1 /** 2 * Copyright 2023 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_DISTRIBUTED_EMBEDDING_CACHE_DATA_QUEUE_MANAGER_H_ 18 #define MINDSPORE_CCSRC_DISTRIBUTED_EMBEDDING_CACHE_DATA_QUEUE_MANAGER_H_ 19 20 #include <memory> 21 #include <utility> 22 #include <string> 23 #include "include/backend/distributed/embedding_cache/blocking_queue.h" 24 #include "include/backend/distributed/embedding_cache/embedding_cache_utils.h" 25 #include "include/backend/visible.h" 26 27 namespace mindspore { 28 namespace distributed { 29 using IdsDataQueue = BlockingQueue<IdDataInfo>; 30 using IndicesDataQueue = BlockingQueue<IndexDataInfo>; 31 using IdsAndIndicesDataQueuePair = std::pair<std::shared_ptr<IdsDataQueue>, std::shared_ptr<IndicesDataQueue>>; 32 33 // This class is used to manage the Cache prefetch queue in the Embedding Cache mode. 34 class BACKEND_EXPORT DataQueueManager { 35 public: 36 static DataQueueManager &GetInstance(); 37 38 void CreateDataQueue(const std::string &channel_name, size_t sink_size, size_t capacity); 39 40 const IdsAndIndicesDataQueuePair &GetDataQueue(const std::string &channel_name) const; 41 42 size_t GetSinkSize(const std::string &channel_name) const; 43 44 void CloseAllQueues(); 45 IsClosed()46 bool IsClosed() { return closed_.load(); } 47 48 private: 49 DataQueueManager() = default; 50 ~DataQueueManager() = default; 51 DISABLE_COPY_AND_ASSIGN(DataQueueManager); 52 53 mindspore::HashMap<std::string, IdsAndIndicesDataQueuePair> channels_to_queues_; 54 55 mindspore::HashMap<std::string, size_t> channels_to_sink_sizes_; 56 57 std::atomic_bool closed_{false}; 58 59 std::mutex mtx_; 60 }; 61 } // namespace distributed 62 } // namespace mindspore 63 #endif // MINDSPORE_CCSRC_DISTRIBUTED_EMBEDDING_CACHE_DATA_QUEUE_MANAGER_H_ 64