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 #ifndef MINDSPORE_CCSRC_PS_PS_CACHE_PS_CACHE_BASIC_H 17 #define MINDSPORE_CCSRC_PS_PS_CACHE_PS_CACHE_BASIC_H 18 19 #include <utility> 20 #include <memory> 21 22 namespace mindspore { 23 namespace ps { 24 #define RETURN_IF_FALSE(condition) \ 25 do { \ 26 if (!(condition)) { \ 27 return false; \ 28 } \ 29 } while (false) 30 31 class PsCacheBasic { 32 public: 33 PsCacheBasic() = default; 34 virtual ~PsCacheBasic() = default; 35 virtual bool InitDevice(uint32_t device_id, const void *context) = 0; 36 virtual void *MallocMemory(size_t size) = 0; MallocConstantMemory(size_t cache_vocab_size)37 virtual bool MallocConstantMemory(size_t cache_vocab_size) { return true; } 38 virtual bool RecordEvent() = 0; 39 virtual bool SynchronizeEvent() = 0; 40 virtual bool SynchronizeStream() = 0; 41 virtual bool CopyHostMemToDevice(void *dst, const void *src, size_t size) = 0; 42 virtual bool CopyDeviceMemToHost(void *dst, const void *src, size_t size) = 0; 43 virtual bool HashSwapOut(void *hash_table_addr, void *swap_out_value_addr, void *swap_out_index_addr, 44 size_t cache_vocab_size, size_t embedding_size, size_t swap_out_size) = 0; 45 virtual bool HashSwapIn(void *hash_table_addr, void *swap_in_value_addr, void *swap_in_index_addr, 46 size_t cache_vocab_size, size_t embedding_size, size_t swap_in_size) = 0; 47 48 protected: 49 void *stream_; 50 }; 51 } // namespace ps 52 } // namespace mindspore 53 #endif // MINDSPORE_CCSRC_PS_PS_CACHE_PS_CACHE_BASIC_H 54