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49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
//
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// Created by zilliz on 2023/7/31.
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//
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#include "ThreadPools.h"
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namespace milvus {
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std::map<ThreadPoolPriority, std::unique_ptr<ThreadPool>>
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ThreadPools::thread_pool_map;
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std::map<ThreadPoolPriority, int64_t> ThreadPools::coefficient_map;
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std::map<ThreadPoolPriority, std::string> ThreadPools::name_map;
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std::shared_mutex ThreadPools::mutex_;
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ThreadPools ThreadPools::threadPools;
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bool ThreadPools::has_setup_coefficients = false;
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void
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ThreadPools::ShutDown() {
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for (auto itr = thread_pool_map.begin(); itr != thread_pool_map.end();
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++itr) {
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LOG_SEGCORE_INFO_ << "Start shutting down threadPool with priority:"
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<< itr->first;
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itr->second->ShutDown();
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LOG_SEGCORE_INFO_ << "Finish shutting down threadPool with priority:"
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<< itr->first;
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}
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}
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ThreadPool&
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ThreadPools::GetThreadPool(milvus::ThreadPoolPriority priority) {
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std::unique_lock<std::shared_mutex> lock(mutex_);
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auto iter = thread_pool_map.find(priority);
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if (!ThreadPools::has_setup_coefficients) {
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ThreadPools::SetUpCoefficients();
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ThreadPools::has_setup_coefficients = true;
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}
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if (iter != thread_pool_map.end()) {
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return *(iter->second);
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} else {
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int64_t coefficient = coefficient_map[priority];
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std::string name = name_map[priority];
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auto result = thread_pool_map.emplace(
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priority, std::make_unique<ThreadPool>(coefficient, name));
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return *(result.first->second);
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}
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}
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} // namespace milvus
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