{"id":114974,"date":"2024-03-23T00:50:55","date_gmt":"2024-03-22T15:50:55","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%ae%e3%83%9e%e3%83%ab%e3%83%81%e3%83%97%e3%83%ad%e3%82%bb%e3%82%b9%e5%87%a6%e7%90%86\/"},"modified":"2024-04-04T05:55:01","modified_gmt":"2024-04-03T20:55:01","slug":"python%e3%81%ae%e3%83%9e%e3%83%ab%e3%83%81%e3%83%97%e3%83%ad%e3%82%bb%e3%82%b9%e5%87%a6%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%ae%e3%83%9e%e3%83%ab%e3%83%81%e3%83%97%e3%83%ad%e3%82%bb%e3%82%b9%e5%87%a6%e7%90%86\/","title":{"rendered":"Python\u306e\u30de\u30eb\u30c1\u30d7\u30ed\u30bb\u30b9\u51e6\u7406"},"content":{"rendered":"<p>Python\u306e\u30d7\u30ed\u30bb\u30b9\u30d7\u30fc\u30eb\u306f\u3001multiprocessing\u30e2\u30b8\u30e5\u30fc\u30eb\u306ePool\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306b\u7c21\u5358\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u30d7\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u4e26\u5217\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3059\u3082\u306e\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> multiprocessing\r\n\r\n<span class=\"hljs-comment\"># \u5b9a\u4e49\u4e00\u4e2a\u4efb\u52a1\u51fd\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u5e73\u65b9<\/span>\r\n<span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title function_\">square<\/span>(<span class=\"hljs-params\">x<\/span>):\r\n    <span class=\"hljs-keyword\">return<\/span> x ** <span class=\"hljs-number\">2<\/span>\r\n\r\n<span class=\"hljs-keyword\">if<\/span> __name__ == <span class=\"hljs-string\">'__main__'<\/span>:\r\n    <span class=\"hljs-comment\"># \u521b\u5efa\u4e00\u4e2a\u8fdb\u7a0b\u6c60\uff0c\u6307\u5b9a\u6700\u5927\u8fdb\u7a0b\u6570\u4e3a4<\/span>\r\n    pool = multiprocessing.Pool(processes=<span class=\"hljs-number\">4<\/span>)\r\n\r\n    <span class=\"hljs-comment\"># \u5b9a\u4e49\u8981\u8ba1\u7b97\u7684\u6570\u636e<\/span>\r\n    data = [<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">5<\/span>, <span class=\"hljs-number\">6<\/span>, <span class=\"hljs-number\">7<\/span>, <span class=\"hljs-number\">8<\/span>, <span class=\"hljs-number\">9<\/span>, <span class=\"hljs-number\">10<\/span>]\r\n\r\n    <span class=\"hljs-comment\"># \u4f7f\u7528\u8fdb\u7a0b\u6c60\u5e76\u884c\u8ba1\u7b97\u5e73\u65b9<\/span>\r\n    results = pool.<span class=\"hljs-built_in\">map<\/span>(square, data)\r\n\r\n    <span class=\"hljs-comment\"># \u5173\u95ed\u8fdb\u7a0b\u6c60<\/span>\r\n    pool.close()\r\n\r\n    <span class=\"hljs-comment\"># \u7b49\u5f85\u6240\u6709\u4efb\u52a1\u5b8c\u6210<\/span>\r\n    pool.join()\r\n\r\n    <span class=\"hljs-comment\"># \u6253\u5370\u7ed3\u679c<\/span>\r\n    <span class=\"hljs-built_in\">print<\/span>(results)\r\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u306e\u4f8b\u3067\u306f\u3001\u307e\u305a\u6700\u5927\u30d7\u30ed\u30bb\u30b9\u306e\u6570\u3092 4 \u3068\u6307\u5b9a\u3057\u3066\u30d7\u30ed\u30bb\u30b9\u30d7\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u5e73\u65b9\u8a08\u7b97\u3092\u884c\u3046\u30bf\u30b9\u30af\u95a2\u6570 square \u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u7d9a\u3044\u3066\u3001\u8a08\u7b97\u3059\u308b\u30c7\u30fc\u30bf\u306e data \u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u30bf\u30b9\u30af\u95a2\u6570\u3068\u30c7\u30fc\u30bf\u306f pool.map \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u30d7\u30ed\u30bb\u30b9\u30d7\u30fc\u30eb\u306b\u6e21\u3055\u308c\u3001\u30d7\u30ed\u30bb\u30b9\u30d7\u30fc\u30eb\u306f\u81ea\u52d5\u7684\u306b\u7a7a\u3044\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u306b\u30bf\u30b9\u30af\u3092\u5272\u308a\u5f53\u3066\u3066\u4e26\u5217\u8a08\u7b97\u3092\u884c\u3044\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001pool.close \u3067\u30d7\u30ed\u30bb\u30b9\u30d7\u30fc\u30eb\u3092\u9589\u3058\u3066\u3001pool.join \u3067\u5168\u3066\u306e\u30bf\u30b9\u30af\u304c\u7d42\u308f\u308b\u307e\u3067\u5f85\u3061\u307e\u3059\u3002\u6700\u7d42\u7684\u306b\u3001\u8a08\u7b97\u7d50\u679c\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Windows \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u3001\u30de\u30eb\u30c1\u30d7\u30ed\u30bb\u30b9\u30d7\u30ed\u30b0\u30e9\u30e0\u306f if __name__ == &#8216;__main__&#8217;: \u4fdd\u8b77\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u30d7\u30ed\u30bb\u30b9\u30d7\u30fc\u30eb\u306e\u4f7f\u7528\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u306e\u30d7\u30ed\u30bb\u30b9\u30d7\u30fc\u30eb\u306f\u3001multiprocessing\u30e2\u30b8\u30e5\u30fc\u30eb\u306ePool\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002 \u4ee5\u4e0b\u306b\u7c21\u5358\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u30d7\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u4e26\u5217\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3059\u3082\u306e\u3067\u3059\u3002 impo [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-114974","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python\u306e\u30de\u30eb\u30c1\u30d7\u30ed\u30bb\u30b9\u51e6\u7406 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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