1 /** 2 * Copyright 2021 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef MINDSPORE_LITE_SRC_RUNTIME_DELEGATE_TENSORRT_TENSORRT_ALLOCATOR_H 18 #define MINDSPORE_LITE_SRC_RUNTIME_DELEGATE_TENSORRT_TENSORRT_ALLOCATOR_H 19 #include "src/delegate/tensorrt/tensorrt_allocator.h" 20 #include <map> 21 #include <string> 22 #include <NvInfer.h> 23 #include "include/api/types.h" 24 #include "include/ms_tensor.h" 25 26 namespace mindspore::lite { 27 struct CudaTensorParam { 28 void *data = nullptr; 29 bool is_valid_mem = false; 30 size_t size = 0; 31 }; 32 class TensorRTAllocator { 33 public: 34 TensorRTAllocator() = default; 35 36 ~TensorRTAllocator() = default; 37 38 void *MallocDeviceMem(const mindspore::MSTensor &host_tensor, size_t size); 39 40 void *MallocDeviceMem(const std::string &name, size_t size, nvinfer1::DataType data_type); 41 42 void *GetDevicePtr(const std::string &tensor_name); 43 44 int SyncMemInHostAndDevice(mindspore::MSTensor host_tensor, const std::string &device_tensor_name, 45 bool is_host2device, bool sync = true); 46 47 int SyncMemInHostAndDevice(void *host_data, const std::string &device_tensor_name, size_t data_size, 48 bool is_host2device, bool sync = true); 49 50 int ClearDeviceMem(); 51 52 void MarkMemValid(const std::string &name, bool isValid); 53 54 bool GetMemIsValid(const std::string &name); 55 56 private: 57 std::map<std::string, CudaTensorParam> cuda_tensor_map_; 58 }; 59 } // namespace mindspore::lite 60 #endif // MINDSPORE_LITE_SRC_RUNTIME_DELEGATE_TENSORRT_TENSORRT_ALLOCATOR_H 61