Pre-allocate up-front whenever possible

This commit is contained in:
Daniel J. Hofmann
2016-06-08 11:28:32 +02:00
parent 1c140a112a
commit 033dc0a72d
6 changed files with 16 additions and 2 deletions
+3
View File
@@ -193,6 +193,9 @@ void ExtractorCallbacks::ProcessWay(const osmium::Way &input_way, const Extracti
((parsed_way.forward_speed != parsed_way.backward_speed) ||
(parsed_way.forward_travel_mode != parsed_way.backward_travel_mode));
external_memory.used_node_id_list.reserve(external_memory.used_node_id_list.size() +
input_way.nodes().size());
std::transform(input_way.nodes().begin(),
input_way.nodes().end(),
std::back_inserter(external_memory.used_node_id_list),
-1
View File
@@ -5,7 +5,6 @@
#include <boost/algorithm/string.hpp>
#include <boost/assert.hpp>
#include <boost/range/adaptor/transformed.hpp>
#include <boost/ref.hpp>
#include <iterator>