{"id":1122431,"date":"2025-01-08T19:20:34","date_gmt":"2025-01-08T11:20:34","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1122431.html"},"modified":"2025-01-08T19:20:36","modified_gmt":"2025-01-08T11:20:36","slug":"python%e5%a6%82%e4%bd%95%e6%af%8f%e4%b8%aa%e5%af%b9%e8%b1%a1%e4%b8%80%e8%bf%87%e8%bf%9b%e7%a8%8b%e8%bf%90%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1122431.html","title":{"rendered":"python\u5982\u4f55\u6bcf\u4e2a\u5bf9\u8c61\u4e00\u8fc7\u8fdb\u7a0b\u8fd0\u884c"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25084304\/29384fc5-2117-459f-b72e-f21019a4093a.webp\" alt=\"python\u5982\u4f55\u6bcf\u4e2a\u5bf9\u8c61\u4e00\u8fc7\u8fdb\u7a0b\u8fd0\u884c\" \/><\/p>\n<p><p> <strong>Python\u5982\u4f55\u6bcf\u4e2a\u5bf9\u8c61\u4e00\u4e2a\u8fdb\u7a0b\u8fd0\u884c<\/strong><\/p>\n<\/p>\n<p><p>Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u8fdb\u7a0b\u6765\u5b9e\u73b0\u6bcf\u4e2a\u5bf9\u8c61\u4e00\u4e2a\u8fdb\u7a0b\u8fd0\u884c\u3002<strong>\u4f7f\u7528multiprocessing\u6a21\u5757\u3001\u5b9e\u73b0\u5bf9\u8c61\u7684\u8fdb\u7a0b\u9694\u79bb\u3001\u63d0\u9ad8\u5e76\u884c\u5904\u7406\u6548\u7387\u3001\u907f\u514dGIL\u9650\u5236<\/strong>\u3002\u7279\u522b\u662f\uff0cmultiprocessing\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u5355\u800c\u5f3a\u5927\u7684\u65b9\u6cd5\u6765\u521b\u5efa\u548c\u7ba1\u7406\u72ec\u7acb\u7684\u8fdb\u7a0b\uff0c\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528\u591a\u6838CPU\u7684\u8ba1\u7b97\u80fd\u529b\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528multiprocessing\u6a21\u5757\u6765\u5b9e\u73b0\u6bcf\u4e2a\u5bf9\u8c61\u4e00\u4e2a\u8fdb\u7a0b\u8fd0\u884c\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001multiprocessing\u6a21\u5757\u7b80\u4ecb<\/h3>\n<\/p>\n<p><p>multiprocessing\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u7684\u4e00\u90e8\u5206\uff0c\u65e8\u5728\u652f\u6301\u591a\u8fdb\u7a0b\u5e76\u884c\u8ba1\u7b97\u3002\u4e0e\u591a\u7ebf\u7a0b\u4e0d\u540c\uff0c\u591a\u8fdb\u7a0b\u53ef\u4ee5\u7ed5\u8fc7Python\u7684\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff08GIL\uff09\uff0c\u4ece\u800c\u66f4\u6709\u6548\u5730\u5229\u7528\u591a\u6838CPU\u3002multiprocessing\u6a21\u5757\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u6838\u5fc3\u7ec4\u4ef6\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>Process\u7c7b<\/strong>\uff1a\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u72ec\u7acb\u7684\u8fdb\u7a0b\u3002<\/li>\n<li><strong>Queue\u7c7b<\/strong>\uff1a\u7528\u4e8e\u5728\u8fdb\u7a0b\u4e4b\u95f4\u5b89\u5168\u5730\u4f20\u9012\u6570\u636e\u3002<\/li>\n<li><strong>Pool\u7c7b<\/strong>\uff1a\u7528\u4e8e\u7ba1\u7406\u8fdb\u7a0b\u6c60\uff0c\u65b9\u4fbf\u5730\u5e76\u884c\u6267\u884c\u591a\u4e2a\u4efb\u52a1\u3002<\/li>\n<li><strong>Lock\u7c7b<\/strong>\uff1a\u7528\u4e8e\u540c\u6b65\u8fdb\u7a0b\uff0c\u907f\u514d\u7ade\u4e89\u6761\u4ef6\u3002<\/li>\n<\/ul>\n<p><h3>\u4e8c\u3001\u5b9e\u73b0\u5bf9\u8c61\u7684\u8fdb\u7a0b\u9694\u79bb<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u5b9e\u73b0\u6bcf\u4e2a\u5bf9\u8c61\u4e00\u4e2a\u8fdb\u7a0b\u8fd0\u884c\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5bf9\u8c61\u7684\u64cd\u4f5c\u903b\u8f91\u5c01\u88c5\u5728\u4e00\u4e2a\u72ec\u7acb\u7684\u8fdb\u7a0b\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528multiprocessing\u6a21\u5757\u521b\u5efa\u548c\u7ba1\u7406\u72ec\u7acb\u7684\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import multiprocessing<\/p>\n<p>class MyObject:<\/p>\n<p>    def __init__(self, name):<\/p>\n<p>        self.name = name<\/p>\n<p>    def run(self):<\/p>\n<p>        print(f&quot;Object {self.name} is running in process {multiprocessing.current_process().name}&quot;)<\/p>\n<p>def run_object(obj):<\/p>\n<p>    obj.run()<\/p>\n<p>if __name__ == &quot;__m<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n__&quot;:<\/p>\n<p>    obj1 = MyObject(&quot;Object1&quot;)<\/p>\n<p>    obj2 = MyObject(&quot;Object2&quot;)<\/p>\n<p>    process1 = multiprocessing.Process(target=run_object, args=(obj1,))<\/p>\n<p>    process2 = multiprocessing.Process(target=run_object, args=(obj2,))<\/p>\n<p>    process1.start()<\/p>\n<p>    process2.start()<\/p>\n<p>    process1.join()<\/p>\n<p>    process2.join()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e24\u4e2aMyObject\u5b9e\u4f8b\uff0c\u5e76\u4e3a\u6bcf\u4e2a\u5b9e\u4f8b\u521b\u5efa\u4e86\u4e00\u4e2a\u72ec\u7acb\u7684\u8fdb\u7a0b\u6765\u8fd0\u884c\u5b83\u4eec\u7684\u64cd\u4f5c\u903b\u8f91\u3002\u901a\u8fc7\u8c03\u7528<code>Process<\/code>\u7c7b\u7684<code>start<\/code>\u65b9\u6cd5\uff0c\u6211\u4eec\u542f\u52a8\u4e86\u72ec\u7acb\u7684\u8fdb\u7a0b\uff0c\u5e76\u901a\u8fc7<code>join<\/code>\u65b9\u6cd5\u7b49\u5f85\u5b83\u4eec\u5b8c\u6210\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u63d0\u9ad8\u5e76\u884c\u5904\u7406\u6548\u7387<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5904\u7406\u5927\u91cf\u5bf9\u8c61\uff0c\u5e76\u5e0c\u671b\u5145\u5206\u5229\u7528\u591a\u6838CPU\u7684\u8ba1\u7b97\u80fd\u529b\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528multiprocessing\u6a21\u5757\u7684<code>Pool<\/code>\u7c7b\u6765\u7ba1\u7406\u4e00\u4e2a\u8fdb\u7a0b\u6c60\uff0c\u5e76\u5e76\u884c\u5730\u6267\u884c\u591a\u4e2a\u4efb\u52a1\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import multiprocessing<\/p>\n<p>class MyObject:<\/p>\n<p>    def __init__(self, name):<\/p>\n<p>        self.name = name<\/p>\n<p>    def run(self):<\/p>\n<p>        print(f&quot;Object {self.name} is running in process {multiprocessing.current_process().name}&quot;)<\/p>\n<p>def run_object(obj):<\/p>\n<p>    obj.run()<\/p>\n<p>if __name__ == &quot;__main__&quot;:<\/p>\n<p>    objects = [MyObject(f&quot;Object{i}&quot;) for i in range(10)]<\/p>\n<p>    with multiprocessing.Pool(processes=4) as pool:<\/p>\n<p>        pool.map(run_object, objects)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e8610\u4e2aMyObject\u5b9e\u4f8b\uff0c\u5e76\u4f7f\u7528\u4e00\u4e2a\u5305\u542b4\u4e2a\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u6c60\u6765\u5e76\u884c\u5730\u6267\u884c\u5b83\u4eec\u7684\u64cd\u4f5c\u903b\u8f91\u3002\u901a\u8fc7\u4f7f\u7528<code>Pool<\/code>\u7c7b\u7684<code>map<\/code>\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u65b9\u4fbf\u5730\u5c06\u4efb\u52a1\u5206\u914d\u7ed9\u8fdb\u7a0b\u6c60\u4e2d\u7684\u591a\u4e2a\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u907f\u514dGIL\u9650\u5236<\/h3>\n<\/p>\n<p><p>Python\u7684GIL\u9650\u5236\u4e86\u591a\u7ebf\u7a0b\u7684\u5e76\u884c\u8ba1\u7b97\u80fd\u529b\uff0c\u4f46\u591a\u8fdb\u7a0b\u53ef\u4ee5\u7ed5\u8fc7\u8fd9\u4e00\u9650\u5236\u3002\u901a\u8fc7\u4f7f\u7528multiprocessing\u6a21\u5757\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u591a\u6838CPU\u4e0a\u5b9e\u73b0\u771f\u6b63\u7684\u5e76\u884c\u8ba1\u7b97\uff0c\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u8fdb\u7a0b\u95f4\u901a\u4fe1\u548c\u540c\u6b65<\/h3>\n<\/p>\n<p><p>\u5728\u591a\u8fdb\u7a0b\u7f16\u7a0b\u4e2d\uff0c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u548c\u540c\u6b65\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u95ee\u9898\u3002multiprocessing\u6a21\u5757\u63d0\u4f9b\u4e86\u591a\u79cd\u673a\u5236\u6765\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u7684\u901a\u4fe1\u548c\u540c\u6b65\uff0c\u5305\u62ecQueue\u3001Pipe\u3001Value\u3001Array\u548cLock\u7b49\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u4f7f\u7528Queue\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1<\/h4>\n<\/p>\n<p><p>Queue\u7c7b\u662f\u4e00\u4e2a\u7ebf\u7a0b\u548c\u8fdb\u7a0b\u5b89\u5168\u7684\u961f\u5217\uff0c\u9002\u7528\u4e8e\u5728\u8fdb\u7a0b\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Queue\u7c7b\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import multiprocessing<\/p>\n<p>def producer(queue):<\/p>\n<p>    for i in range(5):<\/p>\n<p>        queue.put(i)<\/p>\n<p>        print(f&quot;Produced {i}&quot;)<\/p>\n<p>def consumer(queue):<\/p>\n<p>    while not queue.empty():<\/p>\n<p>        item = queue.get()<\/p>\n<p>        print(f&quot;Consumed {item}&quot;)<\/p>\n<p>if __name__ == &quot;__main__&quot;:<\/p>\n<p>    queue = multiprocessing.Queue()<\/p>\n<p>    producer_process = multiprocessing.Process(target=producer, args=(queue,))<\/p>\n<p>    consumer_process = multiprocessing.Process(target=consumer, args=(queue,))<\/p>\n<p>    producer_process.start()<\/p>\n<p>    producer_process.join()<\/p>\n<p>    consumer_process.start()<\/p>\n<p>    consumer_process.join()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cproducer\u8fdb\u7a0b\u5c06\u6570\u636e\u653e\u5165\u961f\u5217\uff0c\u800cconsumer\u8fdb\u7a0b\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u6570\u636e\u3002\u901a\u8fc7\u4f7f\u7528Queue\u7c7b\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u8fdb\u7a0b\u4e4b\u95f4\u7684\u5b89\u5168\u901a\u4fe1\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u4f7f\u7528Lock\u8fdb\u884c\u8fdb\u7a0b\u540c\u6b65<\/h4>\n<\/p>\n<p><p>Lock\u7c7b\u7528\u4e8e\u540c\u6b65\u8fdb\u7a0b\uff0c\u907f\u514d\u7ade\u4e89\u6761\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Lock\u7c7b\u8fdb\u884c\u8fdb\u7a0b\u540c\u6b65\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import multiprocessing<\/p>\n<p>def increment(counter, lock):<\/p>\n<p>    with lock:<\/p>\n<p>        for _ in range(100):<\/p>\n<p>            counter.value += 1<\/p>\n<p>if __name__ == &quot;__main__&quot;:<\/p>\n<p>    counter = multiprocessing.Value(&#39;i&#39;, 0)<\/p>\n<p>    lock = multiprocessing.Lock()<\/p>\n<p>    processes = [multiprocessing.Process(target=increment, args=(counter, lock)) for _ in range(4)]<\/p>\n<p>    for p in processes:<\/p>\n<p>        p.start()<\/p>\n<p>    for p in processes:<\/p>\n<p>        p.join()<\/p>\n<p>    print(f&quot;Final counter value: {counter.value}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Lock\u7c7b\u6765\u540c\u6b65\u5bf9\u5171\u4eab\u8ba1\u6570\u5668\u7684\u8bbf\u95ee\uff0c\u786e\u4fdd\u6bcf\u4e2a\u8fdb\u7a0b\u5728\u66f4\u65b0\u8ba1\u6570\u5668\u65f6\u4e0d\u4f1a\u53d1\u751f\u7ade\u4e89\u6761\u4ef6\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n<p><p>\u591a\u8fdb\u7a0b\u7f16\u7a0b\u5728\u4ee5\u4e0b\u573a\u666f\u4e2d\u7279\u522b\u6709\u7528\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>CPU\u5bc6\u96c6\u578b\u4efb\u52a1<\/strong>\uff1a\u5982\u56fe\u50cf\u5904\u7406\u3001\u79d1\u5b66\u8ba1\u7b97\u548c\u52a0\u5bc6\u89e3\u5bc6\u7b49\u3002<\/li>\n<li><strong>I\/O\u5bc6\u96c6\u578b\u4efb\u52a1<\/strong>\uff1a\u5982\u7f51\u7edc\u722c\u866b\u3001\u6587\u4ef6\u8bfb\u5199\u548c\u6570\u636e\u5e93\u64cd\u4f5c\u7b49\u3002<\/li>\n<li><strong>\u591a\u6838CPU\u5229\u7528<\/strong>\uff1a\u5728\u591a\u6838CPU\u4e0a\u5b9e\u73b0\u771f\u6b63\u7684\u5e76\u884c\u8ba1\u7b97\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p><h3>\u4e03\u3001\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n<p><p>\u867d\u7136\u591a\u8fdb\u7a0b\u7f16\u7a0b\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u4f46\u4e5f\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u8fdb\u7a0b\u5f00\u9500<\/strong>\uff1a\u521b\u5efa\u548c\u7ba1\u7406\u8fdb\u7a0b\u9700\u8981\u4e00\u5b9a\u7684\u5f00\u9500\uff0c\u8fc7\u591a\u7684\u8fdb\u7a0b\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u8fdb\u7a0b\u95f4\u901a\u4fe1<\/strong>\uff1a\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u4ee3\u4ef7\u8f83\u9ad8\uff0c\u5e94\u5c3d\u91cf\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u4f20\u9012\u3002<\/li>\n<li><strong>\u8d44\u6e90\u5171\u4eab<\/strong>\uff1a\u8fdb\u7a0b\u4e4b\u95f4\u4e0d\u5171\u4eab\u5168\u5c40\u53d8\u91cf\uff0c\u9700\u8981\u901a\u8fc7\u8fdb\u7a0b\u95f4\u901a\u4fe1\u673a\u5236\u4f20\u9012\u6570\u636e\u3002<\/li>\n<\/ul>\n<p><h3>\u516b\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u4f7f\u7528multiprocessing\u6a21\u5757\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Python\u4e2d\u5b9e\u73b0\u6bcf\u4e2a\u5bf9\u8c61\u4e00\u4e2a\u8fdb\u7a0b\u8fd0\u884c\uff0c\u4ece\u800c\u63d0\u9ad8\u5e76\u884c\u5904\u7406\u6548\u7387\uff0c\u907f\u514dGIL\u9650\u5236\u3002multiprocessing\u6a21\u5757\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u5305\u62ec\u521b\u5efa\u548c\u7ba1\u7406\u72ec\u7acb\u7684\u8fdb\u7a0b\u3001\u8fdb\u7a0b\u95f4\u901a\u4fe1\u548c\u540c\u6b65\u7b49\u3002\u5e0c\u671b\u672c\u6587\u7684\u4ecb\u7ecd\u80fd\u591f\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u591a\u8fdb\u7a0b\u7f16\u7a0b\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u8fdb\u7a0b\u7ba1\u7406\u548c\u901a\u4fe1\u673a\u5236\uff0c\u5145\u5206\u5229\u7528\u591a\u6838CPU\u7684\u8ba1\u7b97\u80fd\u529b\uff0c\u5b9e\u73b0\u9ad8\u6548\u7684\u5e76\u884c\u8ba1\u7b97\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u591a\u8fdb\u7a0b\u5904\u7406\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>multiprocessing<\/code>\u6a21\u5757\u6765\u5b9e\u73b0\u591a\u8fdb\u7a0b\u5904\u7406\u3002\u8be5\u6a21\u5757\u5141\u8bb8\u4f60\u521b\u5efa\u591a\u4e2a\u8fdb\u7a0b\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u72ec\u7acb\u8fd0\u884c\u5e76\u6267\u884c\u4e0d\u540c\u7684\u4efb\u52a1\u3002\u4f7f\u7528<code>Process<\/code>\u7c7b\uff0c\u4f60\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u5bf9\u8c61\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u8fdb\u7a0b\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">from multiprocessing import Process\n\ndef task(obj):\n    print(f&quot;Processing {obj}&quot;)\n\nif __name__ == &quot;__main__&quot;:\n    objects = [1, 2, 3, 4, 5]\n    processes = []\n\n    for obj in objects:\n        p = Process(target=task, args=(obj,))\n        processes.append(p)\n        p.start()\n\n    for p in processes:\n        p.join()\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u4e3a\u6bcf\u4e2a\u5bf9\u8c61\u542f\u52a8\u4e00\u4e2a\u65b0\u7684\u8fdb\u7a0b\u6765\u8fd0\u884c<code>task<\/code>\u51fd\u6570\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u5982\u4f55\u7ba1\u7406\u8fdb\u7a0b\u95f4\u7684\u901a\u4fe1\uff1f<\/strong><br \/>\u5728\u591a\u8fdb\u7a0b\u7f16\u7a0b\u4e2d\uff0c\u8fdb\u7a0b\u95f4\u7684\u901a\u4fe1\u53ef\u4ee5\u4f7f\u7528<code>Queue<\/code>\u6216<code>Pipe<\/code>\u6765\u5b9e\u73b0\u3002\u8fd9\u4e9b\u5de5\u5177\u5141\u8bb8\u4e0d\u540c\u7684\u8fdb\u7a0b\u4e4b\u95f4\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>Queue<\/code>\u53ef\u4ee5\u8ba9\u4e00\u4e2a\u8fdb\u7a0b\u5c06\u7ed3\u679c\u53d1\u9001\u5230\u53e6\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u4fbf\u4e8e\u6570\u636e\u5171\u4eab\u548c\u5904\u7406\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">from multiprocessing import Process, Queue\n\ndef worker(queue, obj):\n    result = obj * 2  # \u5047\u8bbe\u7684\u5904\u7406\n    queue.put(result)\n\nif __name__ == &quot;__main__&quot;:\n    queue = Queue()\n    processes = []\n    objects = [1, 2, 3, 4, 5]\n\n    for obj in objects:\n        p = Process(target=worker, args=(queue, obj))\n        processes.append(p)\n        p.start()\n\n    for p in processes:\n        p.join()\n\n    results = [queue.get() for _ in processes]\n    print(results)\n<\/code><\/pre>\n<p>\u6b64\u4ee3\u7801\u6f14\u793a\u5982\u4f55\u4f7f\u7528<code>Queue<\/code>\u6765\u83b7\u53d6\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u5904\u7406\u7ed3\u679c\u3002<\/p>\n<p><strong>\u591a\u8fdb\u7a0b\u5904\u7406\u5728Python\u4e2d\u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\uff1f<\/strong><br \/>\u591a\u8fdb\u7a0b\u5904\u7406\u5728Python\u4e2d\u9002\u7528\u4e8eCPU\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u6bd4\u5982\u6570\u636e\u5904\u7406\u3001\u56fe\u50cf\u5904\u7406\u548c\u79d1\u5b66\u8ba1\u7b97\u7b49\u573a\u666f\u3002\u901a\u8fc7\u5c06\u4efb\u52a1\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\u3002\u4e0e\u6b64\u540c\u65f6\uff0cI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u5982\u7f51\u7edc\u8bf7\u6c42\u548c\u6587\u4ef6\u8bfb\u53d6\uff0c\u4e5f\u80fd\u53d7\u76ca\u4e8e\u591a\u8fdb\u7a0b\u5904\u7406\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5728\u7b49\u5f85I\/O\u64cd\u4f5c\u5b8c\u6210\u65f6\u6267\u884c\u5176\u4ed6\u4efb\u52a1\u3002\u8fd9\u79cd\u65b9\u5f0f\u80fd\u591f\u6709\u6548\u5229\u7528\u7cfb\u7edf\u8d44\u6e90\uff0c\u63d0\u5347\u7a0b\u5e8f\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5982\u4f55\u6bcf\u4e2a\u5bf9\u8c61\u4e00\u4e2a\u8fdb\u7a0b\u8fd0\u884c Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u8fdb\u7a0b\u6765\u5b9e\u73b0\u6bcf\u4e2a\u5bf9\u8c61\u4e00\u4e2a\u8fdb\u7a0b\u8fd0\u884c\u3002\u4f7f\u7528multi [&hellip;]","protected":false},"author":3,"featured_media":1122441,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1122431"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1122431"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1122431\/revisions"}],"predecessor-version":[{"id":1122444,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1122431\/revisions\/1122444"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1122441"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1122431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1122431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1122431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}