From 0d879f0e85d99a1970bf3fd5468bffd4c3359770 Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@gmail.com>
Date: Thu, 4 Apr 2013 23:39:57 -0400
Subject: Carpet: Small performance improvement in SyncGroupsByDir

---
 Carpet/Carpet/src/Comm.cc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Carpet/Carpet')

diff --git a/Carpet/Carpet/src/Comm.cc b/Carpet/Carpet/src/Comm.cc
index 026b7a350..040ed64fe 100644
--- a/Carpet/Carpet/src/Comm.cc
+++ b/Carpet/Carpet/src/Comm.cc
@@ -41,6 +41,7 @@ namespace Carpet {
   {
     int group, retval = 0;
     vector<int> groups_set;
+    groups_set.reserve(num_groups);
 
     // individual directions aren't supported (yet?)
     if (directions != NULL) {
-- 
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