--- /dev/null
+/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
+/*
+ * (C) 2001 by Argonne National Laboratory.
+ * See COPYRIGHT in top-level directory.
+ */
+#include "mpi.h"
+#include "stdio.h"
+#include "stdlib.h"
+#include "mpitest.h"
+#include "squelch.h"
+
+/* tests passive target RMA on 2 processes. tests the lock-single_op-unlock
+ optimization. */
+
+/* same as test4.c but uses alloc_mem */
+
+#define SIZE1 100
+#define SIZE2 200
+
+int main(int argc, char *argv[])
+{
+ int rank, nprocs, *A, *B, i;
+ MPI_Comm CommDeuce;
+ MPI_Win win;
+ int errs = 0;
+
+ MTest_Init(&argc,&argv);
+ MPI_Comm_size(MPI_COMM_WORLD,&nprocs);
+ MPI_Comm_rank(MPI_COMM_WORLD,&rank);
+
+ if (nprocs < 2) {
+ printf("Run this program with 2 or more processes\n");
+ MPI_Abort(MPI_COMM_WORLD, 1);
+ }
+
+ MPI_Comm_split(MPI_COMM_WORLD, (rank < 2), rank, &CommDeuce);
+
+ if (rank < 2) {
+ i = MPI_Alloc_mem(SIZE2 * sizeof(int), MPI_INFO_NULL, &A);
+ if (i) {
+ printf("Can't allocate memory in test program\n");
+ MPI_Abort(MPI_COMM_WORLD, 1);
+ }
+ i = MPI_Alloc_mem(SIZE2 * sizeof(int), MPI_INFO_NULL, &B);
+ if (i) {
+ printf("Can't allocate memory in test program\n");
+ MPI_Abort(MPI_COMM_WORLD, 1);
+ }
+
+ if (rank == 0) {
+ for (i=0; i<SIZE2; i++) A[i] = B[i] = i;
+ MPI_Win_create(NULL, 0, 1, MPI_INFO_NULL, CommDeuce, &win);
+
+ for (i=0; i<SIZE1; i++) {
+ MPI_Win_lock(MPI_LOCK_SHARED, 1, 0, win);
+ MPI_Put(A+i, 1, MPI_INT, 1, i, 1, MPI_INT, win);
+ MPI_Win_unlock(1, win);
+ }
+
+ for (i=0; i<SIZE1; i++) {
+ MPI_Win_lock(MPI_LOCK_SHARED, 1, 0, win);
+ MPI_Get(B+i, 1, MPI_INT, 1, SIZE1+i, 1, MPI_INT, win);
+ MPI_Win_unlock(1, win);
+ }
+
+ MPI_Win_free(&win);
+
+ for (i=0; i<SIZE1; i++)
+ if (B[i] != (-4)*(i+SIZE1)) {
+ SQUELCH( printf("Get Error: B[%d] is %d, should be %d\n", i, B[i], (-4)*(i+SIZE1)); );
+ errs++;
+ }
+ }
+ else { /* rank=1 */
+ for (i=0; i<SIZE2; i++) B[i] = (-4)*i;
+ MPI_Win_create(B, SIZE2*sizeof(int), sizeof(int), MPI_INFO_NULL, CommDeuce, &win);
+
+ MPI_Win_free(&win);
+
+ for (i=0; i<SIZE1; i++) {
+ if (B[i] != i) {
+ SQUELCH( printf("Put Error: B[%d] is %d, should be %d\n", i, B[i], i); );
+ errs++;
+ }
+ }
+ }
+
+ MPI_Free_mem(A);
+ MPI_Free_mem(B);
+ }
+ MPI_Comm_free(&CommDeuce);
+ MTest_Finalize(errs);
+ MPI_Finalize();
+ return 0;
+}