1 /** 2 * Copyright 2019-2021 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_CCSRC_BACKEND_KERNEL_COMPILER_GPU_DATA_DATASET_ITERATOR_GPU_KERNEL_H_ 18 #define MINDSPORE_CCSRC_BACKEND_KERNEL_COMPILER_GPU_DATA_DATASET_ITERATOR_GPU_KERNEL_H_ 19 20 #include <memory> 21 #include <string> 22 #include <vector> 23 #include "backend/kernel_compiler/gpu/data/dataset_profiling.h" 24 #include "backend/kernel_compiler/gpu/gpu_kernel.h" 25 #include "backend/kernel_compiler/gpu/gpu_kernel_factory.h" 26 27 namespace mindspore { 28 namespace kernel { 29 class DatasetIteratorKernel : public GpuKernel { 30 public: 31 DatasetIteratorKernel(); 32 ~DatasetIteratorKernel(); 33 34 const std::vector<size_t> &GetInputSizeList() const override; 35 const std::vector<size_t> &GetOutputSizeList() const override; 36 const std::vector<size_t> &GetWorkspaceSizeList() const override; 37 bool Launch(const std::vector<AddressPtr> &inputs, const std::vector<AddressPtr> &workspace, 38 const std::vector<AddressPtr> &outputs, void *stream_ptr) override; 39 bool Init(const CNodePtr &kernel_node) override; 40 void ReleaseResource() override; 41 42 protected: 43 void InitSizeLists() override; 44 45 private: 46 bool ReadDevice(void **addr, size_t *len); 47 std::string queue_name_; 48 unsigned int handle_; 49 size_t total_bytes_; 50 bool profiling_enable_; 51 std::shared_ptr<GetNextProfiling> profiling_op_; 52 53 std::vector<size_t> input_size_list_; 54 std::vector<size_t> output_size_list_; 55 std::vector<size_t> workspace_size_list_; 56 }; 57 58 MS_REG_GPU_KERNEL(GetNext, DatasetIteratorKernel) 59 } // namespace kernel 60 } // namespace mindspore 61 62 #endif // MINDSPORE_CCSRC_BACKEND_KERNEL_COMPILER_GPU_DATA_DATASET_ITERATOR_GPU_KERNEL_H_ 63