{"id":975083,"date":"2024-12-27T06:10:23","date_gmt":"2024-12-26T22:10:23","guid":{"rendered":""},"modified":"2024-12-27T06:10:25","modified_gmt":"2024-12-26T22:10:25","slug":"python%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e5%8f%8c%e7%ba%bf%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/975083.html","title":{"rendered":"python\u5982\u4f55\u5b9e\u73b0\u53cc\u7ebf\u7a0b"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24200506\/37c8a2a7-8af6-4ab3-9d21-c4986eb91d72.webp\" alt=\"python\u5982\u4f55\u5b9e\u73b0\u53cc\u7ebf\u7a0b\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u5b9e\u73b0\u53cc\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u4f7f\u7528<code>threading<\/code>\u6a21\u5757\u3001\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\u3001\u5b9a\u4e49\u7ebf\u7a0b\u51fd\u6570<\/strong>\u3002\u901a\u8fc7\u4f7f\u7528<code>threading<\/code>\u6a21\u5757\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u548c\u7ba1\u7406\u7ebf\u7a0b\u3002\u9996\u5148\uff0c\u5b9a\u4e49\u4e00\u4e2a\u7ebf\u7a0b\u51fd\u6570\uff0c\u5b83\u662f\u7ebf\u7a0b\u6267\u884c\u7684\u4ee3\u7801\u3002\u63a5\u7740\uff0c\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\uff0c\u4f20\u5165\u76ee\u6807\u51fd\u6570\u548c\u53c2\u6570\u3002\u6700\u540e\uff0c\u8c03\u7528\u7ebf\u7a0b\u5bf9\u8c61\u7684<code>start()<\/code>\u65b9\u6cd5\u542f\u52a8\u7ebf\u7a0b\u3002Python\u4e2d\u7684GIL\uff08\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff09\u53ef\u80fd\u4f1a\u9650\u5236\u591a\u7ebf\u7a0b\u7684\u6027\u80fd\u63d0\u5347\uff0c\u56e0\u6b64\u5728I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u4e2d\u4f7f\u7528\u591a\u7ebf\u7a0b\u66f4\u4e3a\u6709\u6548\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001PYTHON\u4e2d\u7684\u591a\u7ebf\u7a0b\u57fa\u7840<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u591a\u7ebf\u7a0b\u662f\u4e00\u79cd\u5b9e\u73b0\u5e76\u53d1\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5728\u7a0b\u5e8f\u4e2d\u540c\u65f6\u6267\u884c\u591a\u4e2a\u7ebf\u7a0b\u3002Python\u7684<code>threading<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u521b\u5efa\u548c\u7ba1\u7406\u7ebf\u7a0b\u7684\u529f\u80fd\u3002\u591a\u7ebf\u7a0b\u9002\u5408\u7528\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u4f8b\u5982\u6587\u4ef6\u8bfb\u5199\u3001\u7f51\u7edc\u8bf7\u6c42\u7b49\u3002<\/p>\n<\/p>\n<p><p>1.1 <code>threading<\/code>\u6a21\u5757<\/p>\n<\/p>\n<p><p><code>threading<\/code>\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u4e2d\u7528\u4e8e\u5b9e\u73b0\u591a\u7ebf\u7a0b\u7684\u6a21\u5757\u3002\u5b83\u63d0\u4f9b\u4e86\u521b\u5efa\u7ebf\u7a0b\u3001\u9501\u3001\u4e8b\u4ef6\u3001\u6761\u4ef6\u53d8\u91cf\u7b49\u529f\u80fd\u3002\u901a\u8fc7<code>threading<\/code>\u6a21\u5757\uff0c\u6211\u4eec\u53ef\u4ee5\u65b9\u4fbf\u5730\u7ba1\u7406\u7ebf\u7a0b\u7684\u751f\u547d\u5468\u671f\u548c\u540c\u6b65\u3002<\/p>\n<\/p>\n<p><p>1.2 GIL\uff08\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff09<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0cGIL\u662f\u4e00\u4e2a\u5168\u5c40\u9501\uff0c\u9650\u5236\u4e86\u540c\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u6267\u884cPython\u5b57\u8282\u7801\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5728\u591a\u7ebf\u7a0b\u4e2d\uff0cPython\u7684\u6027\u80fd\u63d0\u5347\u53ef\u80fd\u4f1a\u53d7\u5230\u9650\u5236\u3002GIL\u7684\u5b58\u5728\u4f7f\u5f97\u591a\u7ebf\u7a0b\u66f4\u9002\u5408\u7528\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u800c\u4e0d\u662fCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u521b\u5efa\u548c\u542f\u52a8\u7ebf\u7a0b<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u521b\u5efa\u548c\u542f\u52a8\u7ebf\u7a0b\u7684\u8fc7\u7a0b\u901a\u5e38\u5305\u62ec\u5b9a\u4e49\u7ebf\u7a0b\u51fd\u6570\u3001\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\u548c\u542f\u52a8\u7ebf\u7a0b\u3002<\/p>\n<\/p>\n<p><p>2.1 \u5b9a\u4e49\u7ebf\u7a0b\u51fd\u6570<\/p>\n<\/p>\n<p><p>\u7ebf\u7a0b\u51fd\u6570\u662f\u7ebf\u7a0b\u6267\u884c\u7684\u4ee3\u7801\u3002\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u666e\u901a\u7684Python\u51fd\u6570\uff0c\u4f5c\u4e3a\u7ebf\u7a0b\u7684\u6267\u884c\u4f53\u3002\u7ebf\u7a0b\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u53c2\u6570\uff0c\u5e76\u5728\u5185\u90e8\u6267\u884c\u4efb\u52a1\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def thread_function(name):<\/p>\n<p>    print(f&quot;Thread {name}: starting&quot;)<\/p>\n<p>    # \u6267\u884c\u4efb\u52a1<\/p>\n<p>    print(f&quot;Thread {name}: finishing&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>2.2 \u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61<\/p>\n<\/p>\n<p><p>\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\u65f6\uff0c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u7ebf\u7a0b\u51fd\u6570\u548c\u53c2\u6570\u3002\u53ef\u4ee5\u4f7f\u7528<code>threading.Thread<\/code>\u7c7b\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\uff0c\u5e76\u901a\u8fc7<code>target<\/code>\u53c2\u6570\u6307\u5b9a\u7ebf\u7a0b\u51fd\u6570\uff0c\u901a\u8fc7<code>args<\/code>\u53c2\u6570\u4f20\u9012\u53c2\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import threading<\/p>\n<p>thread = threading.Thread(target=thread_function, args=(1,))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>2.3 \u542f\u52a8\u7ebf\u7a0b<\/p>\n<\/p>\n<p><p>\u8c03\u7528\u7ebf\u7a0b\u5bf9\u8c61\u7684<code>start()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u542f\u52a8\u7ebf\u7a0b\u3002\u7ebf\u7a0b\u542f\u52a8\u540e\uff0c\u5c06\u5f00\u59cb\u6267\u884c\u7ebf\u7a0b\u51fd\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">thread.start()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e09\u3001\u7ebf\u7a0b\u540c\u6b65\u4e0e\u9501<\/p>\n<\/p>\n<p><p>\u5728\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\uff0c\u7ebf\u7a0b\u4e4b\u95f4\u53ef\u80fd\u9700\u8981\u5171\u4eab\u6570\u636e\u6216\u8d44\u6e90\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u7ebf\u7a0b\u540c\u6b65\u662f\u5fc5\u9700\u7684\uff0c\u4ee5\u907f\u514d\u6570\u636e\u7ade\u4e89\u548c\u4e0d\u4e00\u81f4\u95ee\u9898\u3002<code>threading<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u591a\u79cd\u540c\u6b65\u673a\u5236\uff0c\u5305\u62ec\u9501\u3001\u4e8b\u4ef6\u3001\u6761\u4ef6\u53d8\u91cf\u7b49\u3002<\/p>\n<\/p>\n<p><p>3.1 \u7ebf\u7a0b\u9501<\/p>\n<\/p>\n<p><p>\u7ebf\u7a0b\u9501\u662f\u4e00\u79cd\u540c\u6b65\u673a\u5236\uff0c\u7528\u4e8e\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>threading.Lock<\/code>\u521b\u5efa\u9501\u5bf9\u8c61\uff0c\u5e76\u901a\u8fc7<code>acquire()<\/code>\u548c<code>release()<\/code>\u65b9\u6cd5\u5bf9\u8d44\u6e90\u8fdb\u884c\u52a0\u9501\u548c\u89e3\u9501\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">lock = threading.Lock()<\/p>\n<p>def thread_function(name):<\/p>\n<p>    with lock:<\/p>\n<p>        # \u8bbf\u95ee\u5171\u4eab\u8d44\u6e90<\/p>\n<p>        pass<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>3.2 \u7ebf\u7a0b\u4e8b\u4ef6<\/p>\n<\/p>\n<p><p>\u7ebf\u7a0b\u4e8b\u4ef6\u662f\u4e00\u79cd\u7528\u4e8e\u7ebf\u7a0b\u4e4b\u95f4\u901a\u4fe1\u7684\u540c\u6b65\u673a\u5236\u3002\u4e8b\u4ef6\u5bf9\u8c61\u53ef\u4ee5\u7528\u6765\u901a\u77e5\u4e00\u4e2a\u6216\u591a\u4e2a\u7ebf\u7a0b\u67d0\u4e2a\u4e8b\u4ef6\u5df2\u7ecf\u53d1\u751f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">event = threading.Event()<\/p>\n<p>def thread_function(name):<\/p>\n<p>    event.w<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>t()  # \u7b49\u5f85\u4e8b\u4ef6<\/p>\n<p>    print(f&quot;Thread {name}: event triggered&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>3.3 \u6761\u4ef6\u53d8\u91cf<\/p>\n<\/p>\n<p><p>\u6761\u4ef6\u53d8\u91cf\u662f\u53e6\u4e00\u79cd\u540c\u6b65\u673a\u5236\uff0c\u5141\u8bb8\u7ebf\u7a0b\u7b49\u5f85\u67d0\u4e2a\u6761\u4ef6\u53d8\u4e3a\u771f\u3002\u53ef\u4ee5\u4f7f\u7528<code>threading.Condition<\/code>\u521b\u5efa\u6761\u4ef6\u53d8\u91cf\uff0c\u5e76\u7ed3\u5408\u9501\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">condition = threading.Condition()<\/p>\n<p>def thread_function(name):<\/p>\n<p>    with condition:<\/p>\n<p>        condition.wait()  # \u7b49\u5f85\u6761\u4ef6<\/p>\n<p>        print(f&quot;Thread {name}: condition met&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56db\u3001\u7ebf\u7a0b\u6c60\u4e0e\u5e76\u53d1\u6267\u884c<\/p>\n<\/p>\n<p><p>\u5bf9\u4e8e\u9700\u8981\u540c\u65f6\u6267\u884c\u5927\u91cf\u4efb\u52a1\u7684\u573a\u666f\uff0c\u4f7f\u7528\u7ebf\u7a0b\u6c60\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u7387\u3002Python\u7684<code>concurrent.futures<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u7ebf\u7a0b\u6c60\u6267\u884c\u5668\uff0c\u7528\u4e8e\u7ba1\u7406\u7ebf\u7a0b\u6c60\u548c\u4efb\u52a1\u3002<\/p>\n<\/p>\n<p><p>4.1 \u7ebf\u7a0b\u6c60\u6267\u884c\u5668<\/p>\n<\/p>\n<p><p>\u7ebf\u7a0b\u6c60\u6267\u884c\u5668\u662f\u4e00\u4e2a\u7ba1\u7406\u7ebf\u7a0b\u6c60\u7684\u9ad8\u7ea7\u63a5\u53e3\uff0c\u53ef\u4ee5\u7528\u4e8e\u63d0\u4ea4\u548c\u7ba1\u7406\u4efb\u52a1\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from concurrent.futures import ThreadPoolExecutor<\/p>\n<p>def thread_function(name):<\/p>\n<p>    print(f&quot;Thread {name}: starting&quot;)<\/p>\n<p>with ThreadPoolExecutor(max_workers=5) as executor:<\/p>\n<p>    executor.submit(thread_function, 1)<\/p>\n<p>    executor.submit(thread_function, 2)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>4.2 \u4efb\u52a1\u63d0\u4ea4\u4e0e\u7ed3\u679c\u83b7\u53d6<\/p>\n<\/p>\n<p><p>\u4f7f\u7528\u7ebf\u7a0b\u6c60\u6267\u884c\u5668\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7<code>submit()<\/code>\u65b9\u6cd5\u63d0\u4ea4\u4efb\u52a1\uff0c\u5e76\u901a\u8fc7<code>result()<\/code>\u65b9\u6cd5\u83b7\u53d6\u4efb\u52a1\u7684\u8fd4\u56de\u503c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">future = executor.submit(thread_function, 1)<\/p>\n<p>result = future.result()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e94\u3001\u7ebf\u7a0b\u5b89\u5168\u4e0e\u6700\u4f73\u5b9e\u8df5<\/p>\n<\/p>\n<p><p>\u5728\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\uff0c\u786e\u4fdd\u7ebf\u7a0b\u5b89\u5168\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<\/p>\n<p><p>5.1 \u907f\u514d\u5171\u4eab\u53ef\u53d8\u6570\u636e<\/p>\n<\/p>\n<p><p>\u5c3d\u91cf\u907f\u514d\u5728\u7ebf\u7a0b\u4e4b\u95f4\u5171\u4eab\u53ef\u53d8\u6570\u636e\u3002\u5982\u679c\u5fc5\u987b\u5171\u4eab\uff0c\u4f7f\u7528\u9501\u7b49\u540c\u6b65\u673a\u5236\u4fdd\u62a4\u6570\u636e\u3002<\/p>\n<\/p>\n<p><p>5.2 \u4f7f\u7528\u7ebf\u7a0b\u5b89\u5168\u7684\u6570\u636e\u7ed3\u6784<\/p>\n<\/p>\n<p><p>Python\u7684<code>queue.Queue<\/code>\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u53ef\u4ee5\u7528\u4e8e\u5728\u7ebf\u7a0b\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import queue<\/p>\n<p>q = queue.Queue()<\/p>\n<p>q.put(1)<\/p>\n<p>q.get()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>5.3 \u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u7ba1\u7406\u9501<\/p>\n<\/p>\n<p><p>\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u53ef\u4ee5\u7b80\u5316\u9501\u7684\u7ba1\u7406\uff0c\u786e\u4fdd\u5728\u4ee3\u7801\u5757\u7ed3\u675f\u65f6\u81ea\u52a8\u91ca\u653e\u9501\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with lock:<\/p>\n<p>    # \u8bbf\u95ee\u5171\u4eab\u8d44\u6e90<\/p>\n<p>    pass<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u516d\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\u5b9e\u73b0\u53cc\u7ebf\u7a0b\u53ef\u4ee5\u4f7f\u7528<code>threading<\/code>\u6a21\u5757\uff0c\u901a\u8fc7\u5b9a\u4e49\u7ebf\u7a0b\u51fd\u6570\u3001\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\u3001\u542f\u52a8\u7ebf\u7a0b\u6765\u5b9e\u73b0\u3002\u591a\u7ebf\u7a0b\u9002\u5408\u7528\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0cGIL\u7684\u5b58\u5728\u53ef\u80fd\u9650\u5236CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u6027\u80fd\u63d0\u5347\u3002\u7ebf\u7a0b\u540c\u6b65\u662f\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u53ef\u4ee5\u4f7f\u7528\u9501\u3001\u4e8b\u4ef6\u3001\u6761\u4ef6\u53d8\u91cf\u7b49\u673a\u5236\u786e\u4fdd\u7ebf\u7a0b\u5b89\u5168\u3002\u901a\u8fc7\u7ebf\u7a0b\u6c60\uff0c\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u548c\u6267\u884c\u5e76\u53d1\u4efb\u52a1\u3002\u5728\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\uff0c\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\uff0c\u786e\u4fdd\u7ebf\u7a0b\u5b89\u5168\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u53cc\u7ebf\u7a0b\u5728Python\u4e2d\u7684\u4f18\u52bf\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\u53cc\u7ebf\u7a0b\u53ef\u4ee5\u5e2e\u52a9\u63d0\u5347\u7a0b\u5e8f\u7684\u5e76\u53d1\u6027\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u65f6\uff0c\u4f8b\u5982\u6587\u4ef6\u64cd\u4f5c\u3001\u7f51\u7edc\u8bf7\u6c42\u7b49\u3002\u901a\u8fc7\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u7ebf\u7a0b\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5229\u7528CPU\u8d44\u6e90\uff0c\u51cf\u5c11\u7b49\u5f85\u65f6\u95f4\uff0c\u4ece\u800c\u63d0\u9ad8\u6574\u4f53\u6027\u80fd\u3002\u6b64\u5916\uff0c\u53cc\u7ebf\u7a0b\u80fd\u591f\u4f7f\u7528\u6237\u754c\u9762\u66f4\u52a0\u6d41\u7545\uff0c\u56e0\u4e3a\u5373\u4f7f\u5728\u8fdb\u884c\u8017\u65f6\u64cd\u4f5c\u65f6\uff0c\u7a0b\u5e8f\u4e5f\u80fd\u4fdd\u6301\u54cd\u5e94\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u548c\u7ba1\u7406\u7ebf\u7a0b\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>threading<\/code>\u6a21\u5757\u6765\u521b\u5efa\u548c\u7ba1\u7406\u7ebf\u7a0b\u3002\u9996\u5148\uff0c\u901a\u8fc7\u5bfc\u5165\u8be5\u6a21\u5757\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u7ebf\u7a0b\u7c7b\u6216\u76f4\u63a5\u4f7f\u7528<code>threading.Thread()<\/code>\u6765\u542f\u52a8\u65b0\u7ebf\u7a0b\u3002\u7ebf\u7a0b\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49<code>run()<\/code>\u65b9\u6cd5\u6765\u6267\u884c\u7279\u5b9a\u7684\u4efb\u52a1\u3002\u5728\u542f\u52a8\u7ebf\u7a0b\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\u6765\u7b49\u5f85\u7ebf\u7a0b\u5b8c\u6210\uff0c\u786e\u4fdd\u4e3b\u7a0b\u5e8f\u5728\u6240\u6709\u7ebf\u7a0b\u6267\u884c\u5b8c\u6bd5\u540e\u518d\u7ee7\u7eed\u8fd0\u884c\u3002<\/p>\n<p><strong>Python\u7684\u53cc\u7ebf\u7a0b\u5728\u591a\u6838\u5904\u7406\u5668\u4e0a\u8868\u73b0\u5982\u4f55\uff1f<\/strong><br \/>\u867d\u7136Python\u7684GIL\uff08\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff09\u9650\u5236\u4e86\u591a\u4e2a\u7ebf\u7a0b\u5728CPU\u5bc6\u96c6\u578b\u64cd\u4f5c\u4e2d\u7684\u5e76\u884c\u6267\u884c\uff0c\u4f46\u5bf9\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u53cc\u7ebf\u7a0b\u4ecd\u7136\u8868\u73b0\u51fa\u8272\u3002\u5728\u591a\u6838\u5904\u7406\u5668\u4e0a\uff0c\u5efa\u8bae\u4f7f\u7528\u591a\u8fdb\u7a0b\uff08\u5982<code>multiprocessing<\/code>\u6a21\u5757\uff09\u6765\u5145\u5206\u5229\u7528\u786c\u4ef6\u8d44\u6e90\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u8fdb\u7a0b\u6709\u81ea\u5df1\u72ec\u7acb\u7684GIL\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u7684CPU\u6838\u5fc3\u4e0a\u5e76\u884c\u8fd0\u884c\u3002\u5bf9\u4e8e\u9700\u8981\u5e76\u53d1\u7684\u7a0b\u5e8f\uff0c\u5408\u7406\u9009\u62e9\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u5c06\u663e\u8457\u5f71\u54cd\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5b9e\u73b0\u53cc\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u4f7f\u7528threading\u6a21\u5757\u3001\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\u3001\u5b9a\u4e49\u7ebf\u7a0b\u51fd\u6570\u3002\u901a\u8fc7\u4f7f\u7528threadi [&hellip;]","protected":false},"author":3,"featured_media":975087,"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\/975083"}],"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=975083"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/975083\/revisions"}],"predecessor-version":[{"id":975089,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/975083\/revisions\/975089"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/975087"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=975083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=975083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=975083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}