forked from huawei/mindspore2022
81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
/**
|
|
* 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_GPU_GPU_DEVICE_MANAGER_H_
|
|
#define MINDSPORE_CCSRC_DEVICE_GPU_GPU_DEVICE_MANAGER_H_
|
|
|
|
#include <cudnn.h>
|
|
#include <cublas_v2.h>
|
|
#include <vector>
|
|
#include <memory>
|
|
#include "device/gpu/cuda_driver.h"
|
|
#include "device/gpu/gpu_memory_allocator.h"
|
|
|
|
namespace mindspore {
|
|
namespace device {
|
|
namespace gpu {
|
|
class GPUDeviceManager {
|
|
public:
|
|
void InitDevice();
|
|
void ReleaseDevice();
|
|
|
|
int device_count() const;
|
|
bool set_cur_device_id(uint32_t device_id);
|
|
uint32_t cur_device_id() const;
|
|
bool is_device_id_init() const;
|
|
|
|
bool CreateStream(DeviceStream *stream);
|
|
bool SyncStream(const DeviceStream &stream) const;
|
|
const DeviceStream &default_stream() const;
|
|
|
|
const cudnnHandle_t &GetCudnnHandle() const;
|
|
const cublasHandle_t &GetCublasHandle() const;
|
|
|
|
bool CopyDeviceMemToHost(const HostMemPtr &dst, const DeviceMemPtr &src, size_t size) const;
|
|
bool CopyHostMemToDevice(const DeviceMemPtr &dst, const void *src, size_t size) const;
|
|
|
|
static GPUDeviceManager &GetInstance() {
|
|
static GPUDeviceManager instance;
|
|
return instance;
|
|
}
|
|
|
|
private:
|
|
GPUDeviceManager() : dev_id_init_(false), cur_dev_id_(0) {}
|
|
~GPUDeviceManager() = default;
|
|
GPUDeviceManager(const GPUDeviceManager &) = delete;
|
|
GPUDeviceManager &operator=(const GPUDeviceManager &) = delete;
|
|
|
|
// default CUDA stream used for all the kernels.
|
|
DeviceStream default_stream_{nullptr};
|
|
|
|
// all gpu CUDA streams including default_stream_.
|
|
std::vector<DeviceStream> gpu_streams_;
|
|
|
|
// handle used for cuDNN kernels.
|
|
cudnnHandle_t cudnn_handle_{nullptr};
|
|
|
|
// handle used for cuBLAS kernels.
|
|
cublasHandle_t cublas_handle_{nullptr};
|
|
|
|
bool dev_id_init_;
|
|
uint32_t cur_dev_id_;
|
|
};
|
|
} // namespace gpu
|
|
} // namespace device
|
|
} // namespace mindspore
|
|
|
|
#endif // MINDSPORE_CCSRC_DEVICE_GPU_GPU_DEVICE_MANAGER_H_
|