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77 lines
2.1 KiB
77 lines
2.1 KiB
// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <memory>
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#include <string>
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#include <vector>
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#include "paddle/fluid/framework/details/op_handle_base.h"
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#include "paddle/fluid/framework/feed_fetch_type.h"
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#include "paddle/fluid/framework/op_registry.h"
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#include "paddle/fluid/framework/scope.h"
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#include "paddle/fluid/platform/device_context.h"
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#include "paddle/fluid/platform/place.h"
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namespace paddle {
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namespace framework {
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class Scope;
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namespace ir {
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class Node;
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} // namespace ir
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} // namespace framework
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} // namespace paddle
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namespace paddle {
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namespace framework {
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namespace details {
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// **NOTE**: fetch_barrier op is special it outputs all recved variables on
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// all places if there are multiple places, must init with
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// multiple dev_ctxes_ !!!!
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struct VarHandleBase;
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struct FetchBarrierOpHandle : public OpHandleBase {
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public:
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FetchBarrierOpHandle(ir::Node *node, const std::vector<Scope *> &local_scopes,
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const std::vector<platform::Place> &places);
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bool IsMultiDeviceTransfer() override;
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std::string Name() const override;
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protected:
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void RunImpl() override;
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std::vector<Scope *> GetLocalScopes() override { return local_scopes_; }
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bool NeedWait(VarHandleBase *in_var) override;
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private:
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std::unique_ptr<OperatorBase> op_;
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std::vector<Scope *> local_scopes_;
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std::vector<platform::Place> places_;
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Scope *run_scope_;
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platform::Place place_;
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bool is_lock_and_record_event_free_{false};
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};
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} // namespace details
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} // namespace framework
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} // namespace paddle
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