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Posted to dev@brpc.apache.org by GitBox <gi...@apache.org> on 2022/04/24 03:46:19 UTC
[GitHub] [incubator-brpc] yanglimingcn opened a new issue, #1749: butex_wake*的需求
yanglimingcn opened a new issue, #1749:
URL: https://github.com/apache/incubator-brpc/issues/1749
有些场景，在butex_wake*的时候不希望被唤醒的bthread马上和现在的bthread交换投入执行，比如，execution_queue是一个多生产者单消费者的队列，多生产者生成任务然后等待消费者将任务处理完成（比如：调用CountdownEvent::wait），消费者处理完任务唤醒生产者（比如：调用CountdownEvent::wait），在此过程中会频繁的触发协程的exchange。
需求：因为消费者是单线程，往往是性能的瓶颈点，需要最快的完成任务，如果消费者在处理完每个任务，只将消费者投入运行队列，并且能批量执行signal，这样性能应该会好很多。
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[GitHub] [incubator-brpc] wwbmmm closed issue #1749: butex_wake*支持nosignal的需求
Posted by GitBox <gi...@apache.org>.
wwbmmm closed issue #1749: butex_wake*支持nosignal的需求
URL: https://github.com/apache/incubator-brpc/issues/1749
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[GitHub] [incubator-brpc] wwbmmm commented on issue #1749: butex_wake*的需求
Posted by GitBox <gi...@apache.org>.
wwbmmm commented on issue #1749:
URL: https://github.com/apache/incubator-brpc/issues/1749#issuecomment-1107714295
你是希望提供类似butex_wake_urgent/butex_wake_background这样的函数吗？
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[GitHub] [incubator-brpc] yanglimingcn commented on issue #1749: butex_wake*的需求
Posted by GitBox <gi...@apache.org>.
yanglimingcn commented on issue #1749:
URL: https://github.com/apache/incubator-brpc/issues/1749#issuecomment-1107781166
是的，类似这样的功能，我现在改了一下 int butex_wake_all(void* arg, bool nodelay)，加个了参数，如果nodelay = false就统一走ready_to_run_general，不走下边的TaskGroup::exchange。
但是这个改动不一定优雅，可能需要你们的综合设计。
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[GitHub] [incubator-brpc] wwbmmm commented on issue #1749: butex_wake*的需求
Posted by GitBox <gi...@apache.org>.
wwbmmm commented on issue #1749:
URL: https://github.com/apache/incubator-brpc/issues/1749#issuecomment-1107797274
可以提个PR看看
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