Method GetCollectiveKey

tensorflow/core/kernels/nccl_ops.cc:50–54

  }

  string GetCollectiveKey(OpKernelContext* c) {
    return strings::StrCat(collective_prefix_, ";", c->step_id(), ";",
                           c->frame_iter().frame_id, ":",
                           c->frame_iter().iter_id);
  }

  int num_devices() const { return num_devices_; }