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matyhtf avatar matyhtf commented on September 22, 2024

异步 Server 在执行完 onMessage 回调之后协程就会退出,而 Coroutine Server 不同,同一个客户端连接总会有一个协程,因此 250 个客户端就会有 250 协程,需要占用内存。

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xuanyanwow avatar xuanyanwow commented on September 22, 2024

异步 Server 在执行完 onMessage 回调之后协程就会退出,而 Coroutine Server 不同,同一个客户端连接总会有一个协程,因此 250 个客户端就会有 250 协程,需要占用内存。

250个协程不至于造成3倍的资源消耗吧

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matyhtf avatar matyhtf commented on September 22, 2024

3倍只是巧合

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xuanyanwow avatar xuanyanwow commented on September 22, 2024

并不是纠结于这个“3”,而是对于其中的消耗点想要更详细的了解

run(function () {
    $i = 250;
    while ($i--) {
        Coroutine::create(function () {
            while (true) {
                sleep(1);
            }
        });
    }

    // 内存使用
    $memory = memory_get_usage();
    $memory = $memory / 1024;
    $memory = $memory / 1024;
    $memory = round($memory, 2);
    echo '当前内存使用:' . $memory . 'MB' . PHP_EOL;

    $channel = new Channel(1);
    $channel->pop();
});

当前内存使用:3.84MB

而上面的实验结果差异为:54-18=36MB,不止协程占用的内存消耗

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