From c1b39b5a9e854cfc00af8b96f3b54f44cf643ca2 Mon Sep 17 00:00:00 2001
From: Martin Quinson <martin.quinson@loria.fr>
Date: Wed, 1 Feb 2017 10:49:46 +0100
Subject: [PATCH] optimize this vector traversal

---
 src/surf/network_smpi.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/surf/network_smpi.cpp b/src/surf/network_smpi.cpp
index a6d0c60c67..2e4d420290 100644
--- a/src/surf/network_smpi.cpp
+++ b/src/surf/network_smpi.cpp
@@ -125,7 +125,7 @@ namespace simgrid {
         smpi_bw_factor = parse_factor(xbt_cfg_get_string("smpi/bw-factor"));
 
       double current = 1.0;
-      for (auto fact: smpi_bw_factor) {
+      for (const auto& fact : smpi_bw_factor) {
         if (size <= fact.factor) {
           XBT_DEBUG("%f <= %zu return %f", size, fact.factor, current);
           return current;
-- 
2.20.1