@ -52,8 +52,7 @@ class ParallelExecutor {
private:
std::vector<framework::Executor> exes_;
std::vector<framework::Scope*> scopes_;
AllReduceCallBack all_reduce_callbacks_;
std::unordered_set<std::string> params_; // where to initilize it?
std::vector<AllReduceCallBack> all_reduce_callbacks_;
platform::Communicator nccl_com_;
};