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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 
17 #ifndef MINDSPORE_CORE_MINDRT_RUNTIME_ACTOR_THREADPOOL_H_
18 #define MINDSPORE_CORE_MINDRT_RUNTIME_ACTOR_THREADPOOL_H_
19 
20 #include <queue>
21 #include <vector>
22 #include <mutex>
23 #include <atomic>
24 #include <condition_variable>
25 #include "thread/threadpool.h"
26 #include "thread/core_affinity.h"
27 #include "actor/actor.h"
28 #include "thread/hqueue.h"
29 #define USE_HQUEUE
30 namespace mindspore {
31 class ActorThreadPool;
32 
33 class ActorWorker : public Worker {
34  public:
35   void CreateThread(ActorThreadPool *pool);
36   bool ActorActive();
37 
38  private:
39   void RunWithSpin();
40   bool RunQueueActorTask();
41 
42   ActorThreadPool *pool_{nullptr};
43 };
44 
45 class ActorThreadPool : public ThreadPool {
46  public:
47   // create ThreadPool that contains actor thread and kernel thread
48   static ActorThreadPool *CreateThreadPool(size_t actor_thread_num, size_t all_thread_num, BindMode bind_mode);
49 
50   static ActorThreadPool *CreateThreadPool(size_t actor_thread_num, size_t all_thread_num,
51                                            const std::vector<int> &core_list);
52   // create ThreadPool that contains only actor thread
53   static ActorThreadPool *CreateThreadPool(size_t thread_num);
54   ~ActorThreadPool() override;
55 
56   void PushActorToQueue(ActorBase *actor);
57   ActorBase *PopActorFromQueue();
58 
59  private:
ActorThreadPool()60   ActorThreadPool() {}
61   int CreateThreads(size_t actor_thread_num, size_t all_thread_num, const std::vector<int> &core_list);
62   size_t actor_thread_num_{0};
63 
64   std::mutex actor_mutex_;
65   std::condition_variable actor_cond_;
66 #ifdef USE_HQUEUE
67   HQueue<ActorBase> actor_queue_;
68 #else
69   std::queue<ActorBase *> actor_queue_;
70 #endif
71 };
72 }  // namespace mindspore
73 #endif  // MINDSPORE_CORE_MINDRT_RUNTIME_ACTOR_THREADPOOL_H_
74