[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.2-41-g19db8d8

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      from  f91f92e228bd0dee356473bd7c77ada22d6f9149 (commit)

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- Log -----------------------------------------------------------------
http://git.mpich.org/mpich.git/commitdiff/19db8d89776c5e8546fda53406fc5fe564b7f4a3

commit 19db8d89776c5e8546fda53406fc5fe564b7f4a3
Author: Jeff Hammond <jeff.science at gmail.com>
Date:   Fri Jan 1 11:23:17 2016 -0800

    test/mpi/coll: abort gather_big if np<ROOT+1
    
    This test is designed to run on 8+ processes and sets ROOT=7. However,
    it does not test to see if np>7, which means that it fails with an
    invalid root error when run on e.g. np=2.
    
    Signed-off-by: Ken Raffenetti <raffenet at mcs.anl.gov>

diff --git a/test/mpi/coll/gather_big.c b/test/mpi/coll/gather_big.c
index e649192..ce37c95 100644
--- a/test/mpi/coll/gather_big.c
+++ b/test/mpi/coll/gather_big.c
@@ -31,6 +31,11 @@ int main(int argc, char *argv[])
     MPI_Comm_rank(MPI_COMM_WORLD, &rank);
     MPI_Comm_size(MPI_COMM_WORLD, &size);
 
+    if (size < (ROOT+1)) {
+        fprintf(stderr, "At least %d processes required\n", ROOT+1);
+        MPI_Abort(MPI_COMM_WORLD, 1);
+    }
+
     sendbuf = malloc(COUNT * sizeof(long));
     if (sendbuf == NULL) {
         fprintf(stderr, "PE %d:ERROR: malloc of sendbuf failed\n", rank);

http://git.mpich.org/mpich.git/commitdiff/7d7438750b249fb79f3190e586193815da1b667b

commit 7d7438750b249fb79f3190e586193815da1b667b
Author: Jeff Hammond <jeff.science at gmail.com>
Date:   Fri Jan 1 11:49:06 2016 -0800

    test/mpi/rma: abort allgatherv4 if np<3.
    
    Test will segfault (divide by zero) without sufficient number of procs.
    
    Signed-off-by: Ken Raffenetti <raffenet at mcs.anl.gov>

diff --git a/test/mpi/coll/allgatherv4.c b/test/mpi/coll/allgatherv4.c
index b1e1c5a..1105407 100644
--- a/test/mpi/coll/allgatherv4.c
+++ b/test/mpi/coll/allgatherv4.c
@@ -53,6 +53,11 @@ int main(int argc, char **argv)
     MPI_Comm_size(MPI_COMM_WORLD, &comm_size);
     MPI_Comm_rank(MPI_COMM_WORLD, &comm_rank);
 
+    if (comm_size < 3) {
+        fprintf(stderr, "At least 3 processes required\n");
+        MPI_Abort(MPI_COMM_WORLD, 1);
+    }
+
     if (LARGE_BUF * comm_size > MAX_BUF)
         goto fn_exit;
 

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

Summary of changes:
 test/mpi/coll/allgatherv4.c |    5 +++++
 test/mpi/coll/gather_big.c  |    5 +++++
 2 files changed, 10 insertions(+), 0 deletions(-)


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