<\/p>\n
\u6765\u81ea: Pure Pleasure – Reborn<\/a><\/p>\n \u5df2\u6709 5 \u4eba\u63a8\u8350 \u4e0a\u4e2a\u6708\u5f90\u5ba5<\/a>\u540c\u5b66\u7684\u4e00\u7bc7”\u7f16\u7a0b\u73e0\u7391\u756a\u5916\u7bc73 \u2014 \u5173\u4e8e\u7a0b\u5e8f\u4f18\u5316\u7684\u516b\u5366<\/a>“\u4e2d\u63d0\u5230Donald Knuth<\/a>\u8bf4\u7684\u4e00\u756a\u8bdd\uff1a<\/p>\n We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil.<\/strong> (Knuth, Donald. Structured Programming with go to Statements<\/em>, ACM Journal Computing Surveys, Vol 6, No. 4, Dec. 1974. p.268.)<\/p>\n<\/blockquote>\n \u771f\u77e5\u707c\u89c1\u9700\u8981\u5f88\u957f\u65f6\u95f4\u7684\u79ef\u7d2f<\/strong>\u624d\u53ef\u4ee5\u770b\u5f97\u6e05\u695a\u3001\u60f3\u5f97\u660e\u767d\u3001\u8bf4\u5f97\u7b80\u5355\u6613\u61c2\u4ee4\u4eba\u918d\u9190\u704c\u9876\u3002\u7231\u5fb7\u534e\u2022\u58a8\u83f2<\/a>\u63d0\u51fa”\u58a8\u83f2\u5b9a\u5f8b”\u65f6\u5019\u4e5f\u662f\u5982\u6b64<\/a>\u3002<\/p>\n \u6240\u8c13”premature optimization”\uff08\u8fc7\u65e9\u4f18\u5316\uff09\u5176\u5b9e\u5e76\u4e0d\u662f\u53ea\u6709\u7a0b\u5e8f\u5458\u624d\u80fd\u770b\u5f97\u61c2\u7684\u6982\u5ff5\u3002\u751f\u6d3b\u4e2d”\u8fc7\u65e9\u4f18\u5316”\u7684\u4f8b\u5b50\u6bd4\u6bd4\u7686\u662f\u3002\u6211\u6709\u4e2a\u670b\u53cb\u751f\u6d3b\u4e2d\u5c31\u6709\u5178\u578b\u7684\u8fd9\u79cd\u4e60\u60ef\uff0c\u6bd4\u5982\u4ed6\u62a5\u540d\u53bb\u7ec3\u592a\u6781\u62f3\uff0c\u5728\u7b2c\u4e00\u8282\u8bfe\u8fd8\u6ca1\u4e0a\u7684\u65f6\u5019\u5c31\u5148\u8dd1\u53bb\u628a\u5168\u5957\u88c5\u5907\u90fd\u4e70\u9f50\u2014\u2014\u5f53\u7136\u5305\u62ec\u5f88\u591a\u7b2c\u4e00\u8282\u8bfe\u4e4b\u540e\u5c31\u53d1\u73b0\u4e70\u9519\u4e86\u7684\uff0c\u4ee5\u53ca\u56e0\u4e3a\u5b9e\u9645\u4e0a\u6ca1\u4e0a\u8fc7\u51e0\u8282\u8bfe\u4e4b\u540e\u5c31\u518d\u4e5f\u4e0d\u53bb\u4e86\u6240\u4ee5\u6c38\u8fdc\u5806\u5728\u4ed3\u623f\u4e2d\u7684\u5269\u4e0b\u7684\u5168\u90e8\u3002\u8fd9\u5c31\u53eb”\u8fc7\u65e9\u4f18\u5316”\uff0c\u51e0\u4e4e\u6bcf\u4e2a\u4eba\u6216\u591a\u6216\u5c11\u5728\u81f3\u5c11\u67d0\u4e00\u65b9\u9762\u6709\u8fd9\u6837\u7684\u4e60\u60ef\uff0c\u4e0d\u4fe1\u770b\u770b\u8eab\u8fb9\uff0c\u6709\u591a\u5c11\u4eba\u662f\u8fd9\u6837\u7684\uff1a\u4ed6\u4eec\u5728\u505a\u4ec0\u4e48\u4e8b\u513f\u8fd8\u6ca1\u600e\u4e48\u6837\u7684\u65f6\u5019\u65e9\u5df2\u5f00\u59cb\u61a7\u61ac\u6210\u529f\u4e4b\u540e\u7684\u7ed3\u679c\uff0c\u6bd4\u5982\uff0c”\u8fd9\u7b14\u94b1\u8d5a\u5230\u624b\u4e4b\u540e\u6211\u8981\u2026\u2026”\uff0c\u6216\u8005”\u5982\u679c\u4ed6\u4eec\u80af\u6295\u8d44\u7ed9\u6211\u5c31\u2026\u2026”\u3002\u751a\u81f3\u90a3\u4e9b\u5728\u67d0\u4e9b\u9886\u57df\u4e2d\u9887\u6709\u6210\u5c31\u7684\u4eba\u4e5f\u5f88\u96be\u4f8b\u5916\uff1a\u731c\u4e00\u731c\u5c31\u77e5\u9053\u6709\u591a\u5c11\u4eba\u81f4\u6b7b\u4e5f\u6ca1\u5f97\u8fc7\u4ec0\u4e48\u5927\u5956\uff0c\u53ef\u662f”\u83b7\u5956\u611f\u8a00”\u65e9\u5df2\u7ec3\u4e60\u4e86\u65e0\u6570\u904d\u2014\u2014\u5f53\u7136\uff0c\u90a3\u4e9b\u771f\u7684\u5f97\u4e86\u5927\u5956\u7684\u4eba\u4e2d\u4e5f\u6709\u4e00\u5927\u90e8\u5206\u540c\u6837\u63d0\u524d\u7ec3\u8fc7\u5f88\u591a\u904d\u3002<\/p>\n \u4e4b\u6240\u4ee5\u51e0\u4e4e\u6bcf\u4e2a\u4eba\u90fd\u65e0\u6cd5\u6446\u8131”\u63d0\u524d\u4f18\u5316”\u7684\u503e\u5411\uff0c\u53ef\u80fd\u5728\u4e8e\u6211\u4eec\u4f5c\u4e3a\u4eba\u7c7b\uff0c\u9762\u5bf9\u5fc5\u7136\u7684\u6b7b\u4ea1\uff0c\u5f88\u591a\u7684\u65f6\u5019\u53ea\u80fd\u9760”\u5e0c\u671b”\u652f\u6491\u2014\u2014\u7236\u6bcd\u4eec\u5e38\u5e38\u79f0\u81ea\u5df1\u7684\u5b69\u5b50\u4e3a”\uff08\u672a\u6765\u7684\uff09\u5e0c\u671b<\/a>“\uff0c\u4e5f\u662f\u8fd9\u4e2a\u9053\u7406\u3002\u7136\u800c\uff0c\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\uff0c”\u5e0c\u671b”\u53ef\u80fd\u4f1a\u6210\u4e3a\u9677\u9631\uff0c\u4e5f\u8bb8\u662f\u5f88\u591a\u4eba\u6ca1\u6709\u60f3\u5230\u8fc7\u7684\u4e8b\u60c5\u3002\u6240\u4ee5\uff0cDonald Knuth\u8bf4\u7684\u5176\u5b9e\u5e76\u975e\u53ea\u6709\u7a0b\u5e8f\u5458\u624d\u72af\u7684\u9519\u8bef\uff0c\u800c\u662f\u51e0\u4e4e\u6240\u6709\u4eba\u90fd\u53ef\u80fd\u4e00\u4e0d\u5c0f\u5fc3\u5c31\u6389\u8fdb\u53bb\u7684\u9677\u9631\u3002<\/p>\n \u65e0\u8bba\u5728\u4ec0\u4e48\u9886\u57df\uff0c\u89e3\u51b3\u95ee\u9898\u7684\u4e00\u4e2a”\u4f18\u52bf\u7b56\u7565”\u5c31\u662f”\u5c3d\u91cf\u5173\u6ce8\u5f53\u524d\u95ee\u9898”\u3002\u672a\u6765\u4e48\uff0c”\u5175\u6765\u5c06\u6321\u3001\u6c34\u6765\u571f\u63a9”\u3002\u6211\u603b\u89c9\u5f97\u6559\u80b2\u90a3\u4e9b\u7ec8\u7a76\u8981\u79bb\u5f00\u8c61\u7259\u5854\u7684\u5b69\u5b50\u4eec“\u8981\u6709\u8fdc\u5927\u7406\u60f3”\u662f\u6700\u6076\u6bd2\u7684\u6559\u80b2<\/a>\u2014\u2014\u56e0\u4e3a\u8c61\u7259\u5854\u4e4b\u5916\u5145\u6ee1\u4e86\u610f\u5916\u3002\u6211\u603b\u662f\u529d\u8beb\u6211\u7684\u5b66\u751f\uff0c”\u5c11\u60f3\u90a3\u4e9b\u6ca1\u7528\u7684\uff0c\u8be5\u5e72\u561b\u5e72\u561b\u53bb”\uff0c\u8bf4\u6587\u7ec9\u7ec9\u70b9\uff0c\u5c31\u662f”\u4f46\u884c\u597d\u4e8b\u83ab\u95ee\u524d\u7a0b<\/a>“\uff0c\u4e5f\u662f\u57fa\u4e8e\u8fd9\u6837\u7684\u8ba4\u8bc6\u3002<\/p>\n “\u6d3b\u5728\u5f53\u4e0b”\u662f\u5f88\u5c11\u6709\u4eba\u771f\u6b63\u5b66\u4f1a\u7684\u751f\u6d3b\u827a\u672f\u3002<\/p>\n<\/p><\/div>\n<\/div>\n <\/p>\n iAmFisher \u901a\u8fc7 Google \u9605\u8bfb\u5668\u53d1\u9001\u7ed9\u60a8\u7684\u5185\u5bb9\uff1a &n … \u7ee7\u7eed\u9605\u8bfb\u201c\u8fc7\u65e9\u4f18\u5316\u201d\u662f\u4e07\u6076\u4e4b\u6e90\u2026\u2026<\/span> <\/p>\n
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