{"id":3606,"date":"2025-05-28T15:19:28","date_gmt":"2025-06-04T07:34:28","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3606"},"modified":"2025-06-04T15:19:28","modified_gmt":"2025-06-04T07:34:28","slug":"%e8%a7%a3%e6%b1%bapython%e4%b8%admemoryerror%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e8%a7%a3%e6%b1%bapython%e4%b8%admemoryerror%e7%9a%84%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u89e3\u6c7aPython\u4e2d\u7684MemoryError\uff1a2025\u5e74\u6700\u65b0\u65b9\u6cd5\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, MemoryError, Python\u7a0b\u5e8f\u512a\u5316, \u5167\u5b58\u7ba1\u7406\"><\/p>\n<h1>\u89e3\u6c7aPython\u4e2d\u7684MemoryError\uff1a2025\u5e74\u6700\u65b0\u65b9\u6cd5\u8207\u6700\u4f73\u5be6\u8e10<\/h1>\n<p>Python\u662f\u4e00\u7a2e\u6d41\u884c\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u7528\u65bc\u958b\u767c\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u3002\u7136\u800c\uff0c\u7576\u60a8\u5728\u57f7\u884cPython\u7a0b\u5e8f\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230MemoryError\u932f\u8aa4\u3002\u9019\u662f\u4e00\u7a2e\u5e38\u898b\u7684Python\u932f\u8aa4\uff0c\u8868\u793a\u7a0b\u5e8f\u8a66\u5716\u4f7f\u7528\u8d85\u51fa\u53ef\u7528\u5167\u5b58\u7684\u8cc7\u6e90\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662fMemoryError\uff1f<\/h2>\n<p>MemoryError\u662fPython\u4e2d\u4e00\u7a2e\u932f\u8aa4\u985e\u578b\uff0c\u7576\u7a0b\u5e8f\u8a66\u5716\u4f54\u7528\u8d85\u904e\u7cfb\u7d71\u53ef\u7528\u5167\u5b58\u7684\u7a7a\u9593\u6642\uff0c\u5c31\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u7a0b\u5e8f\u5d29\u6f70\uff0c\u4e26\u53ef\u80fd\u9020\u6210\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<h2>\u5982\u4f55\u89e3\u6c7aMemoryError\uff1f<\/h2>\n<p>\u8981\u6709\u6548\u89e3\u6c7aMemoryError\uff0c\u60a8\u9700\u8981\u9996\u5148\u78ba\u5b9a\u7a0b\u5e8f\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\u4f86\u8655\u7406\u6b64\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u512a\u5316\u7a0b\u5e8f\uff1a<\/strong>\u512a\u5316\u60a8\u7684\u4ee3\u78bc\u4ee5\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\u3002\u53ef\u4ee5\u4f7f\u7528Python\u7684<a href=\"https:\/\/docs.python.org\/3\/library\/profile.html\" target=\"_blank\" rel=\"noopener\">profile\u6a21\u584a<\/a>\u4f86\u6aa2\u67e5\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u7136\u5f8c\u91dd\u5c0d\u6578\u64da\u7d50\u69cb\u548c\u7b97\u6cd5\u9032\u884c\u512a\u5316\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u751f\u6210\u5668\u800c\u975e\u5217\u8868\u4f86\u8655\u7406\u5927\u6578\u64da\u96c6\uff0c\u4ee5\u4fbf\u6309\u9700\u52a0\u8f09\u6578\u64da\u3002<\/li>\n<li><strong>\u589e\u52a0\u53ef\u7528\u5167\u5b58\uff1a<\/strong>\u6aa2\u67e5\u4e26\u589e\u52a0\u53ef\u7528\u5167\u5b58\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528<a href=\"https:\/\/docs.python.org\/3\/library\/sys.html#sys.maxsize\" target=\"_blank\" rel=\"noopener\">sys.maxsize<\/a>\u4f86\u4e86\u89e3\u7cfb\u7d71\u7684\u5167\u5b58\u9650\u5236\u3002\u8003\u616e\u5230\u96f2\u7aef\u8a08\u7b97\u6216\u5347\u7d1a\u786c\u4ef6\u4f86\u589e\u52a0\u5167\u5b58\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5176\u4ed6\u8a9e\u8a00\uff1a<\/strong>\u82e5\u60a8\u7684\u61c9\u7528\u9700\u8981\u5927\u91cf\u5167\u5b58\uff0c\u8003\u616e\u4f7f\u7528C\u3001C++\u6216Java\u7b49\u5176\u4ed6\u7de8\u7a0b\u8a9e\u8a00\uff0c\u9019\u4e9b\u8a9e\u8a00\u5c0d\u5167\u5b58\u7ba1\u7406\u6709\u66f4\u9ad8\u7684\u63a7\u5236\u529b\u53ca\u6548\u7387\u3002<\/li>\n<li><strong>\u5167\u5b58\u7ba1\u7406\u5de5\u5177\uff1a<\/strong>\u4f7f\u7528\u5167\u5b58\u7ba1\u7406\u5de5\u5177\u5982<a href=\"https:\/\/pympler.readthedocs.io\/en\/latest\/\" target=\"_blank\" rel=\"noopener\">Pympler<\/a>\u4f86\u5206\u6790Python\u5c0d\u8c61\u7684\u5167\u5b58\u4f7f\u7528\uff0c\u9019\u53ef\u4ee5\u5e6b\u52a9\u60a8\u8b58\u5225\u5167\u5b58\u6d29\u6f0f\u3002<\/li>\n<\/ul>\n<h2>\u5be6\u4f5c\u7bc4\u4f8b\uff1a\u512a\u5316\u5167\u5b58\u4f7f\u7528\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u751f\u6210\u5668\u4f86\u512a\u5316\u5167\u5b58\u4f7f\u7528\uff1a<\/p>\n<p>&#8220;`python<br \/>\n# \u4f7f\u7528\u5217\u8868<br \/>\ndef get_squares_list(n):<br \/>\n    return [i ** 2 for i in range(n)]\n<p># \u4f7f\u7528\u751f\u6210\u5668<br \/>\ndef get_squares_generator(n):<br \/>\n    for i in range(n):<br \/>\n        yield i ** 2<\/p>\n<p># \u4f7f\u7528\u7bc4\u4f8b<br \/>\nn = 1000000<br \/>\nsquares_list = get_squares_list(n)  # \u6703\u4f54\u7528\u5927\u91cf\u5167\u5b58<br \/>\nsquares_gen = get_squares_generator(n)  # \u9010\u500b\u751f\u6210\u5e73\u65b9\uff0c\u4f54\u7528\u5167\u5b58\u5c11<br \/>\nfor square in squares_gen:<br \/>\n    print(square)<br \/>\n&#8220;`<\/p>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5982\u679c\u5728\u512a\u5316\u5167\u5b58\u4f7f\u7528\u5f8c\u4ecd\u7136\u9047\u5230MemoryError\uff0c\u8acb\u6aa2\u67e5\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<p>1. **\u6578\u64da\u7d50\u69cb\u7684\u9078\u64c7**\uff1a\u78ba\u8a8d\u60a8\u4f7f\u7528\u7684\u6578\u64da\u7d50\u69cb\u662f\u5426\u9069\u5408\u7576\u524d\u7684\u9700\u6c42\u3002\u6709\u6642\u5019\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\u3002<br \/>\n2. **\u9577\u6642\u9593\u904b\u884c\u7684\u7a0b\u5e8f**\uff1a\u5982\u679c\u60a8\u7684\u7a0b\u5e8f\u9577\u6642\u9593\u904b\u884c\uff0c\u78ba\u4fdd\u53ca\u6642\u91cb\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u5c0d\u8c61\uff0c\u4f7f\u7528`del`\u95dc\u9375\u5b57\u4f86\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u8b8a\u91cf\u3002<br \/>\n3. **\u4f7f\u7528\u5783\u573e\u56de\u6536**\uff1aPython\u7684\u5783\u573e\u56de\u6536\u6a5f\u5236\u6703\u81ea\u52d5\u8655\u7406\u5167\u5b58\uff0c\u4f46\u5728\u9700\u8981\u6642\u53ef\u4ee5\u624b\u52d5\u89f8\u767c`import gc`\u4e26\u57f7\u884c`gc.collect()`\u4f86\u5f37\u5236\u91cb\u653e\u5167\u5b58\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>MemoryError\u662f\u4e00\u500b\u5e38\u898b\u7684Python\u932f\u8aa4\uff0c\u901a\u5e38\u53ef\u4ee5\u901a\u904e\u512a\u5316\u7a0b\u5e8f\u3001\u589e\u52a0\u53ef\u7528\u5167\u5b58\u6216\u9078\u64c7\u5176\u4ed6\u7de8\u7a0b\u8a9e\u8a00\u4f86\u89e3\u6c7a\u3002\u6301\u7e8c\u95dc\u6ce8\u5167\u5b58\u7ba1\u7406\u7684\u6700\u4f73\u5be6\u8e10\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u4ee3\u78bc\u7684\u7a69\u5b9a\u6027\u548c\u6548\u7387\u3002<\/p>\n<p>\u82e5\u60a8\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bcPython\u7684\u512a\u5316\u6280\u5de7\uff0c\u8acb\u53c3\u8003[\u9019\u7bc7\u6587\u7ae0](https:\/\/vocus.cc), \u9019\u5c07\u6709\u52a9\u65bc\u60a8\u63d0\u5347\u7de8\u7a0b\u6280\u80fd\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<p>**Q1: MemoryError\u5e38\u898b\u539f\u56e0\u6709\u54ea\u4e9b\uff1f**<br \/>\nA1: \u5e38\u898b\u539f\u56e0\u5305\u62ec\u4f7f\u7528\u904e\u5927\u7684\u6578\u64da\u7d50\u69cb\u3001\u672a\u91cb\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u5c0d\u8c61\uff0c\u4ee5\u53ca\u7a0b\u5e8f\u7684\u904b\u884c\u6642\u9593\u904e\u9577\u3002<\/p>\n<p>**Q2: \u5982\u4f55\u6709\u6548\u6aa2\u67e5Python\u7a0b\u5e8f\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff1f**<br \/>\nA2: \u53ef\u4ee5\u4f7f\u7528`memory_profiler`\u6216`tracemalloc`\u7b49\u5de5\u5177\u4f86\u6aa2\u67e5\u7a0b\u5e8f\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u9019\u4e9b\u5de5\u5177\u80fd\u5920\u5e6b\u52a9\u60a8\u8b58\u5225\u5167\u5b58\u7684\u4f7f\u7528\u71b1\u9ede\u3002<\/p>\n<p>**Q3: \u6709\u54ea\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u6211\u512a\u5316Python\u7a0b\u5e8f\u7684\u5167\u5b58\u4f7f\u7528\uff1f**<br \/>\nA3: \u9664\u4e86`profile`\u548c`Pympler`\u5916\uff0c`memory_profiler`\u548c`objgraph`\u7b49\u5de5\u5177\u4e5f\u80fd\u63d0\u4f9b\u6709\u7528\u7684\u5167\u5b58\u4f7f\u7528\u5206\u6790\u8207\u8996\u89ba\u5316\u4fe1\u606f\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u89e3\u6c7aPython\u4e2d\u7684MemoryError\uff0c\u5f9e\u6aa2\u67e5\u8a18\u61b6\u9ad4\u4f7f\u7528\u60c5\u6cc1\u3001\u6e1b\u5c11\u8a18\u61b6\u9ad4\u4f7f\u7528\u91cf\u3001\u4f7f\u7528\u591a\u57f7\u884c\u7dd2\u7b49\u65b9\u6cd5\uff0c\u4f86\u89e3\u6c7aPython\u4e2d\u7684MemoryError\u554f\u984c\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-3606","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-Wa","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=3606"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3606\/revisions"}],"predecessor-version":[{"id":3607,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3606\/revisions\/3607"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}