Function init_io_random

src/utils/random_number_generators.cpp:228–245

}

void init_io_random(int seed, int num_io_RNGs)
{
  int seed_base = seed;
  if (seed == -1) {
    // Seed with a random value.
    std::random_device rd;
    seed_base = rd();
  }

  ::io_generators.resize(num_io_RNGs);
  for (int i = 0; i < num_io_RNGs; i++) {
    auto& io_rng = ::io_generators[i];
    io_rng.generator.seed(hash_combine(seed_base, i));
    io_rng.fast_generator.seed(hash_combine(seed_base, i));
    io_rng.active_thread_id.store(std::thread::id());
  }
  ::io_generators_inited = true;
}

} // namespace lbann