ceph/src/boost/libs/hana/benchmark/fold_left/execute.fusion.list.erb.cpp

   1 // Copyright Louis Dionne 2013-2016
   2 // Copyright Zach Laine 2014
   3 // Distributed under the Boost Software License, Version 1.0.
   4 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   5
   6 <% if input_size > 10 %>
   7     #define FUSION_MAX_LIST_SIZE <%= ((input_size + 9) / 10) * 10 %>
   8 <% end %>
   9
  10 #include <boost/fusion/include/fold.hpp>
  11 #include <boost/fusion/include/make_list.hpp>
  12
  13 #include "measure.hpp"
  14 #include <cstdlib>
  15 namespace fusion = boost::fusion;
  16 namespace hana = boost::hana;
  17
  18
  19 int main () {
  20     hana::benchmark::measure([] {
  21         long double result = 0;
  22         for (int iteration = 0; iteration < 1 << 10; ++iteration) {
  23             auto values = fusion::make_list(
  24                 <%= input_size.times.map { 'std::rand()' }.join(', ') %>
  25             );
  26
  27             result += fusion::fold(values, 0, [](auto state, auto t) {
  28                 return state + t;
  29             });
  30         }
  31     });
  32 }