[英]ThreadPool implemented with OpenMP
I need to implement a thread pool executor for generic tasks. 我需要为通用任务实现一个线程池执行器。 My idea is to use OpenMP for thread management.
我的想法是使用OpenMP进行线程管理。 The problem is that I'm not familar yet with OpenMP..
问题是我对OpenMP还不熟悉。
I tried to find an existing implementation of the generic ThreadPool with OpenMP, but I haven't find one so far. 我试图用OpenMP找到通用ThreadPool的现有实现,但到目前为止我还没找到。 What I would like to have in the end is something very similar to
java.util.concurrent.ThreadPoolExecutor
: 我最终想要的是与
java.util.concurrent.ThreadPoolExecutor
非常类似的东西:
template <typename Return, typename Task>
class ThreadPoolExecutor
{
public:
ThreadPoolExecutor(int threadCount);
// asyncronous invoke
boost::unique_future<Return> submit(const TaskPtr & task);
// blocking call
std::vector<Return> invokeAll(const std::vector<TaskPtr> & tasks)
{
// submit all tasks + wait for completion
#pragma omp parallel default(shared)
{
// call tasks here
}
}
};
I have several questions about this approach: 我有几个关于这种方法的问题:
Is there existing implementation of thread pool with OpenMP for C++? 是否存在使用OpenMP for C ++的线程池实现? [I know I can implement threadpool with boost::asio::io_service, but I would prefer not depend on it]
[我知道我可以用boost :: asio :: io_service实现threadpool,但我宁愿不依赖它]
With my design - how can we guarantee that the OpenMP threads will be 'owned' by the concrete ThreadPoolExecutor instance? 通过我的设计 - 我们如何保证OpenMP线程将由具体的ThreadPoolExecutor实例“拥有”? They should not be static for all instances.
对于所有实例,它们不应该是静态的。
Thank you for any advice & constructive critics of this approach & proposals of other implementations. 感谢您对此方法的任何建议和建设性批评以及其他实现的建议。
Just to sum up: as described in the comments OpenMP is not an option for implementing generic thread pool or executor, because: 总结一下:如评论中所述,OpenMP不是实现通用线程池或执行器的选项,因为:
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