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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
* (C) 2015 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mpi.h"
#include "mpitest.h"
#define ITERS 5
int main(int argc, char **argv)
{
int errs = 0;
int i, isleft;
MPI_Comm test_comm, new_comm[ITERS];
int in[ITERS], out[ITERS], sol;
int rank, size, rsize, rrank;
MPI_Request sreq[ITERS * 2];
int root;
MTest_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
if (size < 2) {
printf("this test requires at least 2 processes\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
while (MTestGetIntracommGeneral(&test_comm, 1, 1)) {
if (test_comm == MPI_COMM_NULL)
continue;
MPI_Comm_size(test_comm, &size);
MPI_Comm_rank(test_comm, &rank);
/* Ibarrier */
for (i = 0; i < ITERS; i++) {
MPI_Ibarrier(test_comm, &sreq[i]);
MPI_Comm_idup(test_comm, &new_comm[i], &sreq[i + ITERS]);
}
MPI_Waitall(ITERS * 2, sreq, MPI_STATUS_IGNORE);
for (i = 0; i < ITERS; i++) {
errs += MTestTestComm(new_comm[i]);
MPI_Comm_free(&new_comm[i]);
}
/*Ibcast */
for (i = 0; i < ITERS; i++) {
if (rank == 0)
in[i] = 815;
else
in[i] = 10;
MPI_Ibcast(&in[i], 1, MPI_INT, 0, test_comm, &sreq[i]);
MPI_Comm_idup(test_comm, &new_comm[i], &sreq[i + ITERS]);
}
sol = 815;
MPI_Waitall(ITERS * 2, sreq, MPI_STATUS_IGNORE);
for (i = 0; i < ITERS; i++) {
if (in[i] != sol)
errs++;
errs += MTestTestComm(new_comm[i]);
MPI_Comm_free(&new_comm[i]);
}
/* Iallreduce */
for (i = 0; i < ITERS; i++) {
in[i] = 1;
MPI_Iallreduce(&in[i], &out[i], 1, MPI_INT, MPI_SUM, test_comm, &sreq[i]);
MPI_Comm_idup(test_comm, &new_comm[i], &sreq[i + ITERS]);
}
sol = size;
MPI_Waitall(ITERS * 2, sreq, MPI_STATUS_IGNORE);
for (i = 0; i < ITERS; i++) {
if (out[i] != sol)
errs++;
errs += MTestTestComm(new_comm[i]);
MPI_Comm_free(&new_comm[i]);
}
/* Isann */
for (i = 0; i < ITERS; i++) {
MPI_Iscan(&rank, &out[i], 1, MPI_INT, MPI_SUM, test_comm, &sreq[i]);
MPI_Comm_idup(test_comm, &new_comm[i], &sreq[i + ITERS]);
}
sol = rank * (rank + 1) / 2;
MPI_Waitall(ITERS * 2, sreq, MPI_STATUS_IGNORE);
for (i = 0; i < ITERS; i++) {
if (out[i] != sol)
errs++;
errs += MTestTestComm(new_comm[i]);
MPI_Comm_free(&new_comm[i]);
}
/*Ibcast */
for (i = 0; i < ITERS; i++) {
if (rank == 0)
in[i] = 815;
else
in[i] = 10;
MPI_Ibcast(&in[i], 1, MPI_INT, 0, test_comm, &sreq[i]);
MPI_Comm_idup(test_comm, &new_comm[i], &sreq[i + ITERS]);
}
MPI_Waitall(ITERS * 2, sreq, MPI_STATUS_IGNORE);
sol = 815;
for (i = 0; i < ITERS; i++) {
if (in[i] != sol)
errs++;
errs += MTestTestComm(new_comm[i]);
MPI_Comm_free(&new_comm[i]);
}
MTestFreeComm(&test_comm);
}
/* Now the test for inter-communicators */
while (MTestGetIntercomm(&test_comm, &isleft, 1)) {
if (test_comm == MPI_COMM_NULL)
continue;
MPI_Comm_size(test_comm, &size);
MPI_Comm_rank(test_comm, &rank);
MPI_Comm_remote_size(test_comm, &rsize);
/* Ibarrier */
for (i = 0; i < ITERS; i++) {
MPI_Ibarrier(test_comm, &sreq[i]);
MPI_Comm_idup(test_comm, &new_comm[i], &sreq[i + ITERS]);
}
MPI_Waitall(ITERS * 2, sreq, MPI_STATUS_IGNORE);
for (i = 0; i < ITERS; i++) {
errs += MTestTestComm(new_comm[i]);
MPI_Comm_free(&new_comm[i]);
}
/*Ibcast */
for (i = 0; i < ITERS; i++) {
if (isleft) {
if (rank == 0) {
root = MPI_ROOT;
in[i] = 815;
} else {
root = MPI_PROC_NULL;
in[i] = 815; /* not needed, just to make correctness checking easier */
}
} else {
root = 0;
in[i] = 213; /* garbage value */
}
MPI_Ibcast(&in[i], 1, MPI_INT, root, test_comm, &sreq[i]);
MPI_Comm_idup(test_comm, &new_comm[i], &sreq[i + ITERS]);
}
sol = 815;
MPI_Waitall(ITERS * 2, sreq, MPI_STATUS_IGNORE);
for (i = 0; i < ITERS; i++) {
if (in[i] != sol)
errs++;
errs += MTestTestComm(new_comm[i]);
MPI_Comm_free(&new_comm[i]);
}
/* Iallreduce */
for (i = 0; i < ITERS; i++) {
in[i] = 1;
MPI_Iallreduce(&in[i], &out[i], 1, MPI_INT, MPI_SUM, test_comm, &sreq[i]);
MPI_Comm_idup(test_comm, &new_comm[i], &sreq[i + ITERS]);
}
sol = rsize;
MPI_Waitall(ITERS * 2, sreq, MPI_STATUS_IGNORE);
for (i = 0; i < ITERS; i++) {
if (out[i] != sol)
errs++;
errs += MTestTestComm(new_comm[i]);
MPI_Comm_free(&new_comm[i]);
}
MTestFreeComm(&test_comm);
}
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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