{"id":1123931,"date":"2025-01-08T19:37:00","date_gmt":"2025-01-08T11:37:00","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1123931.html"},"modified":"2025-01-08T19:37:03","modified_gmt":"2025-01-08T11:37:03","slug":"python%e5%a4%9a%e6%a0%b8%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1123931.html","title":{"rendered":"python\u591a\u6838\u670d\u52a1\u5668\u5982\u4f55\u4f7f\u7528\u624b\u518c"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25085205\/c7d59897-c685-4525-90ce-a47abf185863.webp\" alt=\"python\u591a\u6838\u670d\u52a1\u5668\u5982\u4f55\u4f7f\u7528\u624b\u518c\" \/><\/p>\n<p><p> <strong>\u5982\u4f55\u5728\u591a\u6838\u670d\u52a1\u5668\u4e0a\u4f7f\u7528Python\uff1a\u8be6\u7ec6\u6307\u5357<\/strong><\/p>\n<\/p>\n<p><p>\u5728\u591a\u6838\u670d\u52a1\u5668\u4e0a\u4f7f\u7528Python\u65f6\uff0c<strong>\u53ef\u4ee5\u901a\u8fc7\u5e76\u884c\u8ba1\u7b97\u3001\u7ebf\u7a0b\u548c\u8fdb\u7a0b\u7ba1\u7406\u3001\u5206\u5e03\u5f0f\u8ba1\u7b97<\/strong>\u7b49\u65b9\u5f0f\u5145\u5206\u5229\u7528\u591a\u6838\u8d44\u6e90\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u63cf\u8ff0\u5982\u4f55\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\u6765\u63d0\u9ad8Python\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u5c24\u5176\u662f\u9488\u5bf9\u4e8e\u591a\u6838\u670d\u52a1\u5668\u7684\u573a\u666f\u3002\u6211\u4eec\u5c06\u91cd\u70b9\u8ba8\u8bba\u5e76\u884c\u8ba1\u7b97\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5b9e\u73b0\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5206\u5e03\u5f0f\u8ba1\u7b97\u5e93\u3002<\/p>\n<\/p>\n<h2><strong>\u4e00\u3001\u5e76\u884c\u8ba1\u7b97<\/strong><\/h2>\n<p><p>\u5e76\u884c\u8ba1\u7b97\u662f\u6307\u5c06\u4efb\u52a1\u5206\u89e3\u6210\u591a\u4e2a\u5b50\u4efb\u52a1\uff0c\u5e76\u5728\u591a\u4e2a\u5904\u7406\u5668\u6216\u8ba1\u7b97\u8282\u70b9\u4e0a\u540c\u65f6\u6267\u884c\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5e76\u884c\u8ba1\u7b97\u7684\u5de5\u5177\u548c\u5e93\uff0c\u6700\u5e38\u7528\u7684\u5305\u62ec<code>multiprocessing<\/code>\u548c<code>concurrent.futures<\/code>\u3002<\/p>\n<\/p>\n<p><h2>1. <code>multiprocessing<\/code>\u5e93<\/h2>\n<\/p>\n<p><p><code>multiprocessing<\/code>\u5e93\u662fPython\u6807\u51c6\u5e93\u7684\u4e00\u90e8\u5206\uff0c\u65e8\u5728\u901a\u8fc7\u521b\u5efa\u591a\u4e2a\u8fdb\u7a0b\u6765\u5b9e\u73b0\u5e76\u884c\u8ba1\u7b97\u3002\u76f8\u6bd4\u4e8e\u591a\u7ebf\u7a0b\uff0c\u591a\u8fdb\u7a0b\u80fd\u591f\u66f4\u597d\u5730\u5229\u7528\u591a\u6838\u670d\u52a1\u5668\u7684\u6027\u80fd\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u72ec\u7acb\u7684\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff08GIL\uff09\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import multiprocessing<\/p>\n<p>def worker(num):<\/p>\n<p>    &quot;&quot;&quot;\u7ebf\u7a0b\u5de5\u4f5c\u51fd\u6570&quot;&quot;&quot;<\/p>\n<p>    print(f&#39;Worker: {num}&#39;)<\/p>\n<p>if __name__ == &#39;__m<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n__&#39;:<\/p>\n<p>    jobs = []<\/p>\n<p>    for i in range(5):<\/p>\n<p>        p = multiprocessing.Process(target=worker, args=(i,))<\/p>\n<p>        jobs.append(p)<\/p>\n<p>        p.start()<\/p>\n<p>    for job in jobs:<\/p>\n<p>        job.join()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4ee5\u4e0a\u4ee3\u7801\u521b\u5efa\u4e865\u4e2a\u72ec\u7acb\u7684\u8fdb\u7a0b\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u6267\u884c<code>worker<\/code>\u51fd\u6570\uff0c\u8f93\u51fa\u5bf9\u5e94\u7684<code>num<\/code>\u503c\u3002<\/p>\n<\/p>\n<p><h2>2. <code>concurrent.futures<\/code>\u5e93<\/h2>\n<\/p>\n<p><p><code>concurrent.futures<\/code>\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7ea7\u522b\u7684\u63a5\u53e3\uff0c\u652f\u6301\u7ebf\u7a0b\u6c60\u548c\u8fdb\u7a0b\u6c60\u3002\u4f7f\u7528<code>ProcessPoolExecutor<\/code>\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u591a\u8fdb\u7a0b\u5e76\u884c\u8ba1\u7b97\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from concurrent.futures import ProcessPoolExecutor<\/p>\n<p>def worker(num):<\/p>\n<p>    &quot;&quot;&quot;\u7ebf\u7a0b\u5de5\u4f5c\u51fd\u6570&quot;&quot;&quot;<\/p>\n<p>    return f&#39;Worker: {num}&#39;<\/p>\n<p>if __name__ == &#39;__main__&#39;:<\/p>\n<p>    with ProcessPoolExecutor() as executor:<\/p>\n<p>        results = list(executor.map(worker, range(5)))<\/p>\n<p>    print(results)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>ProcessPoolExecutor<\/code>\u6765\u521b\u5efa\u4e00\u4e2a\u8fdb\u7a0b\u6c60\uff0c\u5e76\u901a\u8fc7<code>executor.map<\/code>\u65b9\u6cd5\u5c06\u4efb\u52a1\u5206\u53d1\u5230\u591a\u4e2a\u8fdb\u7a0b\u4e2d\u6267\u884c\u3002<\/p>\n<\/p>\n<h2><strong>\u4e8c\u3001\u7ebf\u7a0b\u548c\u8fdb\u7a0b\u7ba1\u7406<\/strong><\/h2>\n<p><p>\u5728\u591a\u6838\u670d\u52a1\u5668\u4e0a\u5145\u5206\u5229\u7528\u8d44\u6e90\u7684\u53e6\u4e00\u4e2a\u5173\u952e\u70b9\u662f\u6709\u6548\u7ba1\u7406\u7ebf\u7a0b\u548c\u8fdb\u7a0b\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5de5\u5177\u548c\u5e93\u6765\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n<p><h2>1. \u591a\u7ebf\u7a0b<\/h2>\n<\/p>\n<p><p>\u867d\u7136Python\u7684GIL\u9650\u5236\u4e86\u591a\u7ebf\u7a0b\u7684\u5e76\u884c\u6267\u884c\uff0c\u4f46\u5bf9\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u591a\u7ebf\u7a0b\u4ecd\u7136\u662f\u4e00\u4e2a\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002<code>threading<\/code>\u5e93\u662fPython\u6807\u51c6\u5e93\u7684\u4e00\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u521b\u5efa\u548c\u7ba1\u7406\u7ebf\u7a0b\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import threading<\/p>\n<p>def worker(num):<\/p>\n<p>    &quot;&quot;&quot;\u7ebf\u7a0b\u5de5\u4f5c\u51fd\u6570&quot;&quot;&quot;<\/p>\n<p>    print(f&#39;Worker: {num}&#39;)<\/p>\n<p>if __name__ == &#39;__main__&#39;:<\/p>\n<p>    threads = []<\/p>\n<p>    for i in range(5):<\/p>\n<p>        t = threading.Thread(target=worker, args=(i,))<\/p>\n<p>        threads.append(t)<\/p>\n<p>        t.start()<\/p>\n<p>    for t in threads:<\/p>\n<p>        t.join()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e865\u4e2a\u7ebf\u7a0b\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u6267\u884c<code>worker<\/code>\u51fd\u6570\uff0c\u8f93\u51fa\u5bf9\u5e94\u7684<code>num<\/code>\u503c\u3002<\/p>\n<\/p>\n<p><h2>2. \u8fdb\u7a0b\u6c60<\/h2>\n<\/p>\n<p><p><code>multiprocessing<\/code>\u5e93\u8fd8\u63d0\u4f9b\u4e86<code>Pool<\/code>\u7c7b\uff0c\u7528\u4e8e\u521b\u5efa\u8fdb\u7a0b\u6c60\u3002\u8fdb\u7a0b\u6c60\u53ef\u4ee5\u7ba1\u7406\u591a\u4e2a\u8fdb\u7a0b\uff0c\u5e76\u5c06\u4efb\u52a1\u5206\u53d1\u7ed9\u7a7a\u95f2\u7684\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from multiprocessing import Pool<\/p>\n<p>def worker(num):<\/p>\n<p>    &quot;&quot;&quot;\u7ebf\u7a0b\u5de5\u4f5c\u51fd\u6570&quot;&quot;&quot;<\/p>\n<p>    return f&#39;Worker: {num}&#39;<\/p>\n<p>if __name__ == &#39;__main__&#39;:<\/p>\n<p>    with Pool(5) as p:<\/p>\n<p>        print(p.map(worker, range(5)))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b5\u4e2a\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u6c60\uff0c\u5e76\u4f7f\u7528<code>p.map<\/code>\u65b9\u6cd5\u5c06\u4efb\u52a1\u5206\u53d1\u7ed9\u8fdb\u7a0b\u6c60\u4e2d\u7684\u8fdb\u7a0b\u6267\u884c\u3002<\/p>\n<\/p>\n<h2><strong>\u4e09\u3001\u5206\u5e03\u5f0f\u8ba1\u7b97<\/strong><\/h2>\n<p><p>\u5206\u5e03\u5f0f\u8ba1\u7b97\u662f\u4e00\u79cd\u9ad8\u7ea7\u7684\u5e76\u884c\u8ba1\u7b97\u5f62\u5f0f\uff0c\u6d89\u53ca\u5c06\u4efb\u52a1\u5206\u914d\u5230\u591a\u4e2a\u8ba1\u7b97\u8282\u70b9\u6267\u884c\u3002Python\u63d0\u4f9b\u4e86\u591a\u4e2a\u5e93\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u8ba1\u7b97\uff0c\u5305\u62ec<code>dask<\/code>\u3001<code>ray<\/code>\u548c<code>celery<\/code>\u3002<\/p>\n<\/p>\n<p><h2>1. <code>Dask<\/code><\/h2>\n<\/p>\n<p><p><code>Dask<\/code>\u662f\u4e00\u4e2a\u7075\u6d3b\u7684\u5e76\u884c\u8ba1\u7b97\u5e93\uff0c\u652f\u6301\u591a\u79cd\u5e76\u884c\u8ba1\u7b97\u6a21\u5f0f\u3002\u5b83\u53ef\u4ee5\u5728\u5355\u4e2a\u591a\u6838\u673a\u5668\u4e0a\u8fd0\u884c\uff0c\u4e5f\u53ef\u4ee5\u5728\u5206\u5e03\u5f0f\u96c6\u7fa4\u4e2d\u8fd0\u884c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import dask.array as da<\/p>\n<h2><strong>\u521b\u5efa\u4e00\u4e2a\u5927\u6570\u7ec4<\/strong><\/h2>\n<p>x = da.random.random((10000, 10000), chunks=(1000, 1000))<\/p>\n<h2><strong>\u8ba1\u7b97\u6570\u7ec4\u7684\u5747\u503c<\/strong><\/h2>\n<p>result = x.mean().compute()<\/p>\n<p>print(result)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>dask.array<\/code>\u521b\u5efa\u4e86\u4e00\u4e2a\u5927\u6570\u7ec4\uff0c\u5e76\u8ba1\u7b97\u5176\u5747\u503c\u3002<code>Dask<\/code>\u4f1a\u81ea\u52a8\u5c06\u8ba1\u7b97\u4efb\u52a1\u5206\u89e3\u6210\u591a\u4e2a\u5b50\u4efb\u52a1\uff0c\u5e76\u5728\u591a\u4e2a\u5904\u7406\u5668\u4e0a\u5e76\u884c\u6267\u884c\u3002<\/p>\n<\/p>\n<p><h2>2. <code>Ray<\/code><\/h2>\n<\/p>\n<p><p><code>Ray<\/code>\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u8ba1\u7b97\u5e93\uff0c\u652f\u6301\u4efb\u52a1\u8c03\u5ea6\u3001\u6570\u636e\u5171\u4eab\u548c\u5206\u5e03\u5f0f\u8bad\u7ec3\u7b49\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import ray<\/p>\n<p>ray.init()<\/p>\n<p>@ray.remote<\/p>\n<p>def worker(num):<\/p>\n<p>    return f&#39;Worker: {num}&#39;<\/p>\n<p>if __name__ == &#39;__main__&#39;:<\/p>\n<p>    futures = [worker.remote(i) for i in range(5)]<\/p>\n<p>    results = ray.get(futures)<\/p>\n<p>    print(results)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>Ray<\/code>\u521b\u5efa\u4e86\u4e00\u4e2a\u5206\u5e03\u5f0f\u8ba1\u7b97\u4efb\u52a1\uff0c\u5e76\u901a\u8fc7<code>ray.get<\/code>\u65b9\u6cd5\u83b7\u53d6\u4efb\u52a1\u7684\u7ed3\u679c\u3002<\/p>\n<\/p>\n<p><h2>3. <code>Celery<\/code><\/h2>\n<\/p>\n<p><p><code>Celery<\/code>\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u4efb\u52a1\u961f\u5217\uff0c\u5e7f\u6cdb\u7528\u4e8e\u5206\u5e03\u5f0f\u8ba1\u7b97\u548c\u4efb\u52a1\u8c03\u5ea6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from celery import Celery<\/p>\n<p>app = Celery(&#39;tasks&#39;, broker=&#39;pyamqp:\/\/guest@localhost\/\/&#39;)<\/p>\n<p>@app.task<\/p>\n<p>def worker(num):<\/p>\n<p>    return f&#39;Worker: {num}&#39;<\/p>\n<p>if __name__ == &#39;__main__&#39;:<\/p>\n<p>    result = worker.delay(5)<\/p>\n<p>    print(result.get())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>Celery<\/code>\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5206\u5e03\u5f0f\u4efb\u52a1\uff0c\u5e76\u901a\u8fc7<code>worker.delay<\/code>\u65b9\u6cd5\u5c06\u4efb\u52a1\u53d1\u9001\u5230\u4efb\u52a1\u961f\u5217\u4e2d\u6267\u884c\u3002<\/p>\n<\/p>\n<h2><strong>\u56db\u3001\u6027\u80fd\u4f18\u5316<\/strong><\/h2>\n<p><p>\u5728\u591a\u6838\u670d\u52a1\u5668\u4e0a\u8fd0\u884cPython\u7a0b\u5e8f\u65f6\uff0c\u6027\u80fd\u4f18\u5316\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u6027\u80fd\u4f18\u5316\u6280\u5de7\uff1a<\/p>\n<\/p>\n<p><h2>1. \u4f7f\u7528\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784<\/h2>\n<\/p>\n<p><p>\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>numpy<\/code>\u6570\u7ec4\u4ee3\u66ffPython\u5217\u8868\u53ef\u4ee5\u63d0\u9ad8\u6570\u503c\u8ba1\u7b97\u7684\u6548\u7387\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<h2><strong>\u4f7f\u7528numpy\u6570\u7ec4\u8fdb\u884c\u6570\u503c\u8ba1\u7b97<\/strong><\/h2>\n<p>a = np.array([1, 2, 3, 4, 5])<\/p>\n<p>b = np.array([6, 7, 8, 9, 10])<\/p>\n<p>result = a + b<\/p>\n<p>print(result)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>2. \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97<\/h2>\n<\/p>\n<p><p>\u901a\u8fc7\u7f13\u5b58\u8ba1\u7b97\u7ed3\u679c\u6216\u4f7f\u7528\u52a8\u6001\u89c4\u5212\u6280\u672f\uff0c\u53ef\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u4f7f\u7528\u7f13\u5b58\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97<\/p>\n<p>cache = {}<\/p>\n<p>def fibonacci(n):<\/p>\n<p>    if n in cache:<\/p>\n<p>        return cache[n]<\/p>\n<p>    if n &lt;= 1:<\/p>\n<p>        return n<\/p>\n<p>    result = fibonacci(n-1) + fibonacci(n-2)<\/p>\n<p>    cache[n] = result<\/p>\n<p>    return result<\/p>\n<p>print(fibonacci(50))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>3. \u4f7f\u7528\u5e76\u884c\u7b97\u6cd5<\/h2>\n<\/p>\n<p><p>\u5e76\u884c\u7b97\u6cd5\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u901a\u8fc7\u5c06\u4efb\u52a1\u5206\u89e3\u6210\u591a\u4e2a\u5b50\u4efb\u52a1\uff0c\u5e76\u5728\u591a\u4e2a\u5904\u7406\u5668\u4e0a\u540c\u65f6\u6267\u884c\uff0c\u53ef\u4ee5\u52a0\u901f\u8ba1\u7b97\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from joblib import Parallel, delayed<\/p>\n<p>def worker(num):<\/p>\n<p>    return f&#39;Worker: {num}&#39;<\/p>\n<p>results = Parallel(n_jobs=5)(delayed(worker)(i) for i in range(5))<\/p>\n<p>print(results)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>joblib<\/code>\u5e93\u7684<code>Parallel<\/code>\u548c<code>delayed<\/code>\u51fd\u6570\u5b9e\u73b0\u4e86\u5e76\u884c\u8ba1\u7b97\u3002<\/p>\n<\/p>\n<p><h2>4. \u4f18\u5316I\/O\u64cd\u4f5c<\/h2>\n<\/p>\n<p><p>I\/O\u64cd\u4f5c\u901a\u5e38\u662f\u7a0b\u5e8f\u7684\u6027\u80fd\u74f6\u9888\u3002\u901a\u8fc7\u4f7f\u7528\u5f02\u6b65I\/O\u6216\u6279\u91cfI\/O\u64cd\u4f5c\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import aiohttp<\/p>\n<p>import asyncio<\/p>\n<p>async def fetch(session, url):<\/p>\n<p>    async with session.get(url) as response:<\/p>\n<p>        return await response.text()<\/p>\n<p>async def main():<\/p>\n<p>    async with aiohttp.ClientSession() as session:<\/p>\n<p>        tasks = [fetch(session, f&#39;https:\/\/example.com\/{i}&#39;) for i in range(5)]<\/p>\n<p>        results = await asyncio.gather(*tasks)<\/p>\n<p>        print(results)<\/p>\n<p>asyncio.run(main())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>aiohttp<\/code>\u548c<code>asyncio<\/code>\u5b9e\u73b0\u4e86\u5f02\u6b65I\/O\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<h2><strong>\u4e94\u3001\u603b\u7ed3<\/strong><\/h2>\n<p><p>\u5728\u591a\u6838\u670d\u52a1\u5668\u4e0a\u4f7f\u7528Python\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u5e76\u884c\u8ba1\u7b97\u3001\u7ebf\u7a0b\u548c\u8fdb\u7a0b\u7ba1\u7406\u3001\u5206\u5e03\u5f0f\u8ba1\u7b97\u7b49\u65b9\u5f0f\u5145\u5206\u5229\u7528\u591a\u6838\u8d44\u6e90\u3002\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u4e86<code>multiprocessing<\/code>\u3001<code>concurrent.futures<\/code>\u3001<code>Dask<\/code>\u3001<code>Ray<\/code>\u548c<code>Celery<\/code>\u7b49\u5e93\uff0c\u5e76\u63d0\u4f9b\u4e86\u591a\u79cd\u6027\u80fd\u4f18\u5316\u6280\u5de7\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u548c\u65b9\u6cd5\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8Python\u7a0b\u5e8f\u5728\u591a\u6838\u670d\u52a1\u5668\u4e0a\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5229\u7528\u591a\u6838\u5904\u7406\u5668\u63d0\u9ad8\u6027\u80fd\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528<code>multiprocessing<\/code>\u6a21\u5757\u6765\u5b9e\u73b0\u591a\u6838\u5904\u7406\u3002\u8fd9\u4e2a\u6a21\u5757\u5141\u8bb8\u4f60\u521b\u5efa\u591a\u4e2a\u8fdb\u7a0b\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u5728\u4e0d\u540c\u7684CPU\u6838\u5fc3\u4e0a\u8fd0\u884c\uff0c\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528<code>Process<\/code>\u7c7b\u6765\u521b\u5efa\u65b0\u8fdb\u7a0b\uff0c\u5e76\u901a\u8fc7<code>Queue<\/code>\u6216<code>Pipe<\/code>\u7b49\u673a\u5236\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u3002\u6b64\u5916\uff0c\u5229\u7528<code>Pool<\/code>\u7c7b\u53ef\u4ee5\u7b80\u5316\u591a\u4e2a\u8fdb\u7a0b\u7684\u7ba1\u7406\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<p><strong>\u5728\u591a\u6838\u670d\u52a1\u5668\u4e0a\u8fd0\u884cPython\u811a\u672c\u65f6\u9700\u8981\u6ce8\u610f\u54ea\u4e9b\u4e8b\u9879\uff1f<\/strong><br \/>\u5728\u591a\u6838\u670d\u52a1\u5668\u4e0a\u8fd0\u884cPython\u811a\u672c\u65f6\uff0c\u786e\u4fdd\u4f60\u7f16\u5199\u7684\u4ee3\u7801\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u7279\u522b\u662f\u5728\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u65f6\u3002\u6b64\u5916\uff0c\u4e86\u89e3\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff08GIL\uff09\u7684\u5f71\u54cd\u4e5f\u662f\u5173\u952e\u3002\u867d\u7136<code>multiprocessing<\/code>\u6a21\u5757\u53ef\u4ee5\u7ed5\u8fc7GIL\u7684\u9650\u5236\uff0c\u4f7f\u7528\u591a\u8fdb\u7a0b\u800c\u4e0d\u662f\u591a\u7ebf\u7a0b\u6765\u5b9e\u73b0\u5e76\u884c\u5904\u7406\u901a\u5e38\u4f1a\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002\u6b64\u5916\uff0c\u8003\u8651\u5982\u4f55\u5408\u7406\u5206\u914d\u4efb\u52a1\uff0c\u4ee5\u907f\u514d\u8fdb\u7a0b\u95f4\u7684\u7ade\u4e89\u548c\u7b49\u5f85\uff0c\u4ece\u800c\u63d0\u9ad8\u6574\u4f53\u7684\u6267\u884c\u6548\u7387\u3002<\/p>\n<p><strong>\u5982\u4f55\u76d1\u63a7\u548c\u4f18\u5316Python\u591a\u6838\u5e94\u7528\u7684\u6027\u80fd\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u5de5\u5177\u6765\u76d1\u63a7\u548c\u4f18\u5316Python\u591a\u6838\u5e94\u7528\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0c<code>cProfile<\/code>\u6a21\u5757\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5206\u6790\u7a0b\u5e8f\u7684\u8fd0\u884c\u65f6\u95f4\u548c\u6027\u80fd\u74f6\u9888\u3002\u7ed3\u5408<code>memory_profiler<\/code>\u548c<code>line_profiler<\/code>\u53ef\u4ee5\u6df1\u5165\u4e86\u89e3\u5185\u5b58\u548c\u65f6\u95f4\u7684\u4f7f\u7528\u60c5\u51b5\u3002\u6b64\u5916\uff0c\u4f7f\u7528<code>psutil<\/code>\u5e93\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7\u7cfb\u7edf\u8d44\u6e90\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u786e\u4fdd\u591a\u6838\u7a0b\u5e8f\u5728\u9ad8\u8d1f\u8f7d\u4e0b\u4f9d\u7136\u7a33\u5b9a\u8fd0\u884c\u3002\u4f18\u5316\u4ee3\u7801\u65f6\uff0c\u5173\u6ce8\u6570\u636e\u7ed3\u6784\u7684\u9009\u62e9\u548c\u7b97\u6cd5\u7684\u6548\u7387\u540c\u6837\u91cd\u8981\uff0c\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u6027\u80fd\u63d0\u5347\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5982\u4f55\u5728\u591a\u6838\u670d\u52a1\u5668\u4e0a\u4f7f\u7528Python\uff1a\u8be6\u7ec6\u6307\u5357 \u5728\u591a\u6838\u670d\u52a1\u5668\u4e0a\u4f7f\u7528Python\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u5e76\u884c\u8ba1\u7b97\u3001\u7ebf\u7a0b\u548c\u8fdb\u7a0b\u7ba1 [&hellip;]","protected":false},"author":3,"featured_media":1123945,"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\/1123931"}],"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=1123931"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1123931\/revisions"}],"predecessor-version":[{"id":1123948,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1123931\/revisions\/1123948"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1123945"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1123931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1123931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1123931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}