verify)
{
int errs = 0, i, j, rank;
MPI_Request req;
MPI_Datatype type = MPI_INT;
MPI_Comm_rank(comm, &rank);
if (rank == 0) {
for (i = 0; i < count; i++)
buff[i] = SETVAL(i, id);
}
/* Make sure all threads have launched */
MTest_thread_barrier(NTHREADS);
if (rank == 0) {
for (i = 0; i < iter; i++) {
for (j = 0; j < count; j++)
buff[i] = SETVAL(i, id);
ISEND_FUN(buff, count, type, 1, tag, comm, &req);
MPI_Wait(&req, MPI_STATUS_IGNORE);
}
} else if (rank == 1) {
for (i = 0; i < iter; i++) {
/* reset recv buffer before every recv. */
for (j = 0; j < count; j++)
buff[j] = -1;
MPI_Irecv(buff, count, type, 0, tag, comm, &req);
MPI_Wait(&req, MPI_STATUS_IGNORE);
if (!verify)
continue;
for (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]);
}
}
}
if (errs > 0)
fprintf(stderr, "thread %d: %d errors found in received data\n", id, errs);
}
fn_exit:
return errs;
}
MTEST_THREAD_RETURN_TYPE run_test(void *arg)
{
struct thread_param *p = (struct thread_param *) arg;
/* Send recv tests */
#ifdef NONBLOCKING
#if defined(HUGE_COUNT)
p->result = test_isendirecv_huge(p->id, p->iter, p->count, p->buff, p->comm, p->tag, p->verify);
#else
p->result = test_isendirecv(p->id, p->iter, p->buff, p->comm, p->tag, p->verify);
#endif
#else /* #ifdef NONBLOCKING */
#if defined(HUGE_COUNT)
p->result = test_sendrecv_huge(p->id, p->iter, p->count, p->buff, p->comm, p->tag, p->verify);
#else
p->result = test_sendrecv(p->id, p->iter, p->buff, p->comm, p->tag, p->verify);
#endif
#endif /* #ifdef NONBLOCKING */
return (MTEST_THREAD_RETURN_TYPE) NULL;
}
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