[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.1-139-ga80bf84

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- Log -----------------------------------------------------------------
http://git.mpich.org/mpich.git/commitdiff/a80bf84aecfc6c6152474623d418b2a3cb71fd53

commit a80bf84aecfc6c6152474623d418b2a3cb71fd53
Author: James Dinan <james.dinan at intel.com>
Date:   Mon Mar 3 14:06:02 2014 -0500

    Add RMA accumulate test with min/maxloc operator
    
    Add a test to check for correct behavior of MPI_Accumulate operations
    with the MPI_MINLOC and MPI_MAXLOC operations.
    
    Signed-off-by: Xin Zhao <xinzhao3 at illinois.edu>

diff --git a/test/mpi/rma/Makefile.am b/test/mpi/rma/Makefile.am
index 87b506c..61fb401 100644
--- a/test/mpi/rma/Makefile.am
+++ b/test/mpi/rma/Makefile.am
@@ -121,7 +121,8 @@ noinst_PROGRAMS =          \
     mutex_bench_shm        \
     rma-contig             \
     badrma                 \
-    nb_test
+    nb_test                \
+    acc-loc
 
 strided_acc_indexed_LDADD       = $(LDADD) -lm
 strided_acc_onelock_LDADD       = $(LDADD) -lm
diff --git a/test/mpi/rma/acc-loc.c b/test/mpi/rma/acc-loc.c
new file mode 100644
index 0000000..18c3e3a
--- /dev/null
+++ b/test/mpi/rma/acc-loc.c
@@ -0,0 +1,147 @@
+/*
+ *  (C) 2006 by Argonne National Laboratory.
+ *      See COPYRIGHT in top-level directory.
+ *
+ *  Portions of this code were written by Intel Corporation.
+ *  Copyright (C) 2011-2012 Intel Corporation.  Intel provides this material
+ *  to Argonne National Laboratory subject to Software Grant and Corporate
+ *  Contributor License Agreement dated February 8, 2012.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <mpi.h>
+#include "mpitest.h"
+
+typedef struct {
+    int val;
+    int loc;
+} twoint_t;
+
+static int errors = 0;
+
+int main(int argc, char **argv) {
+    int me, nproc;
+    twoint_t *data = NULL;
+    twoint_t mine;
+    MPI_Win win;
+
+    MTest_Init(&argc, &argv);
+
+    MPI_Comm_rank(MPI_COMM_WORLD, &me);
+    MPI_Comm_size(MPI_COMM_WORLD, &nproc);
+
+    if (me == 0) {
+        MPI_Alloc_mem(sizeof(twoint_t), MPI_INFO_NULL, &data);
+    }
+
+    MPI_Win_create(data, me == 0 ? sizeof(twoint_t) : 0, 1, MPI_INFO_NULL, MPI_COMM_WORLD, &win);
+    MPI_Win_fence(MPI_MODE_NOPRECEDE, win);
+
+    /* All processes perform MAXLOC and MINLOC operations on a 2INT on rank 0.
+     * The loc is the origin process' rank, and the value is (nproc-me).  In
+     * the case of MAXLOC, rank 0 should win and in the case of MINLOC, rank
+     * nproc-1 should win.
+     */
+
+    /** Test MAXLOC **/
+
+    if (me == 0) {
+        data->val = 0;
+        data->loc = -1;
+    }
+    MPI_Win_fence(0, win);
+
+    mine.loc = me;
+    mine.val = nproc - me;
+    MPI_Accumulate(&mine, 1, MPI_2INT, 0, 0, 1, MPI_2INT, MPI_MAXLOC, win);
+    MPI_Win_fence(0, win);
+
+    if (me == 0 && (data->loc != 0 || data->val != nproc)) {
+        errors++;
+        printf("Expected: { loc = %d, val = %d }  Actual: { loc = %d, val = %d }\n",
+               0, nproc, data->loc, data->val);
+    }
+
+    /** Test MINLOC **/
+
+    if (me == 0) {
+        data->val = nproc;
+        data->loc = -1;
+    }
+    MPI_Win_fence(0, win);
+
+    mine.loc = me;
+    mine.val = nproc - me;
+    MPI_Accumulate(&mine, 1, MPI_2INT, 0, 0, 1, MPI_2INT, MPI_MINLOC, win);
+    MPI_Win_fence(0, win);
+
+    if (me == 0 && (data->loc != nproc-1 || data->val != 1)) {
+        errors++;
+        printf("Expected: { loc = %d, val = %d }  Actual: { loc = %d, val = %d }\n",
+               nproc-1, 1, data->loc, data->val);
+    }
+
+    /* All processes perform MAXLOC and MINLOC operations on a 2INT on rank 0.
+     * The loc is the origin process' rank, and the value is 1.  In both cases,
+     * rank 0 should win because the values are equal and it has the lowest
+     * loc.
+     */
+
+    /** Test MAXLOC **/
+
+    if (me == 0) {
+        data->val = 0;
+        data->loc = -1;
+    }
+    MPI_Win_fence(MPI_MODE_NOSUCCEED, win);
+
+    mine.loc = me;
+    mine.val = 1;
+
+    MPI_Win_lock(MPI_LOCK_SHARED, 0, MPI_MODE_NOCHECK, win);
+    MPI_Accumulate(&mine, 1, MPI_2INT, 0, 0, 1, MPI_2INT, MPI_MAXLOC, win);
+    MPI_Win_unlock(0, win);
+
+    MPI_Barrier(MPI_COMM_WORLD);
+
+    if (me == 0 && (data->loc != 0 || data->val != 1)) {
+        errors++;
+        printf("Expected: { loc = %d, val = %d }  Actual: { loc = %d, val = %d }\n",
+               0, 1, data->loc, data->val);
+    }
+    MPI_Win_fence(MPI_MODE_NOPRECEDE, win);
+
+    /** Test MINLOC **/
+
+    if (me == 0) {
+        data->val = nproc;
+        data->loc = -1;
+    }
+    MPI_Win_fence(MPI_MODE_NOSUCCEED, win);
+
+    mine.loc = me;
+    mine.val = 1;
+
+    MPI_Win_lock(MPI_LOCK_SHARED, 0, MPI_MODE_NOCHECK, win);
+    MPI_Accumulate(&mine, 1, MPI_2INT, 0, 0, 1, MPI_2INT, MPI_MINLOC, win);
+    MPI_Win_unlock(0, win);
+
+    MPI_Barrier(MPI_COMM_WORLD);
+
+    if (me == 0 && (data->loc != 0 || data->val != 1)) {
+        errors++;
+        printf("Expected: { loc = %d, val = %d }  Actual: { loc = %d, val = %d }\n",
+               0, 1, data->loc, data->val);
+    }
+
+    MPI_Win_free(&win);
+
+    if (me == 0) {
+        MPI_Free_mem(data);
+    }
+
+    MTest_Finalize(errors);
+    MPI_Finalize();
+    return 0;
+}
diff --git a/test/mpi/rma/testlist.in b/test/mpi/rma/testlist.in
index f30f568..847689c 100644
--- a/test/mpi/rma/testlist.in
+++ b/test/mpi/rma/testlist.in
@@ -106,6 +106,7 @@ mutex_bench_shared 4 mpiversion=3.0
 mutex_bench_shm 4 mpiversion=3.0
 rma-contig 2 mpiversion=3.0 timeLimit=600
 badrma 2 mpiversion=3.0
+acc-loc 4
 
 ## This test is not strictly correct.  This was meant to test out the
 ## case when MPI_Test is not nonblocking.  However, we ended up

-----------------------------------------------------------------------

Summary of changes:
 test/mpi/rma/Makefile.am |    3 +-
 test/mpi/rma/acc-loc.c   |  147 ++++++++++++++++++++++++++++++++++++++++++++++
 test/mpi/rma/testlist.in |    1 +
 3 files changed, 150 insertions(+), 1 deletions(-)
 create mode 100644 test/mpi/rma/acc-loc.c


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