/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve. 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. */ #include "paddle/pybind/protobuf.h" #include #include "paddle/framework/attribute.h" namespace paddle { namespace pybind { using namespace paddle::framework; // NOLINT template inline std::vector RepeatedToVector( const google::protobuf::RepeatedField &repeated_field) { std::vector ret; ret.reserve(repeated_field.size()); std::copy( repeated_field.begin(), repeated_field.end(), std::back_inserter(ret)); return ret; } template inline void VectorToRepeated(const std::vector &vec, RepeatedField *repeated_field) { repeated_field->Reserve(vec.size()); for (auto &elem : vec) { *repeated_field->Add() = elem; } } class ProgramDescBind; class OpDescBind; class BlockDescBind; class VarDescBind; class VarDescBind { public: explicit VarDescBind(const std::string &name) { var_desc_.set_name(name); } VarDesc *Proto() { return &var_desc_; } private: VarDesc var_desc_; }; class OpDescBind { public: OpDesc *Proto() { Sync(); return &op_desc_; } std::string Type() const { return op_desc_.type(); } void SetType(const std::string &type) { op_desc_.set_type(type); } const std::vector &Input(const std::string &name) const { auto it = inputs_.find(name); PADDLE_ENFORCE( it != inputs_.end(), "Input %s cannot be found in Op %s", name, Type()); return it->second; } std::vector InputNames() const { std::vector retv; retv.reserve(this->inputs_.size()); for (auto &ipt : this->inputs_) { retv.push_back(ipt.first); } return retv; } void SetInput(const std::string ¶m_name, const std::vector &args) { need_update_ = true; inputs_[param_name] = args; } const std::vector &Output(const std::string &name) const { auto it = outputs_.find(name); PADDLE_ENFORCE(it != outputs_.end(), "Output %s cannot be found in Op %s", name, Type()); return it->second; } std::vector OutputNames() const { std::vector retv; retv.reserve(this->outputs_.size()); for (auto &ipt : this->outputs_) { retv.push_back(ipt.first); } return retv; } void SetOutput(const std::string ¶m_name, const std::vector &args) { need_update_ = true; this->outputs_[param_name] = args; } std::string DebugString() { return this->Proto()->DebugString(); } void Sync() { if (need_update_) { this->op_desc_.mutable_inputs()->Clear(); for (auto &ipt : inputs_) { auto *input = op_desc_.add_inputs(); input->set_parameter(ipt.first); VectorToRepeated(ipt.second, input->mutable_arguments()); } this->op_desc_.mutable_outputs()->Clear(); for (auto &opt : outputs_) { auto *output = op_desc_.add_outputs(); output->set_parameter(opt.first); VectorToRepeated(opt.second, output->mutable_arguments()); } need_update_ = false; } } private: OpDesc op_desc_; std::unordered_map> inputs_; std::unordered_map> outputs_; std::unordered_map attrs_; bool need_update_{false}; }; class BlockDescBind { public: BlockDescBind(ProgramDescBind *prog, BlockDesc *desc) : prog_(prog), desc_(desc), need_update_(false) {} BlockDescBind(const BlockDescBind &o) = delete; BlockDescBind &operator=(const BlockDescBind &o) = delete; int32_t id() const { return desc_->idx(); } int32_t Parent() const { return desc_->parent_idx(); } VarDescBind *NewVar(const std::string &name) { need_update_ = true; auto it = vars_.find(name); PADDLE_ENFORCE(it == vars_.end(), "Duplicated variable %s", name); auto var = new VarDescBind(name); vars_[name].reset(var); return var; } BlockDescBind *ParentBlock() const; OpDescBind *AppendOp() { need_update_ = true; ops_.emplace_back(new OpDescBind()); return ops_.back().get(); } void Sync() { if (need_update_) { auto &op_field = *this->desc_->mutable_ops(); op_field.Clear(); op_field.Reserve(static_cast(ops_.size())); for (auto &op_desc : ops_) { op_field.AddAllocated(op_desc->Proto()); } need_update_ = false; } } private: ProgramDescBind *prog_; // not_own BlockDesc *desc_; // not_own bool need_update_; std::deque> ops_; std::unordered_map> vars_; }; using ProgDescMap = std::unordered_map>; static ProgDescMap *g_bind_map = nullptr; class ProgramDescBind { public: static ProgramDescBind &Instance(ProgramDesc *prog) { if (g_bind_map == nullptr) { g_bind_map = new ProgDescMap(); } auto &map = *g_bind_map; auto &ptr = map[prog]; if (ptr == nullptr) { ptr.reset(new ProgramDescBind(prog)); } return *ptr; } ProgramDescBind(const ProgramDescBind &o) = delete; ProgramDescBind &operator=(const ProgramDescBind &o) = delete; BlockDescBind *AppendBlock(const BlockDescBind &parent) { auto *b = prog_->add_blocks(); b->set_parent_idx(parent.id()); b->set_idx(prog_->blocks_size() - 1); blocks_.emplace_back(new BlockDescBind(this, b)); return blocks_.back().get(); } BlockDescBind *Block(size_t idx) { return blocks_[idx].get(); } std::string DebugString() { return Proto()->DebugString(); } size_t Size() const { return blocks_.size(); } ProgramDesc *Proto() { for (auto &block : blocks_) { block->Sync(); } return prog_; } private: explicit ProgramDescBind(ProgramDesc *prog) : prog_(prog) { for (auto &block : *prog->mutable_blocks()) { blocks_.emplace_back(new BlockDescBind(this, &block)); } } // Not owned ProgramDesc *prog_; std::vector> blocks_; }; BlockDescBind *BlockDescBind::ParentBlock() const { if (this->desc_->parent_idx() == -1) { return nullptr; } return prog_->Block(static_cast(this->desc_->parent_idx())); } void BindProgramDesc(py::module &m) { py::class_(m, "ProgramDesc", "") .def_static("instance", []() -> ProgramDescBind * { return &ProgramDescBind::Instance(&GetProgramDesc()); }, py::return_value_policy::reference) .def_static("__create_program_desc__", []() -> ProgramDescBind * { // Only used for unit-test auto *prog_desc = new ProgramDesc; auto *block = prog_desc->mutable_blocks()->Add(); block->set_idx(0); block->set_parent_idx(-1); return &ProgramDescBind::Instance(prog_desc); }, py::return_value_policy::reference) .def("append_block", &ProgramDescBind::AppendBlock, py::return_value_policy::reference) .def("block", &ProgramDescBind::Block, py::return_value_policy::reference) .def("__str__", &ProgramDescBind::DebugString) .def("num_blocks", &ProgramDescBind::Size); } void BindBlockDesc(py::module &m) { py::class_(m, "BlockDesc", "") .def_property_readonly("id", &BlockDescBind::id) .def_property_readonly("parent", &BlockDescBind::Parent) .def("append_op", &BlockDescBind::AppendOp, py::return_value_policy::reference) .def("new_var", [](BlockDesc &self) { return self.add_vars(); }, py::return_value_policy::reference); } void BindVarDsec(py::module &m) { py::class_(m, "VarDesc", ""); // using namespace paddle::framework; // NOLINT // py::class_(m, "VarDesc", "") // .def(py::init<>()) // .def("set_name", // [](VarDesc &self, const std::string &name) { self.set_name(name); // }) // .def("set_shape", // [](VarDesc &self, const std::vector &dims) { // VectorToRepeated(dims, // self.mutable_lod_tensor()->mutable_dims()); // }) // .def("set_data_type", // [](VarDesc &self, int type_id) { // LoDTensorDesc *lod_tensor_desc = self.mutable_lod_tensor(); // lod_tensor_desc->set_data_type(static_cast(type_id)); // }) // .def("shape", [](VarDesc &self) { // const LoDTensorDesc &lod_tensor_desc = self.lod_tensor(); // return RepeatedToVector(lod_tensor_desc.dims()); // }); } void BindOpDesc(py::module &m) { py::class_(m, "OpDesc", "") .def("type", &OpDescBind::Type) .def("set_type", &OpDescBind::SetType) .def("input", &OpDescBind::Input) .def("input_names", &OpDescBind::InputNames) .def("set_input", &OpDescBind::SetInput) .def("output", &OpDescBind::Output) .def("output_names", &OpDescBind::OutputNames) .def("set_output", &OpDescBind::SetOutput) .def("__str__", &OpDescBind::DebugString) .def("__repr__", &OpDescBind::DebugString); } } // namespace pybind } // namespace paddle