60 lines
1.8 KiB
60 lines
1.8 KiB
// Copyright (c) 2018 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 <string>
|
|
#include <vector>
|
|
#include "paddle/fluid/framework/details/op_handle_base.h"
|
|
#include "paddle/fluid/framework/lod_tensor.h"
|
|
#include "paddle/fluid/framework/scope.h"
|
|
#ifdef PADDLE_WITH_CUDA
|
|
#include "paddle/fluid/platform/nccl_helper.h"
|
|
#endif
|
|
|
|
namespace paddle {
|
|
namespace framework {
|
|
namespace details {
|
|
|
|
struct DataBalanceOpHandle : public OpHandleBase {
|
|
public:
|
|
#ifdef PADDLE_WITH_CUDA
|
|
DataBalanceOpHandle(const std::vector<Scope *> &local_scopes,
|
|
const std::vector<platform::Place> &places,
|
|
const platform::NCCLContextMap *ctxs);
|
|
#else
|
|
DataBalanceOpHandle(const std::vector<Scope *> &local_scopes,
|
|
const std::vector<platform::Place> &places);
|
|
#endif
|
|
|
|
std::string Name() const override;
|
|
|
|
bool IsMultiDeviceTransfer() override { return false; };
|
|
|
|
protected:
|
|
void RunImpl() override;
|
|
|
|
private:
|
|
// std::vector<(src_dev_id, dst_dev_id, trans_size)>
|
|
std::vector<std::array<int, 3>> GetBalancePlan(
|
|
const std::vector<int> &batch_size_per_device);
|
|
|
|
const std::vector<Scope *> local_scopes_;
|
|
const std::vector<platform::Place> places_;
|
|
};
|
|
|
|
} // namespace details
|
|
} // namespace framework
|
|
} // namespace paddle
|