Function main

example/cpp14/parallel_group/parallel_sort.cpp:106–134

}

int main()
{
  boost::asio::thread_pool pool(4);

  std::vector<int> values(100'000'000);

  std::random_device random_device;
  std::mt19937 rng(random_device());
  std::uniform_int_distribution<int> dist(1, 1'000'000);
  std::generate(values.begin(), values.end(), [&]{ return dist(rng); });

  std::cout << "starting sort\n";

  auto begin = std::chrono::high_resolution_clock::now();

  parallel_sort(
      pool.get_executor(),
      values.begin(),
      values.end(),
      boost::asio::use_future
    ).get();

  auto end = std::chrono::high_resolution_clock::now();

  auto duration = end - begin;
  std::cout << "sort took "
    << std::chrono::duration_cast<std::chrono::microseconds>(duration).count()
    << " microseconds\n";
}