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mindspore/mindspore/ccsrc/device/cpu/cpu_resource_manager.h

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/**
* Copyright 2019 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.
*/
#ifndef MINDSPORE_CCSRC_DEVICE_CPU_CPU_RESOURCE_MANAGER_H_
#define MINDSPORE_CCSRC_DEVICE_CPU_CPU_RESOURCE_MANAGER_H_
#include <vector>
#include <unordered_map>
#include "session/kernel_graph.h"
#include "session/session_basic.h"
#include "device/device_address.h"
#include "device/cpu/cpu_simple_mem_plan.h"
namespace mindspore {
namespace device {
namespace cpu {
class CPUResourceManager {
public:
CPUResourceManager() = default;
~CPUResourceManager();
void MemPlan(const session::KernelGraph *graph);
void MemMalloc(const session::KernelGraph *graph);
void IncreaseAddressRefCount(const session::KernelGraph *graph);
void DecreaseAddressRefCount(const AnfNodePtr &kernel);
void *MemMalloc(size_t mem_size);
void MemFree(void *ptr);
void IncreaseSummaryRefCount(const session::NamedSummaryOutputs &summary_outputs);
void DecreaseSummaryRefCount(const session::NamedSummaryOutputs &summary_outputs);
private:
void MemFree();
CPUSimpleMemPlan mem_plan_;
size_t mem_size_{0};
uint8_t *mem_ptr_{nullptr};
bool dynamic_malloc_{false};
std::unordered_map<void *, size_t> dynamic_mem_;
};
} // namespace cpu
} // namespace device
} // namespace mindspore
#endif // MINDSPORE_CCSRC_DEVICE_CPU_CPU_RESOURCE_MANAGER_H_