[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.1-136-gcc50ed5

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      from  1a6b652432cc85a976eeaaf011d13fe7dcf302a3 (commit)

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http://git.mpich.org/mpich.git/commitdiff/cc50ed51a98bf1bf5e572bf32ac11f6d173bf701

commit cc50ed51a98bf1bf5e572bf32ac11f6d173bf701
Author: Paul Coffman <pkcoff at us.ibm.com>
Date:   Tue Apr 1 06:27:14 2014 -0500

    Balance-contig fix: wrong initial index
    
    in the final sort on the bridgelist,  was starting an index at -1
    instead of 0, resulting in typically bizzare (occaional) memory errors.
    
    Signed-off-by: Rob Latham <robl at mcs.anl.gov>

diff --git a/src/mpi/romio/adio/ad_gpfs/bg/ad_bg_aggrs.c b/src/mpi/romio/adio/ad_gpfs/bg/ad_bg_aggrs.c
index 5c9c9bc..0812b78 100644
--- a/src/mpi/romio/adio/ad_gpfs/bg/ad_bg_aggrs.c
+++ b/src/mpi/romio/adio/ad_gpfs/bg/ad_bg_aggrs.c
@@ -418,7 +418,7 @@ ADIOI_BG_compute_agg_ranklist_serial ( ADIO_File fd,
 	// for each ion make sure bridgelist is in rank order
 	int startSortIndex = -1;
 	int endSortIndex = -1;
-	int currentBridgeIndex = -1;
+	int currentBridgeIndex = 0;
 
 	while (endSortIndex < numbridges) {
 	    int currentIonId = summaryranklistionids[currentBridgeIndex];

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

Summary of changes:
 src/mpi/romio/adio/ad_gpfs/bg/ad_bg_aggrs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)


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