Function GlobalThreadPool

tensorflow/core/common_runtime/direct_session.cc:170–174

}

thread::ThreadPool* GlobalThreadPool(const SessionOptions& options) {
  static thread::ThreadPool* const thread_pool =
      NewThreadPoolFromSessionOptions(options);
  return thread_pool;
}

// TODO(vrv): Figure out how to unify the many different functions
// that generate RendezvousKey, since many of them have to be