{"id":2644,"date":"2026-08-21T11:19:46","date_gmt":"2026-08-21T03:19:46","guid":{"rendered":"http:\/\/blog.xtaa.cn\/?p=2644"},"modified":"2026-08-21T11:19:46","modified_gmt":"2026-08-21T03:19:46","slug":"%e7%a8%a0%e5%af%86%e5%90%91%e9%87%8f%e4%b8%8e%e7%a8%80%e7%96%8f%e5%90%91%e9%87%8f","status":"publish","type":"post","link":"http:\/\/blog.xtaa.cn\/index.php\/2026\/08\/21\/%e7%a8%a0%e5%af%86%e5%90%91%e9%87%8f%e4%b8%8e%e7%a8%80%e7%96%8f%e5%90%91%e9%87%8f\/","title":{"rendered":"\u7a20\u5bc6\u5411\u91cf\u4e0e\u7a00\u758f\u5411\u91cf"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>\u7a20\u5bc6\u5411\u91cf\uff08Dense Vector\uff09\u4e0e\u7a00\u758f\u5411\u91cf\uff08Sparse Vector\uff09\u662f\u5411\u91cf\u8868\u793a\u7684\u4e24\u79cd\u57fa\u672c\u5f62\u5f0f\uff0c\u6838\u5fc3\u533a\u522b\u5728\u4e8e<strong>\u4fe1\u606f\u5bc6\u5ea6<\/strong>\u548c<strong>\u9002\u7528\u573a\u666f<\/strong>\u7684\u4e0d\u540c\u3002\u7a20\u5bc6\u5411\u91cf\u4fa7\u91cd\u4e8e<strong>\u8bed\u4e49\u6cdb\u5316<\/strong>\uff0c\u7a00\u758f\u5411\u91cf\u4fa7\u91cd\u4e8e<strong>\u5b57\u9762\u7cbe\u786e\u5339\u914d<\/strong>\u3002<\/p>\n\n\n\n<p><strong>\u4e00\u3001 \u7a20\u5bc6\u5411\u91cf\uff08Dense Vector\uff09<\/strong><\/p>\n\n\n\n<p><strong>1. \u5b9a\u4e49\u4e0e\u7279\u5f81<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49<\/strong>\uff1a\u4f4e\u7ef4\u5411\u91cf\uff08\u901a\u5e38\u51e0\u5341\u5230\u51e0\u5343\u7ef4\uff09\uff0c\u7edd\u5927\u90e8\u5206\u5143\u7d20\u4e3a\u975e\u96f6\u7684\u8fde\u7eed\u5b9e\u6570\uff08\u5982 [0.12, -0.45, 0.78, &#8230;]\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7279\u5f81<\/strong>\uff1a\u4fe1\u606f\u7d27\u51d1\uff0c\u6bcf\u4e00\u7ef4\u4ee3\u8868\u62bd\u8c61\u7684\u8bed\u4e49\u7279\u5f81\uff0c\u7ef4\u5ea6\u4e4b\u95f4\u9ad8\u5ea6\u5173\u8054\uff1b\u8ba1\u7b97\u6548\u7387\u9ad8\uff08\u9002\u5408GPU\u5e76\u884c\u8ba1\u7b97\uff09\uff0c\u4f46\u5355\u6761\u5411\u91cf\u5360\u7528\u5185\u5b58\u76f8\u5bf9\u8f83\u5927\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>2. \u751f\u6210\u65b9\u5f0f<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u8981\u901a\u8fc7\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\uff08\u5982 BERT\u3001Word2Vec\u3001ResNet \u7b49\uff09\u751f\u6210\uff0c\u901a\u8fc7\u4e0a\u4e0b\u6587\u5b66\u4e60\u5f97\u5230\uff0c\u80fd\u591f\u6355\u6349\u6570\u636e\u7684\u8bed\u4e49\u548c\u4e0a\u4e0b\u6587\u5173\u7cfb\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>3. \u9002\u7528\u573a\u666f<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bed\u4e49\u641c\u7d22\u4e0e\u8de8\u6a21\u6001\u68c0\u7d22<\/strong>\uff1a\u9002\u5408\u957f\u6587\u672c\u7406\u89e3\u3001\u8bed\u4e49\u76f8\u4f3c\u5ea6\u8ba1\u7b97\uff08\u5982\u901a\u8fc7\u4f59\u5f26\u76f8\u4f3c\u5ea6\u8ba1\u7b97\u5411\u91cf\u8ddd\u79bb\uff09\uff0c\u9002\u7528\u4e8e\u5bf9\u8bed\u4e49\u7406\u89e3\u8981\u6c42\u9ad8\u7684\u573a\u666f\uff08\u5982\u6cd5\u5f8b\u6587\u6863\u68c0\u7d22\u3001\u667a\u80fd\u5ba2\u670d\u3001\u63a8\u8350\u7cfb\u7edf\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4e8c\u3001 \u7a00\u758f\u5411\u91cf\uff08Sparse Vector\uff09<\/strong><\/p>\n\n\n\n<p><strong>1. \u5b9a\u4e49\u4e0e\u7279\u5f81<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49<\/strong>\uff1a\u9ad8\u7ef4\u5411\u91cf\uff08\u901a\u5e38\u6570\u4e07\u5230\u767e\u4e07\u7ef4\uff09\uff0c\u7edd\u5927\u90e8\u5206\u5143\u7d20\u4e3a0\uff0c\u4ec5\u5c11\u6570\u7ef4\u5ea6\u4e3a\u975e\u96f6\u503c\uff08\u5982 [0, 0, 3.5, 0, 0, -1.2, 0, 0] 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class=\"wp-block-list\">\n<li><strong>\u7cbe\u786e\u5173\u952e\u8bcd\u5339\u914d<\/strong>\uff1a\u9002\u5408\u77ed\u6587\u672c\u641c\u7d22\u3001\u7cbe\u786e\u672f\u8bed\u5339\u914d\u3001\u65e5\u5fd7\u5206\u6790\uff0c\u9002\u7528\u4e8e\u5bf9\u5b57\u9762\u7cbe\u786e\u5ea6\u8981\u6c42\u9ad8\u3001\u5bf9\u8bed\u4e49\u6cdb\u5316\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f\uff08\u5982\u5546\u54c1\u578b\u53f7\u641c\u7d22\u3001\u4ee3\u7801\/API\u53c2\u6570\u68c0\u7d22\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4e09\u3001 \u6838\u5fc3\u5bf9\u6bd4\u603b\u7ed3<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5bf9\u6bd4\u7ef4\u5ea6<\/th><th>\u7a20\u5bc6\u5411\u91cf<\/th><th>\u7a00\u758f\u5411\u91cf<\/th><\/tr><\/thead><tbody><tr><td><strong>\u7ef4\u5ea6<\/strong><\/td><td>\u4f4e\u7ef4\uff08\u5982 768\u30011024 \u7ef4\uff09<\/td><td>\u9ad8\u7ef4\uff08\u5982 10\u4e07+ \u7ef4\uff09<\/td><\/tr><tr><td><strong>\u5143\u7d20\u7279\u5f81<\/strong><\/td><td>\u7edd\u5927\u90e8\u5206\u975e\u96f6\uff0c\u8fde\u7eed\u5b9e\u6570<\/td><td>\u7edd\u5927\u90e8\u5206\u4e3a0\uff0c\u5c11\u6570\u975e\u96f6<\/td><\/tr><tr><td><strong>\u8bed\u4e49\u80fd\u529b<\/strong><\/td><td>\u5f3a\uff08\u6355\u6349\u8bed\u4e49\u3001\u4e0a\u4e0b\u6587\uff0c\u540c\u4e49\u8bcd\u5173\u8054\uff09<\/td><td>\u5f31\uff08\u4ec5\u5173\u952e\u8bcd\u5339\u914d\uff0c\u65e0\u6cd5\u8bc6\u522b\u540c\u4e49\u8bcd\uff09<\/td><\/tr><tr><td><strong>\u8ba1\u7b97\u6548\u7387<\/strong><\/td><td>\u9ad8\uff08\u9002\u5408\u77e9\u9635\u8fd0\u7b97\uff0cGPU\u4f18\u5316\uff09<\/td><td>\u4e2d\u7b49\uff08\u9700\u7a00\u758f\u77e9\u9635\u8fd0\u7b97\uff0c\u8ba1\u7b97\u70b9\u79ef\u8f83\u6162\uff09<\/td><\/tr><tr><td><strong>\u5b58\u50a8\u6548\u7387<\/strong><\/td><td>\u4e2d\u7b49\uff08\u9700\u5b58\u50a8\u6240\u6709\u7ef4\u5ea6\uff09<\/td><td>\u9ad8\uff08\u4ec5\u5b58\u50a8\u975e\u96f6\u5143\u7d20\uff0c\u8282\u7701\u7a7a\u95f4\uff09<\/td><\/tr><tr><td><strong>\u53ef\u89e3\u91ca\u6027<\/strong><\/td><td>\u5f31\uff08\u7ef4\u5ea6\u65e0\u660e\u786e\u5b57\u9762\u610f\u4e49\uff09<\/td><td>\u5f3a\uff08\u7ef4\u5ea6\u5bf9\u5e94\u660e\u786e\u7684\u5b57\u9762\u7279\u5f81\uff09<\/td><\/tr><tr><td><strong>\u5178\u578b\u5e94\u7528<\/strong><\/td><td>\u8bed\u4e49\u641c\u7d22\u3001\u63a8\u8350\u7cfb\u7edf\u3001\u5927\u6a21\u578b\u5d4c\u5165<\/td><td>\u4f20\u7edf\u4fe1\u606f\u68c0\u7d22\u3001\u7cbe\u786e\u5173\u952e\u8bcd\u68c0\u7d22\u3001\u63a8\u8350\u7cfb\u7edf\uff08\u8bc4\u5206\u77e9\u9635\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u56db\u3001 \u5b9e\u9645\u5e94\u7528\u5efa\u8bae<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u8def\u68c0\u7d22<\/strong>\uff1a\u957f\u6587\u672c\u3001\u8bed\u4e49\u7406\u89e3\u9700\u6c42\u9ad8\u65f6\u7528\u7a20\u5bc6\u5411\u91cf\uff1b\u77ed\u6587\u672c\u3001\u7cbe\u786e\u5173\u952e\u8bcd\u5339\u914d\u9700\u6c42\u9ad8\u65f6\u7528\u7a00\u758f\u5411\u91cf\u3002<\/li>\n\n\n\n<li><strong>\u6df7\u5408\u68c0\u7d22<\/strong>\uff1a\u5728<strong>\u590d\u6742\u7684\u5b9e\u9645\u4e1a\u52a1\uff08\u5982\u7535\u5546\u641c\u7d22\u3001\u590d\u6742\u95ee\u7b54\uff09\u4e2d\uff0c\u5e38\u91c7\u7528\u201c\u7a20\u5bc6+\u7a00\u758f\u201d\u7684\u6df7\u5408\u68c0\u7d22\u7b56\u7565\uff0c\u7ed3\u5408\u4e24\u8005\u7684\u4f18\u52bf\uff08\u7528\u7a00\u758f\u5411\u91cf\u505a\u7c97\u7b5b\u53ec\u56de\uff0c\u7528\u7a20\u5bc6\u5411\u91cf\u505a\u7cbe\u6392\uff09\uff0c\u901a\u8fc7\u878d\u5408\u7b97\u6cd5\uff08\u5982 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-2644","post","type-post","status-publish","format-standard","hentry","category-30"],"_links":{"self":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/2644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2644"}],"version-history":[{"count":1,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/2644\/revisions"}],"predecessor-version":[{"id":2645,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/2644\/revisions\/2645"}],"wp:attachment":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2644"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}