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 #ifndef MINDSPORE_CCSRC_BACKEND_RUNTIME_DEVICE_GPU_TRT_LOADER_H_ 17 #define MINDSPORE_CCSRC_BACKEND_RUNTIME_DEVICE_GPU_TRT_LOADER_H_ 18 19 #include <memory> 20 #include <NvInfer.h> 21 22 namespace mindspore { 23 namespace device { 24 namespace gpu { 25 typedef nvinfer1::IBuilder *(*CreateInferBuilder_t)(nvinfer1::ILogger &, int); 26 typedef nvinfer1::IRuntime *(*CreateInferRuntime_t)(nvinfer1::ILogger &, int); 27 class TrtLoader { 28 public: 29 TrtLoader(); 30 ~TrtLoader(); 31 32 std::shared_ptr<nvinfer1::IBuilder> CreateInferBuilder(nvinfer1::ILogger *logger); 33 std::shared_ptr<nvinfer1::IRuntime> CreateInferRuntime(nvinfer1::ILogger *logger); nvinfer_loaded()34 bool nvinfer_loaded() const { return nvinfer_loaded_; } 35 36 private: 37 bool nvinfer_loaded_; 38 void *nvinfer_handle_; 39 CreateInferBuilder_t create_infer_builder_; 40 CreateInferRuntime_t create_infer_runtime_; 41 }; 42 } // namespace gpu 43 } // namespace device 44 } // namespace mindspore 45 #endif // MINDSPORE_CCSRC_BACKEND_RUNTIME_DEVICE_GPU_TRT_LOADER_H_ 46