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126 lines
3.3 KiB
126 lines
3.3 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 <deque>
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#include <memory>
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#include <set>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "paddle/fluid/framework/op_desc.h"
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#include "paddle/fluid/framework/proto_desc.h"
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#include "paddle/fluid/framework/var_desc.h"
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#include "paddle/fluid/platform/macros.h"
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namespace paddle {
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namespace framework {
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class OpDesc;
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class ProgramDesc;
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class VarDesc;
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// Each Protobuf Message, we provide a XXXBind class. In that class, we optimize
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// read/write speed. Only when we want the protobuf message, the local changes
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// will be synchronized (by `Sync` method).
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class BlockDesc {
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public:
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BlockDesc(ProgramDesc *prog, proto::BlockDesc *desc);
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BlockDesc(const BlockDesc &other, proto::BlockDesc *desc, ProgramDesc *prog);
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int32_t ID() const { return desc_->idx(); }
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int32_t Parent() const { return desc_->parent_idx(); }
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int32_t ForwardBlockID() const { return desc_->forward_block_idx(); }
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VarDesc *Var(const std::string &name_bytes);
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VarDesc *FindVar(const std::string &name_bytes) const;
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bool HasVar(const std::string &var_name) const;
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VarDesc *RenameVar(const std::string &old_name, const std::string &new_name);
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VarDesc *FindVarRecursive(const std::string &name_bytes) const;
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VarDesc &FindRecursiveOrCreateVar(const std::string &name_bytes);
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bool HasVarRecursive(const std::string &var_name) const;
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std::set<std::string> LocalVarNames() const {
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std::set<std::string> var_names;
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for (auto &var : vars_) {
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var_names.insert(var.first);
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}
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return var_names;
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}
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std::vector<VarDesc *> AllVars() const;
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BlockDesc *ParentBlock() const;
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BlockDesc *ForwardBlock() const;
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void SetForwardBlockID(int32_t forward_block_id);
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OpDesc *AppendOp();
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void AppendAllocatedOp(std::unique_ptr<OpDesc> &&op_desc);
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OpDesc *PrependOp();
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void PrependAllocatedOp(std::unique_ptr<OpDesc> &&op_desc);
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OpDesc *InsertOp(size_t index);
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/*
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* Only remove op itself,
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* do nothing to its input and output variables
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*/
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void RemoveOp(size_t s, size_t e);
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void RemoveOpInternal(const OpDesc *op_desc);
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void RemoveVar(const std::string &name) { vars_.erase(name); }
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std::vector<OpDesc *> AllOps() const;
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size_t OpSize() const { return ops_.size(); }
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OpDesc *Op(int idx) const { return ops_.at(idx).get(); }
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void Flush();
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proto::BlockDesc *Proto();
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ProgramDesc *Program() const { return this->prog_; }
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private:
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ProgramDesc *prog_; // not_own
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proto::BlockDesc *desc_; // not_own
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bool need_update_;
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std::deque<std::unique_ptr<OpDesc>> ops_;
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std::unordered_map<std::string, std::unique_ptr<VarDesc>> vars_;
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DISABLE_COPY_AND_ASSIGN(BlockDesc);
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};
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} // namespace framework
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} // namespace paddle
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