[mpich2-commits] r7994 - mpich2/trunk/test/mpi/rma

[dinan at mcs.anl.gov]

Author: dinan
Date: 2011-02-20 19:11:41 -0600 (Sun, 20 Feb 2011)
New Revision: 7994

Added:
   mpich2/trunk/test/mpi/rma/contention-put.c
   mpich2/trunk/test/mpi/rma/contention-putget.c
Log:
Adding two new RMA tests that exercised a bug in MVAPICH 1.5-1.6rc2.



Added: mpich2/trunk/test/mpi/rma/contention-put.c
===================================================================
--- mpich2/trunk/test/mpi/rma/contention-put.c	                        (rev 0)
+++ mpich2/trunk/test/mpi/rma/contention-put.c	2011-02-21 01:11:41 UTC (rev 7994)
@@ -0,0 +1,84 @@
+/** Contended RMA put test -- James Dinan <dinan at mcs.anl.gov>
+  *
+  * Each process issues COUNT put operations to non-overlapping locations on
+  * every other processs.
+  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <mpi.h>
+
+#define MAXELEMS      6400
+#define COUNT         1000
+
+static int me, nproc;
+static const int verbose = 0;
+
+void test_put() {
+  MPI_Win  dst_win;
+  double  *dst_buf;
+  double   src_buf[MAXELEMS];
+  int      i, j;
+
+  MPI_Alloc_mem(sizeof(double)*nproc*MAXELEMS, MPI_INFO_NULL, &dst_buf);
+  MPI_Win_create(dst_buf, sizeof(double)*nproc*MAXELEMS, 1, MPI_INFO_NULL, MPI_COMM_WORLD, &dst_win);
+
+  for (i = 0; i < MAXELEMS; i++)
+    src_buf[i] = me + 1.0;
+
+  MPI_Win_lock(MPI_LOCK_EXCLUSIVE, 0, me, dst_win);
+
+  for (i = 0; i < nproc*MAXELEMS; i++)
+    dst_buf[i] = 0.0;
+
+  MPI_Win_unlock(me, dst_win);
+
+  MPI_Barrier(MPI_COMM_WORLD);
+
+  for(i = 0; i < nproc; i++) {
+    /* int target = (me + i) % nproc; */
+    int target = i;
+    for(j = 0; j < COUNT; j++) {
+      if (verbose) printf("%2d -> %2d [%2d]\n", me, target, j); 
+      MPI_Win_lock(MPI_LOCK_EXCLUSIVE, target, 0, dst_win);
+      MPI_Put(&src_buf[j], sizeof(double), MPI_BYTE, target, (me*MAXELEMS+j)*sizeof(double), sizeof(double), MPI_BYTE, dst_win);
+      MPI_Win_unlock(target, dst_win);
+    }
+  }
+
+  MPI_Barrier(MPI_COMM_WORLD);
+
+  MPI_Win_free(&dst_win);
+  MPI_Free_mem(dst_buf);
+}
+
+
+int main(int argc, char* argv[]) {
+  MPI_Init(&argc, &argv);
+  MPI_Comm_size(MPI_COMM_WORLD, &nproc);
+  MPI_Comm_rank(MPI_COMM_WORLD, &me);
+
+  assert(COUNT <= MAXELEMS);
+
+  if (me == 0 && verbose) {
+    printf("Test starting on %d processes\n", nproc); 
+    fflush(stdout);
+  }
+
+  test_put();
+
+  MPI_Barrier(MPI_COMM_WORLD);
+
+  MPI_Finalize();
+
+  if (me == 0 && verbose) {
+    printf("Test completed.\n");
+    fflush(stdout);
+  }
+
+  if (me == 0)
+    printf(" No Errors\n");
+
+  return 0;
+}

Added: mpich2/trunk/test/mpi/rma/contention-putget.c
===================================================================
--- mpich2/trunk/test/mpi/rma/contention-putget.c	                        (rev 0)
+++ mpich2/trunk/test/mpi/rma/contention-putget.c	2011-02-21 01:11:41 UTC (rev 7994)
@@ -0,0 +1,91 @@
+/** Contended RMA put/get test -- James Dinan <dinan at mcs.anl.gov>
+  *
+  * Each process issues COUNT put and get operations to non-overlapping
+  * locations on every other processs.
+  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <mpi.h>
+
+#define MAXELEMS      6400
+#define COUNT         1000
+
+static int me, nproc;
+static const int verbose = 0;
+
+void test_put() {
+  MPI_Win  dst_win;
+  double  *dst_buf;
+  double   src_buf[MAXELEMS];
+  int      i, j;
+
+  MPI_Alloc_mem(sizeof(double)*nproc*MAXELEMS, MPI_INFO_NULL, &dst_buf);
+  MPI_Win_create(dst_buf, sizeof(double)*nproc*MAXELEMS, 1, MPI_INFO_NULL, MPI_COMM_WORLD, &dst_win);
+
+  for (i = 0; i < MAXELEMS; i++)
+    src_buf[i] = me + 1.0;
+
+  MPI_Win_lock(MPI_LOCK_EXCLUSIVE, 0, me, dst_win);
+
+  for (i = 0; i < nproc*MAXELEMS; i++)
+    dst_buf[i] = 0.0;
+
+  MPI_Win_unlock(me, dst_win);
+
+  MPI_Barrier(MPI_COMM_WORLD);
+
+  for(i = 0; i < nproc; i++) {
+    int target = i;
+
+    for(j = 0; j < COUNT; j++) {
+      if (verbose) printf("%2d -> %2d [%2d]\n", me, target, j); 
+      MPI_Win_lock(MPI_LOCK_EXCLUSIVE, target, 0, dst_win);
+      MPI_Put(&src_buf[j], sizeof(double), MPI_BYTE, target, (me*MAXELEMS+j)*sizeof(double), sizeof(double), MPI_BYTE, dst_win);
+      MPI_Win_unlock(target, dst_win);
+    }
+
+    for(j = 0; j < COUNT; j++) {
+      if (verbose) printf("%2d <- %2d [%2d]\n", me, target, j); 
+      MPI_Win_lock(MPI_LOCK_EXCLUSIVE, target, 0, dst_win);
+      MPI_Get(&src_buf[j], sizeof(double), MPI_BYTE, target, (me*MAXELEMS+j)*sizeof(double), sizeof(double), MPI_BYTE, dst_win);
+      MPI_Win_unlock(target, dst_win);
+    }
+  }
+
+  MPI_Barrier(MPI_COMM_WORLD);
+
+  MPI_Win_free(&dst_win);
+  MPI_Free_mem(dst_buf);
+}
+
+
+int main(int argc, char* argv[]) {
+  MPI_Init(&argc, &argv);
+  MPI_Comm_size(MPI_COMM_WORLD, &nproc);
+  MPI_Comm_rank(MPI_COMM_WORLD, &me);
+
+  assert(COUNT <= MAXELEMS);
+
+  if (me == 0 && verbose) {
+    printf("Test starting on %d processes\n", nproc); 
+    fflush(stdout);
+  }
+
+  test_put();
+
+  MPI_Barrier(MPI_COMM_WORLD);
+
+  MPI_Finalize();
+
+  if (me == 0 && verbose) {
+    printf("Test completed.\n");
+    fflush(stdout);
+  }
+
+  if (me == 0)
+    printf(" No Errors\n");
+
+  return 0;
+}