1 /** 2 * Copyright 2020 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_PS_PS_CACHE_GPU_GPU_PS_CACHE_H_ 18 #define MINDSPORE_CCSRC_PS_PS_CACHE_GPU_GPU_PS_CACHE_H_ 19 20 #include <cuda_runtime_api.h> 21 #include <memory> 22 #include "ps/ps_cache/ps_cache_basic.h" 23 24 namespace mindspore { 25 namespace ps { 26 namespace gpu { 27 class GPUPsCache : public PsCacheBasic { 28 public: 29 GPUPsCache() = default; 30 ~GPUPsCache() override = default; 31 bool InitDevice(uint32_t device_id, const void *context) override; 32 void *MallocMemory(size_t size) override; 33 bool RecordEvent() override; 34 bool SynchronizeEvent() override; 35 bool SynchronizeStream() override; 36 bool CopyHostMemToDevice(void *dst, const void *src, size_t size) override; 37 bool CopyDeviceMemToHost(void *dst, const void *src, size_t size) override; 38 bool HashSwapOut(void *hash_table_addr, void *swap_out_value_addr, void *swap_out_index_addr, size_t cache_vocab_size, 39 size_t embedding_size, size_t swap_out_size) override; 40 bool HashSwapIn(void *hash_table_addr, void *swap_in_value_addr, void *swap_in_index_addr, size_t cache_vocab_size, 41 size_t embedding_size, size_t swap_in_size) override; 42 43 private: 44 std::unique_ptr<cudaEvent_t> event_; 45 }; 46 } // namespace gpu 47 } // namespace ps 48 } // namespace mindspore 49 #endif // MINDSPORE_CCSRC_PS_PS_CACHE_GPU_GPU_PS_CACHE_H_ 50