forked from huawei/mindspore2022
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
/**
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* Copyright 2020 Huawei Technologies Co., Ltd
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed 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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*/
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#ifndef MINDSPORE_LITE_INCLUDE_CONTEXT_H_
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#define MINDSPORE_LITE_INCLUDE_CONTEXT_H_
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#include <string>
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#include <memory>
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#include "include/ms_tensor.h"
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namespace mindspore::lite {
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/// \brief Allocator defined a memory pool for malloc memory and free memory dynamically.
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///
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/// \note List public class and interface for reference.
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class Allocator;
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/// \brief CpuBindMode defined for holding bind cpu strategy argument.
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enum CpuBindMode {
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MID_CPU = -1, /**< bind middle cpu first */
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HIGHER_CPU = 1, /**< bind higher cpu first */
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NO_BIND = 0 /**< no bind */
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};
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/// \brief DeviceType defined for holding user's preferred backend.
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typedef enum {
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DT_CPU, /**< CPU device type */
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DT_GPU, /**< GPU device type */
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DT_NPU /**< NPU device type */
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} DeviceType;
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/// \brief DeviceContext defined for holding DeviceType.
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typedef struct {
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DeviceType type; /**< device type */
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} DeviceContext;
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/// \brief Context defined for holding environment variables during runtime.
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class MS_API Context {
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public:
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/// \brief Constructor of MindSpore Lite Context using default value for parameters.
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///
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/// \return Instance of MindSpore Lite Context.
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Context();
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/// \brief Constructor of MindSpore Lite Context using input value for parameters.
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///
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/// \param[in] thread_num Define the work thread number during the runtime.
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/// \param[in] allocator Define the allocator for malloc.
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/// \param[in] device_ctx Define device information during the runtime.
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Context(int thread_num, std::shared_ptr<Allocator> allocator, DeviceContext device_ctx);
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/// \brief Destructor of MindSpore Lite Context.
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virtual ~Context();
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public:
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bool float16_priority = false; /**< allow priority select float16 kernel */
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DeviceContext device_ctx_{DT_CPU};
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int thread_num_ = 2; /**< thread number config for thread pool */
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std::shared_ptr<Allocator> allocator = nullptr;
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CpuBindMode cpu_bind_mode_ = MID_CPU;
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};
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} // namespace mindspore::lite
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#endif // MINDSPORE_LITE_INCLUDE_CONTEXT_H_
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