void BM_tbb2()

in benchmarks/simple_pool_benchmark.cpp [72:92]

• 20 lines of code
• 4 McCabe index (conditional complexity)

void BM_tbb2(benchmark::State& state) {
  const int num_threads = state.range(0);
  const int num_elements = state.range(1);

  for (auto UNUSED_VAR : state) {
    tbb::task_scheduler_init initsched(num_threads);
    tbb::task_group g;
    for (int i = 0; i < num_elements; ++i) {
      g.run([num_elements]() {
        int num = std::sqrt(num_elements);
        tbb::task_group g2;
        for (int j = 0; j < num; ++j) {
          auto* work = g_work;
          g2.run([j, work]() { work[tid() & 1023] += j; });
        }
        g2.wait();
      });
    }
    g.wait();
  }
}