[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.2-380-gd8bb1df

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http://git.mpich.org/mpich.git/commitdiff/d8bb1dffe13bacaaac0932d3762e62a599d4721c

commit d8bb1dffe13bacaaac0932d3762e62a599d4721c
Author: Yanfei Guo <yguo at anl.gov>
Date:   Mon Aug 15 13:07:55 2016 -0600

    fix odd even cliques for nodemap

diff --git a/src/util/nodemap/build_nodemap.h b/src/util/nodemap/build_nodemap.h
index 1c0dd82..e6c24c4 100644
--- a/src/util/nodemap/build_nodemap.h
+++ b/src/util/nodemap/build_nodemap.h
@@ -246,6 +246,7 @@ static inline int MPIR_NODEMAP_populate_ids_from_mapping(char *mapping,
     int block, block_node, node_proc;
     int i;
     int found_wrap;
+    int local_max_node_id = -1;
 
     *did_map = 1; /* reset upon failure */
 
@@ -287,10 +288,11 @@ static inline int MPIR_NODEMAP_populate_ids_from_mapping(char *mapping,
 
  break_out:
     /* identify maximum node id */
-    *max_node_id = -1;
     for (i = 0; i < sz; i++)
-        if (out_nodemap[i] + 1 > *max_node_id)
-            *max_node_id = out_nodemap[i];
+        if (out_nodemap[i] + 1 > local_max_node_id)
+            local_max_node_id = out_nodemap[i];
+
+    *max_node_id = local_max_node_id;
 
 fn_exit:
     MPL_free(mb);

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

Summary of changes:
 src/util/nodemap/build_nodemap.h |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)


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