From: Arnaud Giersch <arnaud.giersch@univ-fcomte.fr>
Date: Sun, 24 Nov 2019 21:23:30 +0000 (+0100)
Subject: A single lookup is enough.
X-Git-Tag: v3.25~364
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/5204e2a3a7244dad63422558bfbba807eef5fdb0

A single lookup is enough.
---

diff --git a/src/smpi/colls/smpi_coll.cpp b/src/smpi/colls/smpi_coll.cpp
index 827d06d615..b05003dc45 100644
--- a/src/smpi/colls/smpi_coll.cpp
+++ b/src/smpi/colls/smpi_coll.cpp
@@ -236,9 +236,10 @@ std::map<std::string, std::vector<s_mpi_coll_description_t>> smpi_coll_descripti
 // Needed by the automatic selector weird implementation
 std::vector<s_mpi_coll_description_t>* colls::get_smpi_coll_descriptions(const std::string& name)
 {
-  if (smpi_coll_descriptions.find(name) == smpi_coll_descriptions.end())
+  auto iter = smpi_coll_descriptions.find(name);
+  if (iter == smpi_coll_descriptions.end())
     xbt_die("No collective named %s. This is a bug.", name.c_str());
-  return &smpi_coll_descriptions[name];
+  return &iter->second;
 }
 
 static s_mpi_coll_description_t* find_coll_description(const std::string& collective, const std::string& algo)