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global_utils.h
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global_utils.h
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// Copyright (c) 2021 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 <atomic>
#include <memory>
#include "paddle/fluid/imperative/tracer.h"
#include "paddle/phi/api/ext/op_meta_info.h"
#include "paddle/utils/small_vector.h"
namespace egr {
constexpr size_t kSlotSmallVectorSize = 15U;
class UniqueNameGenerator {
public:
explicit UniqueNameGenerator(std::string prefix = "") : prefix_(prefix) {}
std::string Generate(std::string key = "eager_tmp") {
return prefix_ + key + "_" + std::to_string(id_++);
}
private:
std::atomic<int> id_{0};
std::string prefix_;
};
// Global
// TODO(jiabin): Now we are using imperative tracer, move it here when we
// deprecate imperative.
class Controller {
public:
static Controller& Instance() { return *controller_; }
paddle::platform::Place GetExpectedPlace() const {
return tracer_->ExpectedPlace();
}
void SetExpectedPlace(const paddle::platform::Place& place) {
tracer_->SetExpectedPlace(place);
}
void SetAMPLevel(paddle::imperative::AmpLevel level) {
tracer_->SetAmpLevel(level);
}
paddle::imperative::AmpLevel GetAMPLevel() const {
return tracer_->GetAmpLevel();
}
bool HasGrad() const { return tracer_->HasGrad(); }
void SetHasGrad(bool has_grad) { tracer_->SetHasGrad(has_grad); }
std::string GenerateUniqueName(std::string key = "eager_tmp") {
return tracer_->GenerateUniqueName(key);
}
const std::shared_ptr<paddle::imperative::Tracer>& GetCurrentTracer() {
return tracer_;
}
void SetCurrentTracer(
const std::shared_ptr<paddle::imperative::Tracer>& tracer) {
tracer_ = tracer;
VLOG(6) << "Set current tracer for Controller: " << tracer_;
}
const std::unordered_map<std::string, std::vector<paddle::OpMetaInfo>>&
GetOpMetaInfoMap() {
return op_meta_info_map_;
}
void MergeOpMetaInfoMap(const std::unordered_map<
std::string, std::vector<paddle::OpMetaInfo>>& map) {
op_meta_info_map_.insert(map.begin(), map.end());
}
std::unordered_map<std::string,
std::vector<std::vector<std::unordered_map<int, int>>>>&
GetCustomEdgesSlotMap() {
return custom_edges_slot_map_;
}
private:
Controller() = default;
static Controller* controller_;
std::shared_ptr<paddle::imperative::Tracer> tracer_{
new paddle::imperative::Tracer()};
std::unordered_map<std::string, std::vector<paddle::OpMetaInfo>>
op_meta_info_map_;
/* op_type : {{{grad_outputs}, {grad_inputs}, {input}, {output}, {attrs}},
* {{grad_outputs}, {grad_inputs}, {input}, {output}, {attrs}}}*/
std::unordered_map<std::string,
std::vector<std::vector<std::unordered_map<int, int>>>>
custom_edges_slot_map_;
DISABLE_COPY_AND_ASSIGN(Controller);
};
} // namespace egr