mindspore2022/mindspore/ccsrc/frontend/optimizer/py_pass_manager.cc

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2.9 KiB
C++

/**
* Copyright 2020 Huawei Technologies Co., Ltd
*
* 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 "frontend/optimizer/py_pass_manager.h"
#include <functional>
#include <algorithm>
#include <utility>
#include <initializer_list>
#include "ir/manager.h"
#include "frontend/optimizer/pass_group.h"
namespace mindspore {
namespace opt {
namespace python_pass {
PyPassManagerPtr PyPassManager::global_instance = nullptr;
std::unordered_map<Phase, PassGroupPtr> PyPassManager::phase_to_group_;
PassGroupPtr PyPassManager::GetPassGroup(Phase phase) {
auto pm = phase_to_group_.find(phase);
if (pm == phase_to_group_.end()) {
return nullptr;
}
return pm->second;
}
PyPassManagerPtr PyPassManager::GetInstance() {
if (global_instance == nullptr) {
global_instance = std::shared_ptr<PyPassManager>(new (std::nothrow) PyPassManager());
}
return global_instance;
}
PyPassManager::PyPassManager() {
phase_to_group_[Phase::RESOLVE] = std::make_shared<PassGroup>();
phase_to_group_[Phase::OPT] = std::make_shared<PassGroup>();
}
void PyPassManager::Registe(const std::string &pass_name, const py::function &pattern, const py::function &target,
Phase phase, bool run_only_once, bool multigraph) {
auto cur_pm = GetPassGroup(phase);
MS_EXCEPTION_IF_NULL(cur_pm);
PythonPassPtr new_pass = std::make_shared<PythonPass>(pass_name, pattern, target, run_only_once, multigraph);
cur_pm->AddPass(new_pass);
}
void PyPassManager::Unregiste(const std::string &pass_name, Phase phase) {
auto cur_pm = GetPassGroup(phase);
MS_EXCEPTION_IF_NULL(cur_pm);
if (!cur_pm->DeletePass(pass_name)) {
MS_LOG(WARNING) << "No such pass : " + pass_name + "\n";
}
}
void PyPassManager::ClearRes() {
MS_LOG(INFO) << "Clear PyPassManager resources!";
global_instance = nullptr;
phase_to_group_.clear();
}
REGISTER_PYBIND_DEFINE(
PyPassManager_, ([](const py::module *m) {
(void)py::enum_<Phase>(*m, "phase", py::arithmetic()).value("resolve", Phase::RESOLVE).value("opt", Phase::OPT);
(void)py::class_<PyPassManager, std::shared_ptr<PyPassManager>>(*m, "PyPassManager_")
.def(py::init([]() { return PyPassManager::GetInstance(); }))
.def("registe", &PyPassManager::Registe, "Registe python pass")
.def("unregiste", &PyPassManager::Unregiste, "Delete Python Pass");
}));
} // namespace python_pass
} // namespace opt
} // namespace mindspore