// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #pragma once #include #include #include #include "paddle/fluid/distributed/fleet_executor/fleet_executor_desc.pb.h" #include "paddle/fluid/framework/tensor.h" #include "paddle/fluid/platform/macros.h" #include "paddle/fluid/platform/place.h" namespace paddle { namespace framework { class ProgramDesc; class Scope; class BlockDesc; } namespace distributed { class TaskNode; class FleetExecutor; struct DistModelConfig { std::string model_dir{}; framework::ProgramDesc* program_desc{nullptr}; framework::Scope* scope{nullptr}; std::string place{}; int64_t device_id{0}; std::vector trainer_endpoints{}; std::string current_endpoint{}; int64_t nranks{1}; int64_t local_rank{0}; int64_t mp_degree{1}; int64_t pp_degree{1}; int64_t mp_ring_id{-1}; int64_t pp_upstream_ring_id{-1}; int64_t pp_downstream_ring_id{-1}; }; class DistModel { public: explicit DistModel(const DistModelConfig& config) : config_(config) {} bool Init(); void Run(const std::vector& input_data, std::vector* output_data); ~DistModel() = default; private: DISABLE_COPY_AND_ASSIGN(DistModel); bool PrepareScope(); bool PrepareProgram(); bool LoadProgram(); bool LoadParameters(); bool PreparePlace(); bool CommInit(); bool PrepareFeedAndFetch(); bool PrepareFleetExe(); void InsertCommOp(std::string tmp_var_name, int nranks, int rank, const std::vector& peer_endpoints, framework::BlockDesc* block, int ring_id); std::vector feeds_; std::map feed_names_; std::map idx_to_feeds_; std::vector fetches_; std::map id_to_fetches_; DistModelConfig config_; FleetExecutorDesc executor_desc_; std::shared_ptr fleet_exe; std::shared_ptr task_node_; std::shared_ptr scope_; paddle::platform::Place place_; std::shared_ptr program_; }; } // namespace distributed } // namespace paddle