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Paddle/paddle/fluid/framework/details/op_handle_base.h

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2.4 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/var_handle.h"
#include "paddle/fluid/platform/device_context.h"
#include "paddle/fluid/platform/macros.h"
namespace paddle {
namespace framework {
namespace details {
constexpr char kLocalExecScopeName[] = "@LCOAL_SCOPE@";
class OpHandleBase {
public:
OpHandleBase() {}
virtual ~OpHandleBase();
std::string DebugString() const;
virtual std::string Name() const = 0;
void Run(bool use_event);
virtual void Wait(platform::DeviceContext *waited_dev);
void AddInput(VarHandleBase *in);
void AddOutput(VarHandleBase *out);
// If the Op involves data transfer of multiple devices that
// will likely block other computations.
virtual bool IsMultiDeviceTransfer() { return false; }
const platform::DeviceContext *DeviceContext(platform::Place place) {
return dev_ctxes_[place];
}
void SetDeviceContext(platform::Place place, platform::DeviceContext *ctx_) {
dev_ctxes_[place] = ctx_;
}
const std::vector<VarHandleBase *> &Inputs() const { return inputs_; }
const std::vector<VarHandleBase *> &Outputs() const { return outputs_; }
protected:
void RunAndRecordEvent(const std::function<void()> &callback);
void RunAndRecordEvent(platform::Place p,
const std::function<void()> &callback);
virtual void RunImpl() = 0;
std::vector<VarHandleBase *> inputs_;
std::vector<VarHandleBase *> outputs_;
std::unordered_map<platform::Place, platform::DeviceContext *,
platform::PlaceHash>
dev_ctxes_;
#ifdef PADDLE_WITH_CUDA
std::unordered_map<int, cudaEvent_t> events_;
#endif
DISABLE_COPY_AND_ASSIGN(OpHandleBase);
};
} // namespace details
} // namespace framework
} // namespace paddle