{"id":107108,"date":"2026-09-19T01:40:54","date_gmt":"2026-09-18T17:40:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/107108.html"},"modified":"2026-09-19T01:40:54","modified_gmt":"2026-09-18T17:40:54","slug":"%e5%9b%be%e8%a7%a3kv-cache-ds-v4-1-flash%e7%9a%84%e5%88%b6%e8%83%9c%e7%a7%98%e5%af%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/107108.html","title":{"rendered":"\u56fe\u89e3KV Cache\u2014\u2014DS V4.1-Flash\u7684\u5236\u80dc\u79d8\u5bc6"},"content":{"rendered":"<p>DeepSeek V1 \u5230 V4.1-Flash&#xff0c;\u5355 token \u7684 global KV \u5982\u4f55\u4ece 389,000 B \u538b\u7f29\u5230 890 B\u7684&#xff1f;\u8fd9\u7bc7\u6587\u7ae0\u5bf9\u4e8e Agent \u7684\u4f7f\u7528\u8005\u3001\u672c\u5730\u6a21\u578b\u90e8\u7f72\u8005\u3001\u6a21\u578b\u5f00\u53d1\u8005\u90fd\u6709\u4e00\u5b9a\u5e2e\u52a9\u3002<\/p>\n<p>\u4eca\u5929\u8dd1\u4e00\u4e2a\u957f\u4e0a\u4e0b\u6587\u7684 agent&#xff0c;\u6bd4\u5982\u8ba9\u6a21\u578b\u8bfb\u5b8c\u4e00\u4e2a\u767e\u4e07 token \u7684\u4ee3\u7801\u4ed3\u5e93\u518d\u5e72\u6d3b&#xff0c;\u663e\u5b58\u91cc\u6700\u5360\u5730\u65b9\u7684\u5e76\u975e\u6a21\u578b\u6743\u91cd&#xff0c;\u800c\u662f KV Cache\u3002\u6743\u91cd\u662f\u56fa\u5b9a\u7684&#xff0c;\u51e0\u767e GB \u5c31\u51e0\u767e GB&#xff1b;\u800c KV Cache \u8ddf\u7740\u4e0a\u4e0b\u6587\u7ebf\u6027\u957f&#xff0c;\u53ea\u8981\u4e0a\u4e0b\u6587\u7ffb\u4e00\u500d&#xff0c;\u5b83\u5c31\u4f1a\u7ffb\u4e00\u500d\u3002<\/p>\n<p>9 \u6708\u521d DeepSeek \u53d1\u5e03 V4.1-Flash \u6280\u672f\u62a5\u544a&#xff0c;\u6807\u9898\u5c31\u53eb Pushing the Limits of KV Cache Compression\u3002\u6458\u8981\u91cc\u7684\u4e00\u53e5\u8bdd\u4e00\u9488\u89c1\u8840&#xff1a;prefill \u4ecd\u7136\u5f88\u8d35&#xff0c;\u540c\u65f6\u5927 KV Cache \u6301\u7eed\u6324\u5360 HBM \u548c SSD \u7684\u5bb9\u91cf\u4e0e\u4f20\u8f93\u5e26\u5bbd&#xff0c;\u8fd9\u4e09\u6837\u5408\u8d77\u6765\u662f\u964d\u4f4e\u90e8\u7f72\u6210\u672c\u9762\u4e34\u7684\u7d27\u8feb\u74f6\u9888\u3002<\/p>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u60f3\u505a\u7684\u4e8b\u662f\u628a KV Cache \u8fd9\u51e0\u5e74\u6765\u51e0\u6b21\u5173\u952e\u7a81\u7834\u753b\u51fa\u6765&#xff0c;\u6700\u540e\u91cd\u70b9\u8bb2\u8bb2 V4.1 Flash \u7684\u7a81\u7834\u3002\u4e2d\u95f4\u4f1a\u7a7f\u63d2\u4e00\u70b9\u786c\u4ef6\u77e5\u8bc6&#xff0c;\u56e0\u4e3a\u4e0d\u7406\u89e3 HBM \u662f\u4ec0\u4e48\u3001\u4e3a\u4ec0\u4e48\u8d35&#xff0c;\u5c31\u7406\u89e3\u4e0d\u4e86\u4e3a\u4ec0\u4e48\u5927\u5bb6\u8981\u62fc\u547d\u538b\u8fd9\u51e0\u4e2a\u5b57\u8282\u3002<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"542\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260918174051-6aad77a378087.png\" width=\"900\" \/><\/p>\n<p>\u6bcf\u4e2a token \u7684\u5168\u5c40 KV Cache \u4ece V1 \u7684 389 KB \u538b\u5230 V4.1 \u7684 890 \u5b57\u8282&#xff0c;\u51cf\u5c11\u5230 1\/437<\/p>\n<p>\u9605\u8bfb\u6307\u5357&#xff1a;<\/p>\n<ul>\n<li>\n<p>Agent \u4f7f\u7528\u8005&#xff08;\u7528 Claude Code\u3001Cursor \u4e4b\u7c7b\u5de5\u5177&#xff0c;\u5173\u5fc3\u4e3a\u4ec0\u4e48\u957f\u5bf9\u8bdd\u53d8\u6162\u53d8\u8d35&#xff09;&#xff1a;\u8bfb\u7b2c\u4e00\u8282\u548c\u7b2c\u4e94\u8282\u7684\u8d26\u5355\u90e8\u5206\u5c31\u591f\u4e86&#xff0c;\u7b2c\u4e00\u8282\u89e3\u91ca prefill \u548c decode \u8fd9\u4e24\u79cd\u6210\u672c&#xff0c;\u7b2c\u4e94\u8282\u89e3\u91ca\u7f13\u5b58\u547d\u4e2d\u4ef7\u4e3a\u4ec0\u4e48\u80fd\u5b9a\u5230\u672a\u547d\u4e2d\u7684 2%\u3002\u4e2d\u95f4\u7684\u6280\u672f\u7ec6\u8282\u53ef\u4ee5\u8df3\u8fc7&#xff0c;\u770b\u56fe\u5c31\u884c<\/p>\n<\/li>\n<li>\n<p>\u672c\u5730\u6a21\u578b\u90e8\u7f72\u8005&#xff08;\u5728\u81ea\u5df1\u7684\u5361\u4e0a\u8dd1 vLLM\u3001SGLang&#xff0c;\u4e3a\u663e\u5b58\u53d1\u6101&#xff09;&#xff1a;\u91cd\u70b9\u662f\u7b2c\u4e8c\u8282\u3001\u7b2c\u4e09\u8282\u548c\u6587\u672b\u7684\u201c\u5982\u679c\u4f60\u5728\u90e8\u7f72\u6a21\u578b\u201d\u3002\u7b2c\u4e8c\u8282\u8bb2\u6e05\u663e\u5b58\u91d1\u5b57\u5854\u548c\u4e3a\u4ec0\u4e48 decode \u5361\u5728\u5e26\u5bbd&#xff0c;\u7b2c\u4e09\u8282\u533a\u5206\u76f4\u63a5\u51b3\u5b9a\u4f60\u6709\u54ea\u4e9b\u5f00\u5173\u53ef\u4ee5\u914d\u7f6e&#xff0c;\u6587\u672b\u56db\u6761\u662f\u53ef\u64cd\u4f5c\u7684\u6e05\u5355<\/p>\n<\/li>\n<li>\n<p>\u6a21\u578b\u5f00\u53d1\u8005&#xff08;\u505a\u67b6\u6784\u6216\u8bad\u7ec3&#xff0c;\u60f3\u77e5\u9053 V4.1 \u5230\u5e95\u6539\u4e86\u4ec0\u4e48&#xff09;&#xff1a;\u7b2c\u4e09\u8282\u7684\u4e09\u7ef4\u6846\u67b6\u548c\u7b2c\u56db\u8282\u5168\u6587\u662f\u4e3b\u4f53&#xff0c;\u5c24\u5176\u662f CSA2 \u4e09\u6a21\u5f0f\u300140 \u5c42\u6392\u5e03\u548c 890 \u5b57\u8282\u8d26\u5355\u4e09\u6bb5\u3002\u7b2c\u4e94\u8282\u5217\u4e86\u56db\u6761\u8bbe\u8ba1\u539f\u56e0&#xff0c;\u53ef\u4ee5\u5bf9\u7740\u62a5\u544a\u539f\u6587\u6838\u5bf9<\/p>\n<\/li>\n<\/ul>\n<p>\u6ca1\u6709\u4efb\u4f55\u673a\u5668\u5b66\u4e60\u80cc\u666f\u4e5f\u80fd\u8bfb\u5b8c\u524d\u4e24\u8282\u3002\u7b2c\u56db\u8282\u6d89\u53ca\u5177\u4f53\u7684\u5c42\u6570\u3001\u7ef4\u5ea6\u548c\u5b57\u8282\u6570&#xff0c;\u8bfb\u8d77\u6765\u4f1a\u6162\u4e00\u4e9b&#xff0c;\u4f46\u6bcf\u4e00\u6bb5\u90fd\u914d\u4e86\u56fe&#xff0c;\u76f4\u63a5\u770b\u56fe\u4f1a\u66f4\u52a0\u76f4\u89c2\u3002<\/p>\n<h3><\/h3>\n<h2>\u4e00\u3001KV Cache \u662f\u4ec0\u4e48<\/h2>\n<p>\u8fd9\u4e00\u8282\u8bb2\u4e09\u4ef6\u4e8b&#xff1a;KV Cache \u4e3a\u4ec0\u4e48\u5b58\u5728\u3001\u5b83\u6709\u591a\u5927\u3001prefill \u548c decode \u7684\u533a\u522b\u3002\u540e\u9762\u6240\u6709\u5185\u5bb9\u90fd\u5efa\u7acb\u5728\u8fd9\u4e09\u4ef6\u4e8b\u4e0a\u3002<\/p>\n<p>Transformer \u751f\u6210\u6587\u5b57\u662f\u4e00\u4e2a\u5b57\u4e00\u4e2a\u5b57\u5f80\u5916\u8e66\u7684&#xff0c;\u6bcf\u8e66\u4e00\u4e2a\u65b0\u5b57&#xff0c;\u5b83\u8981\u56de\u5934\u770b\u4e00\u904d\u524d\u9762\u6240\u6709\u7684\u5b57&#xff0c;\u8fd9\u4e2a&#034;\u56de\u5934\u770b&#034;\u5c31\u662f\u6ce8\u610f\u529b\u3002<\/p>\n<p>\u6ce8\u610f\u529b\u7684\u673a\u5236\u662f&#xff1a;\u6bcf\u4e2a\u5b57\u6709\u4e09\u4e2a\u5411\u91cf&#xff0c;Q&#xff08;Query&#xff0c;\u6211\u5728\u627e\u4ec0\u4e48&#xff09;\u3001K&#xff08;Key&#xff0c;\u6211\u662f\u4ec0\u4e48&#xff09;\u3001V&#xff08;Value&#xff0c;\u6211\u643a\u5e26\u4ec0\u4e48\u4fe1\u606f&#xff09;\u3002\u65b0\u5b57\u7684 Q \u53bb\u548c\u524d\u9762\u6bcf\u4e2a\u5b57\u7684 K \u505a\u70b9\u79ef&#xff0c;\u5f97\u5230\u5173\u6ce8\u6743\u91cd&#xff0c;\u518d\u7528\u6743\u91cd\u628a\u90a3\u4e9b\u5b57\u7684 V \u52a0\u6743\u6c42\u548c\u3002<\/p>\n<p>\u8fd9\u91cc\u6709\u4e00\u4e2a\u5173\u952e&#xff1a;\u524d\u9762\u90a3\u4e9b\u5b57\u7684 K \u548c V \u4e0d\u4f1a\u53d8&#xff0c;\u7b2c 100 \u4e2a\u5b57\u770b\u7b2c 3 \u4e2a\u5b57\u65f6\u7528\u7684 K\u3001V&#xff0c;\u548c\u7b2c 200 \u4e2a\u5b57\u770b\u7b2c 3 \u4e2a\u5b57\u65f6\u7528\u7684&#xff0c;\u662f\u540c\u4e00\u7ec4\u6570\u3002<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"568\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260918174052-6aad77a4169f8.png\" width=\"900\" \/><\/p>\n<p>\u5982\u679c\u4e0d\u7f13\u5b58&#xff0c;\u6bcf\u751f\u6210\u4e00\u4e2a\u5b57\u5c31\u628a\u524d\u9762\u6240\u6709\u5b57\u7684 K\u3001V \u91cd\u7b97\u4e00\u904d&#xff0c;\u603b\u8ba1\u7b97\u91cf\u662f O(N\u00b2)&#xff1b;\u800c\u7f13\u5b58\u5219\u6bcf\u6b65\u53ea\u7b97\u65b0\u5b57\u7684 K\u3001V&#xff0c;\u5176\u4f59\u4ece\u663e\u5b58\u91cc\u8bfb&#xff0c;\u8ba1\u7b97\u91cf\u964d\u5230 O(N)\u3002\u540e\u8005\u7684\u4ee3\u4ef7\u662f\u663e\u5b58\u5360\u7528&#xff0c;\u6bcf\u4e2a\u5b57\u3001\u6bcf\u4e00\u5c42\u90fd\u8981\u5b58\u4e00\u4efd K \u548c V\u3002<\/p>\n<p>\u8fd9\u5c31\u662f KV Cache&#xff0c;\u540d\u5b57\u5f88\u6734\u7d20&#xff0c;\u5c31\u662f\u628a K \u548c V \u7f13\u5b58\u8d77\u6765\u3002<\/p>\n<h3><\/h3>\n<h3>KV Cache \u5230\u5e95\u6709\u591a\u5927<\/h3>\n<p>\u4e00\u4e2a\u4e58\u6cd5\u516c\u5f0f\u5c31\u80fd\u7b97\u6e05\u695a&#xff1a;<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"399\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260918174052-6aad77a44f726.png\" width=\"680\" \/><\/p>\n<p>\u62ff DeepSeek \u7684\u7b2c\u4e00\u4ee3 67B \u6a21\u578b\u7b97&#xff1a;95 \u5c42&#xff0c;K \u548c V \u5404\u4e00\u4efd&#xff0c;8 \u4e2a KV \u5934&#xff0c;\u6bcf\u5934 128 \u7ef4&#xff0c;BF16 \u7cbe\u5ea6\u6bcf\u4e2a\u6570 2 \u5b57\u8282&#xff0c;\u76f8\u4e58\u5f97\u5230\u6bcf\u4e2a token \u7ea6 389 KB\u3002<\/p>\n<p>389 KB \u542c\u8d77\u6765\u4e0d\u591a\u3002\u4f46 128K \u4e0a\u4e0b\u6587\u5c31\u662f 48 GB&#xff0c;\u4e00\u5f20 H100&#xff08;2026.9.12\u5e02\u573a\u4ef7\u7ea6\u4e3a30\u4e07RMB&#xff09; \u7684 80 GB \u663e\u5b58\u653e\u5b8c KV \u5c31\u5269\u4e0d\u4e0b\u591a\u5c11\u7ed9\u6743\u91cd\u4e86\u30021M \u4e0a\u4e0b\u6587\u8981 380 GB&#xff0c;\u56db\u5f20 H100 \u7684\u663e\u5b58\u5168\u62ff\u6765\u653e KV \u90fd\u4e0d\u591f\u3002<\/p>\n<p>\u8fd9\u4e2a\u516c\u5f0f\u5f88\u91cd\u8981&#xff0c;\u91cc\u9762\u7684\u6bcf\u4e00\u9879\u7684\u4f18\u5316\u90fd\u610f\u5473\u7740 KV Cache \u80fd\u8fdb\u4e00\u6b65\u964d\u4f4e\u3002<\/p>\n<h3><\/h3>\n<h3>prefill \u548c decode<\/h3>\n<ul>\n<li>\n<p>prefill&#xff1a;\u6a21\u578b\u8bfb prompt \u7684\u9636\u6bb5&#xff0c;\u6240\u6709 token \u4e00\u8d77\u8fc7\u4e00\u904d\u7f51\u7edc&#xff0c;\u628a\u5b83\u4eec\u7684 K\u3001V \u7b97\u51fa\u6765\u5b58\u597d&#xff0c;\u5c5e\u4e8e\u7b97\u529b\u5bc6\u96c6\u578b<\/p>\n<\/li>\n<li>\n<p>decode&#xff1a;\u6a21\u578b\u751f\u6210\u56de\u7b54\u7684\u9636\u6bb5&#xff0c;\u4e00\u6b21\u53ea\u5904\u7406\u4e00\u4e2a\u65b0 token&#xff0c;\u4f46\u8981\u628a\u524d\u9762\u6240\u6709 token \u7684 KV \u4ece\u663e\u5b58\u8bfb\u51fa\u6765&#xff0c;\u5c5e\u4e8e\u5e26\u5bbd\u5bc6\u96c6\u578b<\/p>\n<\/li>\n<\/ul>\n<p>agent \u573a\u666f\u6709\u4e2a\u7279\u70b9&#xff1a;\u5de5\u5177\u8c03\u7528\u975e\u5e38\u9891\u7e41&#xff0c;\u6bcf\u6b21\u8c03\u7528\u90fd\u628a\u65b0\u7ed3\u679c\u585e\u56de\u4e0a\u4e0b\u6587&#xff0c;\u518d\u8ba9\u6a21\u578b\u8bfb\u4e00\u904d\u3002\u6240\u4ee5 agent \u573a\u666f\u4e0b prefill \u6027\u80fd\u6bd4\u8f83\u91cd\u8981&#xff0c;\u8fd9\u4e00\u70b9\u51b3\u5b9a\u4e86 V4.1 Flash \u7684\u5f88\u591a\u8bbe\u8ba1\u9009\u62e9\u3002<\/p>\n<h3><\/h3>\n<h2>\u4e8c\u3001\u786c\u4ef6\u5c42&#xff1a;\u663e\u5b58\u4e3a\u4f55\u5982\u6b64\u91d1\u8d35<\/h2>\n<p>\u8981\u7406\u89e3\u4e3a\u4ec0\u4e48\u5927\u5bb6\u975e\u8981\u4e3a\u51e0\u4e2a\u5b57\u8282\u8f83\u52b2&#xff0c;\u5f97\u5148\u770b\u770b\u8fd9\u4e9b\u5b57\u8282\u5b58\u653e\u7684\u4f4d\u7f6e\u3002<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"417\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260918174052-6aad77a46b7a3.png\" width=\"680\" \/><\/p>\n<p>GPU \u7684\u5185\u5b58\u662f\u4e00\u4e2a\u91d1\u5b57\u5854\u3002\u5854\u5c16\u662f\u7247\u4e0a SRAM&#xff0c;\u53ea\u6709\u51e0\u5341 MB&#xff0c;\u4f46\u662f\u5feb\u5230\u51e0\u5341 TB\/s&#xff0c;\u4f46\u5c0f\u5230\u53ea\u80fd\u653e\u6b63\u5728\u8ba1\u7b97\u7684\u90a3\u4e00\u5c0f\u5757\u3002\u5f80\u4e0b\u662f HBM \u663e\u5b58&#xff0c;\u51e0\u5341\u5230\u4e00\u4e24\u767e GB&#xff0c;\u901f\u5ea6 3-8 TB\/s\u3002\u518d\u5f80\u4e0b\u662f\u4e3b\u673a\u5185\u5b58&#xff0c;TB \u7ea7&#xff0c;\u4f46\u8981\u8d70 PCIe&#xff0c;\u5e26\u5bbd\u6389\u5230\u51e0\u5341\u5230\u51e0\u767e GB\/s\u3002\u91d1\u5b57\u5854\u5e95\u90e8\u662f SSD&#xff0c;\u51e0\u5341 TB&#xff0c;\u5e26\u5bbd\u53ea\u6709\u51e0 GB\/s\u3002<\/p>\n<p>V4.1 \u628a KV Cache \u6309\u7167\u4f4d\u7f6e\u5206\u6210\u4e24\u7c7b&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u8fd0\u884c\u65f6 KV&#xff1a;\u6b63\u5728\u670d\u52a1\u7684\u8bf7\u6c42\u7684 KV&#xff0c;\u5fc5\u987b\u5728 HBM \u91cc&#xff0c;\u53d7 HBM \u5bb9\u91cf\u7ea6\u675f<\/p>\n<\/li>\n<li>\n<p>\u6301\u4e45\u5316 KV&#xff1a;\u4e3a\u4e86\u524d\u7f00\u590d\u7528\u800c\u4fdd\u7559\u7684 KV&#xff0c;\u653e\u5728 SSD \u6216\u4e3b\u673a\u5185\u5b58&#xff0c;\u53d7 SSD \u5bb9\u91cf\u548c I\/O \u5e26\u5bbd\u7ea6\u675f<\/p>\n<\/li>\n<\/ul>\n<p>\u524d\u7f00\u590d\u7528\u662f\u4ec0\u4e48&#xff1f;\u4f60\u5df2\u7ecf\u548c\u6a21\u578b\u5bf9\u8bdd\u4e8610\u8f6e&#xff0c;\u5982\u679c\u7b2c11\u8f6e\u7684 prompt \u524d\u976210\u8f6e\u90fd\u4e00\u6837&#xff0c;\u4e14\u7b2c10\u8f6e\u7684 KV \u8fd8\u7559\u7740&#xff0c;\u90a3\u4e48\u7b2c11\u8f6e\u5c31\u4e0d\u7528\u91cd\u7b97&#xff0c;agent \u573a\u666f\u91cc\u8fd9\u79cd\u590d\u7528\u6781\u5176\u9891\u7e41&#xff0c;\u6240\u4ee5\u751f\u4ea7\u7cfb\u7edf\u4f1a\u628a KV \u5b58\u5230 SSD \u4e0a&#xff0c;\u80fd\u4fdd\u7559\u51e0\u5341\u4e2a\u5c0f\u65f6\u4e4b\u4e45\u3002<\/p>\n<h3><\/h3>\n<h3>HBM \u662f\u4ec0\u4e48<\/h3>\n<p>HBM \u5168\u79f0 High Bandwidth Memory&#xff0c;\u9ad8\u5e26\u5bbd\u663e\u5b58&#xff0c;\u5b83\u548c\u6d88\u8d39\u7ea7\u7535\u8111\u91cc\u7684\u5185\u5b58\u6761\u6709\u7740\u672c\u8d28\u533a\u522b\u3002<\/p>\n<p>\u666e\u901a\u5185\u5b58\u6761\u63d2\u5728\u4e3b\u677f\u4e0a&#xff0c;\u901a\u8fc7\u51e0\u5341\u6839\u7ebf\u548c CPU \u901a\u4fe1\u3002HBM \u662f\u628a DRAM \u82af\u7247\u4e00\u5c42\u5c42\u5782\u76f4\u5806\u53e0\u8d77\u6765&#xff0c;\u7528\u7a7f\u900f\u7845\u7247\u7684 TSV&#xff08;\u7845\u901a\u5b54&#xff09;\u4e0a\u4e0b\u6253\u901a&#xff0c;\u7136\u540e\u6574\u4e2a\u5806\u548c GPU \u8ba1\u7b97\u82af\u7247\u5e76\u6392\u8d34\u5728\u540c\u4e00\u5757\u7845\u4e2d\u4ecb\u5c42\u4e0a\u3002\u8ddd\u79bb\u4ece\u5398\u7c73\u7ea7\u7f29\u5230\u6beb\u7c73\u7ea7&#xff0c;\u8fde\u7ebf\u4ece\u51e0\u5341\u6839\u53d8\u6210\u4e0a\u5343\u6839&#xff0c;\u5e26\u5bbd\u56e0\u6b64\u66b4\u6da8\u3002<\/p>\n<p>\u4ee3\u4ef7\u662f\u4e09\u6837&#xff1a;\u8d35\u3001\u96be\u505a\u3001\u6269\u5c55\u96be\u5ea6\u6307\u6570\u7ea7\u4e0a\u5347\u3002\u6bcf\u4e2a HBM \u5806\u8981\u5806 8 \u5c42\u6216 12 \u5c42\u82af\u7247&#xff0c;\u826f\u7387\u968f\u5c42\u6570\u6307\u6570\u4e0b\u964d\u3002\u4e2d\u4ecb\u5c42\u7684\u9762\u79ef\u6709\u9650&#xff0c;\u80fd\u8d34\u51e0\u4e2a\u5806\u662f\u5b9a\u6b7b\u7684\u3002\u6240\u4ee5 H100 \u662f 80 GB&#xff0c;H200 \u662f 141 GB&#xff0c;B200 \u662f 192 GB&#xff0c;\u6bcf\u4e00\u4ee3\u52a0\u51e0\u5341 GB \u90fd\u662f\u5c01\u88c5\u5de5\u827a\u7684\u6781\u9650\u3002<\/p>\n<p>\u8fd8\u6709\u4e00\u4e2a\u539f\u56e0\u8ba9 KV \u7684\u6bcf\u4e2a\u5b57\u8282\u66f4\u503c\u94b1\u4e86\u3002decode \u6bcf\u751f\u6210\u4e00\u4e2a token&#xff0c;\u90fd\u8981\u628a\u6743\u91cd\u548c\u6574\u6bb5 KV \u4ece HBM \u8bfb\u4e00\u904d&#xff0c;\u7b97\u529b\u662f\u95f2\u7684&#xff0c;\u74f6\u9888\u5728 HBM \u5e26\u5bbd\u3002\u4e0a\u4e0b\u6587\u8d8a\u957f&#xff0c;\u8981\u8bfb\u7684 KV \u8d8a\u591a&#xff0c;\u6bcf\u4e2a token \u82b1\u7684\u65f6\u95f4\u8d8a\u957f\u3002\u6240\u4ee5\u538b\u7f29 KV \u540c\u65f6\u80fd\u591f\u8fbe\u5230\u7701\u94b1\u548c\u63d0\u901f\u7684\u76ee\u7684\u3002<\/p>\n<h3><\/h3>\n<h2>\u4e09\u3001KV Cache \u7684\u51e0\u5927\u7a81\u7834<\/h2>\n<p>\u8fd9\u4e00\u8282\u5148\u7ed9\u4e00\u4e2a\u6700\u57fa\u7840\u7684\u5206\u6790\u6846\u67b6&#xff0c;\u7136\u540e\u9010\u4e2a\u5206\u6790\u8fc7\u53bb DeepSeek \u7684\u516d\u6b21\u7a81\u7834\u3002<\/p>\n<p>\u8fd9\u91cc\u6709\u4e00\u4e2a\u975e\u5e38\u5e72\u51c0\u7684\u6846\u67b6&#xff0c;\u5373 KV Cache \u7684\u603b\u5927\u5c0f\u662f\u4e09\u4e2a\u6570\u7684\u4e58\u79ef&#xff1a;<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"425\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260918174052-6aad77a48963c.png\" width=\"680\" \/><\/p>\n<ul>\n<li>\n<p>\u6bcf\u6761 KV \u6709\u591a\u5927&#xff08;entry \u5927\u5c0f&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u5b58\u591a\u5c11\u6761&#xff08;\u5e8f\u5217\u957f\u5ea6&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u5b58\u51e0\u4efd&#xff08;\u5c42\u6570&#xff09;<\/p>\n<\/li>\n<\/ul>\n<p>\u76d2\u5b50\u7684\u4f53\u79ef\u5c31\u662f\u9a7b\u7559\u5728\u663e\u5b58\u91cc\u7684\u5b57\u8282\u6570&#xff0c;\u7ee7\u7eed\u5f80\u4e0b\u770b\u4e4b\u524d&#xff0c;\u5148\u6765\u4e86\u89e3\u4e0b\u4e24\u4e2a\u91cd\u8981\u533a\u5206&#xff1a;<\/p>\n<p>\u7b2c\u4e00\u4e2a\u533a\u5206&#xff1a;\u7701\u5b58\u50a8&#xff0c;\u8fd8\u662f\u7701\u8bfb\u53d6 \u7b2c\u4e8c\u8282\u8bf4\u8fc7&#xff0c;decode \u6bcf\u4e00\u6b65\u90fd\u8981\u628a KV \u4ece HBM \u8bfb\u4e00\u904d&#xff0c;\u6240\u4ee5\u8bfb\u591a\u5c11\u548c\u5b58\u591a\u5c11\u662f\u4e0d\u540c\u7684\u4e24\u4e2a\u70b9\u3002\u6709\u4e9b\u6280\u672f\u8ba9\u6bcf\u4e00\u6b65\u5c11\u8bfb\u4e00\u4e9b&#xff0c;\u4f46\u76d2\u5b50\u672c\u8eab\u6ca1\u53d8\u5c0f\u3002GPU \u5df2\u7ecf\u585e\u6ee1\u7684\u65f6\u5019&#xff0c;\u66f4\u5feb\u7684\u6ce8\u610f\u529b kernel \u817e\u4e0d\u51fa\u4f4d\u7f6e\u7ed9\u4e0b\u4e00\u4e2a\u8bf7\u6c42&#xff0c;\u53ea\u6709\u7f29\u5c0f\u76d2\u5b50\u624d\u884c\u3002<\/p>\n<p>\u7b2c\u4e8c\u4e2a\u533a\u5206&#xff1a;\u8bad\u7ec3\u65f6\u5c31\u52a0\u8fdb\u53bb&#xff0c;\u8fd8\u662f\u90e8\u7f72\u65f6\u518d\u5206\u5f00 GQA\u3001MLA\u3001\u8de8\u5c42\u590d\u7528\u3001\u538b\u7f29\u6ce8\u610f\u529b\u6539\u53d8\u4e86\u6a21\u578b\u7684\u6743\u91cd\u5f62\u72b6\u548c\u7f13\u5b58\u5e03\u5c40&#xff0c;\u5fc5\u987b\u5728\u8bad\u7ec3\u65f6\u5b9a\u4e0b\u6765&#xff0c;\u4e0d\u80fd\u7ed9\u8bad\u597d\u7684\u6a21\u578b\u6253\u8865\u4e01\u3002\u91cf\u5316\u3001\u5206\u9875\u3001\u524d\u7f00\u7f13\u5b58\u3001\u5206\u5c42\u5378\u8f7d\u662f\u63a8\u7406\u5f15\u64ce\u4e0a\u7684\u5f00\u5173&#xff0c;\u6a21\u578b\u4e0d\u52a8\u3002\u8fd9\u51b3\u5b9a\u4e86\u4e00\u9879\u6280\u672f\u80fd\u4f20\u64ad\u591a\u5feb\u3002<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"426\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260918174052-6aad77a4a607a.png\" width=\"680\" \/><\/p>\n<h3>\u7a81\u7834\u4e00&#xff1a;GQA&#xff0c;\u8ba9\u591a\u4e2a Q \u5934\u5171\u7528\u4e00\u7ec4 K\u3001V<\/h3>\n<p>\u6700\u65e9\u7684\u591a\u5934\u6ce8\u610f\u529b&#xff08;MHA&#xff09;\u91cc&#xff0c;8 \u4e2a Q \u5934\u914d 8 \u7ec4 K\u3001V\u30022023 \u5e74\u7684 GQA \u8bf4&#xff1a;K\u3001V \u6ca1\u5fc5\u8981\u90a3\u4e48\u591a&#xff0c;4 \u4e2a Q \u5934\u5171\u7528\u4e00\u7ec4\u5c31\u591f\u3002KV \u5934\u6570\u4ece 8 \u964d\u5230 2&#xff0c;\u7f13\u5b58\u76f4\u63a5\u780d\u5230\u56db\u5206\u4e4b\u4e00\u3002Llama 2 \u548c DeepSeek-V1 \u90fd\u7528\u4e86\u5b83&#xff0c;\u4ee3\u4ef7\u662f\u7cbe\u5ea6\u7565\u964d\u3002<\/p>\n<h3>\u7a81\u7834\u4e8c&#xff1a;MLA&#xff0c;\u4f4e\u79e9\u538b\u7f29<\/h3>\n<p>DeepSeek-V2&#xff08;2024 \u5e74&#xff09;\u7684 MLA \u8d70\u4e86\u53e6\u4e00\u6761\u8def&#xff1a;<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"421\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260918174052-6aad77a4c3f9b.png\" width=\"680\" \/><\/p>\n<p>\u5b83\u4e0d\u51cf\u5c11\u5934\u6570&#xff0c;\u800c\u662f\u628a\u6240\u6709\u5934\u7684 K\u3001V \u538b\u6210\u4e00\u4e2a 512 \u7ef4\u7684\u6f5c\u5728\u5411\u91cf\u5b58\u8d77\u6765\u3002\u7b97\u6ce8\u610f\u529b\u65f6\u518d\u7528\u4e24\u4e2a\u4e0a\u6295\u5f71\u77e9\u9635\u89e3\u538b\u56de\u5404\u5934\u7684 K\u3001V\u3002\u66f4\u5999\u7684\u662f&#xff0c;\u6570\u5b66\u4e0a\u8fd9\u4e24\u4e2a\u77e9\u9635\u53ef\u4ee5\u5438\u6536\u8fdb Q \u548c\u8f93\u51fa\u7684\u6295\u5f71\u91cc&#xff0c;\u89e3\u538b\u8fd9\u4e00\u6b65\u53ef\u4ee5\u5b8c\u5168\u7701\u6389\u3002\u53e6\u5916\u7559 64 \u7ef4\u7ed9 RoPE \u4f4d\u7f6e\u7f16\u7801\u5355\u72ec\u5b58\u4e0b\u6765\u3002<\/p>\n<p>\u6548\u679c\u4e5f\u5f88\u663e\u8457&#xff1a;\u6bcf\u5c42\u6bcf token \u53ea\u5b58 576 \u4e2a\u6570&#xff0c;\u800c MHA \u662f 2048 \u4e2a&#xff0c;\u4e0e\u6b64\u540c\u65f6\u7cbe\u5ea6\u4e5f\u80fd\u548c MHA \u4e00\u81f4\u3002<\/p>\n<h3>\u7a81\u7834\u4e09&#xff1a;\u91cf\u5316&#xff0c;\u4e00\u4e2a\u6570\u4ece 2 \u5b57\u8282\u5230\u534a\u5b57\u8282<\/h3>\n<p>BF16 \u4e00\u4e2a\u6570 2 \u5b57\u8282&#xff0c;FP8 \u4e00\u4e2a\u6570 1 \u5b57\u8282&#xff0c;DeepSeek-V3 \u5f00\u59cb\u7528 FP8 \u5b58 KV&#xff0c;\u76f4\u63a5\u51cf\u534a\u3002V4.1 \u66f4\u8fdb\u4e00\u6b65\u7528 FP4&#xff0c;\u518d\u51cf\u534a\u3002\u8fd9\u662f\u552f\u4e00\u4e00\u9879\u65e2\u53ef\u4ee5\u5f53\u90e8\u7f72\u5f00\u5173&#xff08;\u63a8\u7406\u65f6\u76f4\u63a5\u91cf\u5316&#xff09;\u3001\u4e5f\u53ef\u4ee5\u8bad\u7ec3\u65f6\u5c31\u52a0\u8fdb\u53bb&#xff08;\u91cf\u5316\u611f\u77e5\u8bad\u7ec3&#xff09;\u7684\u6280\u672f\u3002<\/p>\n<h3>\u7a81\u7834\u56db&#xff1a;\u6ed1\u52a8\u7a97\u53e3\u548c\u7a00\u758f\u6ce8\u610f\u529b<\/h3>\n<p>\u5e8f\u5217\u7ef4\u5ea6\u4e0a&#xff0c;\u7b2c\u4e00\u4e2a\u60f3\u6cd5\u662f\u6ed1\u52a8\u7a97\u53e3\u6ce8\u610f\u529b&#xff08;SWA&#xff09;&#xff1a;\u6bcf\u4e2a token \u53ea\u770b\u6700\u8fd1\u7684 128 \u4e2a\u3002\u8fd9\u6837 SWA \u7684 KV \u5927\u5c0f\u56fa\u5b9a&#xff0c;\u548c\u4e0a\u4e0b\u6587\u957f\u5ea6\u65e0\u5173\u3002<\/p>\n<p>\u4f46\u53ea\u770b\u6700\u8fd1 128 \u4e2a\u663e\u7136\u4e0d\u591f&#xff0c;\u8981\u914d\u4e00\u4e2a\u80fd\u770b\u5168\u5c40\u7684\u5206\u652f\u3002\u5168\u5c40\u5206\u652f\u600e\u4e48\u7701&#xff1f;\u7a00\u758f\u6ce8\u610f\u529b&#xff1a;\u7528\u4e00\u4e2a\u8f7b\u91cf\u7d22\u5f15\u5668\u7ed9\u6240\u6709\u5386\u53f2 token \u6253\u5206&#xff0c;\u53ea\u6311\u5206\u6570\u6700\u9ad8\u7684 512 \u4e2a\u6765\u505a\u6ce8\u610f\u529b\u3002DeepSeek-V3.2 \u7684 DSA \u5c31\u662f\u8fd9\u4e2a\u601d\u8def\u3002<\/p>\n<p>\u6ce8\u610f\u7a00\u758f\u6ce8\u610f\u529b\u7701\u7684\u662f\u8bfb\u53d6&#xff0c;\u4e0d\u662f\u5b58\u50a8\u3002KV \u8fd8\u662f\u8981\u5168\u5b58\u7740&#xff0c;\u53ea\u662f\u6bcf\u6b21\u53ea\u8bfb\u4e00\u90e8\u5206\u3002\u8981\u7701\u5b58\u50a8\u6709\u4e24\u6761\u8def\u3002\u4e00\u6761\u662f\u538b\u7f29&#xff1a;DeepSeek-V4 \u7684 CSA \u628a\u6bcf 2 \u4e2a token \u7684 KV \u538b\u6210 1 \u6761&#xff0c;\u8bad\u8fdb\u53bb\u7684\u3002\u53e6\u4e00\u6761\u662f\u9a71\u9010&#xff1a;\u8fd0\u884c\u65f6\u6309\u91cd\u8981\u6027\u4e22 token&#xff0c;\u6bd4\u5982 H2O \u4fdd\u7559\u6700\u8fd1\u7684 token \u52a0\u4e0a\u5386\u53f2\u4e0a\u88ab\u5173\u6ce8\u6700\u591a\u7684\u90a3\u4e9b\u3002\u9a71\u9010\u662f\u90e8\u7f72\u5f00\u5173&#xff0c;\u4ee3\u4ef7\u662f\u4e22\u6389\u7684 token \u771f\u7684\u6ca1\u4e86&#xff0c;\u4e00\u4e2a\u5f53\u4e0b\u6ca1\u4eba\u770b\u7684\u5de5\u5177\u7ed3\u679c&#xff0c;\u53ef\u80fd\u51e0\u8f6e\u4e4b\u540e\u6b63\u662f\u9700\u8981\u7684\u3002<\/p>\n<p>\u8fd8\u6709\u4e00\u6761\u66f4\u6fc0\u8fdb\u7684\u8def&#xff1a;Qwen3-Next\u3001Jamba \u8fd9\u7c7b\u6df7\u5408\u6a21\u578b\u7528\u5faa\u73af\u5c42\u7684\u56fa\u5b9a\u5927\u5c0f\u72b6\u6001\u4ee3\u66ff\u5927\u90e8\u5206\u5c42\u7684 KV&#xff0c;\u53ea\u7559\u5c11\u6570\u5168\u6ce8\u610f\u529b\u5c42\u3002\u8fd9\u662f\u4e09\u4e2a\u7ef4\u5ea6\u4e4b\u5916\u7684\u7b2c\u56db\u6761\u8def&#xff0c;DeepSeek \u5b8c\u5168\u6ca1\u8d70\u8fd9\u6761\u8def&#xff0c;\u4f46\u6211\u4eec\u8fd8\u662f\u9700\u8981\u77e5\u9053\u4e00\u4e0b&#xff0c;\u5b83\u662f\u5f53\u524d\u53e6\u4e00\u5927\u6d41\u6d3e\u3002<\/p>\n<h3>\u7a81\u7834\u4e94&#xff1a;\u8de8\u5c42\u590d\u7528&#xff0c;\u522b\u5b58\u90a3\u4e48\u591a\u4efd<\/h3>\n<p>\u5c42\u6570\u8fd9\u4e00\u7ef4&#xff0c;2024 \u5e74\u7684 CLA \u63d0\u51fa\u8ba9\u76f8\u90bb\u5c42\u5171\u7528 KV&#xff0c;YoCo \u66f4\u6fc0\u8fdb&#xff1a;\u6a21\u578b\u4e0b\u534a\u6bb5\u7684\u5c42\u7b97 KV&#xff0c;\u4e0a\u534a\u6bb5\u76f4\u63a5\u7528\u3002<\/p>\n<p>\u8fd9\u4e00\u7ef4\u7684\u6f5c\u529b\u5176\u5b9e\u6700\u5927&#xff0c;\u4e00\u4e2a 40 \u5c42\u7684\u6a21\u578b&#xff0c;\u5982\u679c\u53ea\u5b58 4 \u4efd KV \u800c\u4e0d\u662f 40 \u4efd&#xff0c;\u5c31\u662f 10 \u500d\u3002V4.1 \u5728\u8fd9\u90e8\u5206\u505a\u4e86\u6700\u591a\u7684\u529f\u8bfe\u3002<\/p>\n<p>\u7a81\u7834\u516d&#xff1a;\u7cfb\u7edf\u5c42&#xff0c;\u4e0d\u6539\u6a21\u578b\u6539\u90e8\u7f72<\/p>\n<p>vLLM \u7684 PagedAttention \u501f\u9274\u64cd\u4f5c\u7cfb\u7edf\u7684\u865a\u62df\u5185\u5b58&#xff0c;\u628a KV \u6309\u56fa\u5b9a\u5927\u5c0f\u7684\u9875\u5206\u914d&#xff0c;\u89e3\u51b3\u663e\u5b58\u788e\u7247\u3002\u524d\u7f00\u7f13\u5b58\u8ba9\u591a\u4e2a\u8bf7\u6c42\u5171\u4eab\u76f8\u540c\u5f00\u5934\u7684 KV \u9875\u3002\u5206\u5c42\u5378\u8f7d\u628a\u4e0d\u6d3b\u8dc3\u7684 KV \u632a\u5230\u4e3b\u673a\u5185\u5b58\u548c SSD\u3002<\/p>\n<p>\u8fd9\u4e09\u6837\u90fd\u662f\u90e8\u7f72\u5f00\u5173&#xff0c;\u5171\u540c\u7279\u70b9\u662f\u4e0d\u6539\u53d8\u4e00\u4e2a\u8bf7\u6c42\u7684 KV \u6709\u591a\u5c11\u5b57\u8282&#xff0c;\u6539\u53d8\u7684\u662f\u6d6a\u8d39\u591a\u5c11\u3001\u91cd\u590d\u591a\u5c11\u3001\u653e\u5728\u54ea\u91cc\u3002\u7cfb\u7edf\u5c42\u7684\u6539\u52a8\u548c\u6a21\u578b\u5c42\u7684\u6539\u52a8\u662f\u76f8\u4e58\u7684&#xff0c;\u8fd9\u4e00\u70b9\u5728 V4.1 \u4e0a\u5f88\u663e\u8457&#xff0c;\u63a5\u4e0b\u6765\u6211\u4eec\u80fd\u770b\u5230\u3002<\/p>\n<h3><\/h3>\n<h2>\u56db\u3001DS-V4.1-Flash&#xff1a;\u67b6\u6784\u3001\u7f13\u5b58\u7cbe\u5ea6\u3001\u90e8\u7f72\u7b56\u7565\u4e09\u5c42\u8054\u5408\u4f18\u5316<\/h2>\n<p>\u524d\u9762\u7684\u6bcf\u4e00\u6b21\u7a81\u7834\u57fa\u672c\u5404\u6253\u4e00\u7ef4&#xff0c;V4.1 \u7684\u6838\u5fc3\u4e3b\u5f20\u662f\u5728\u67b6\u6784\u3001\u7f13\u5b58\u7cbe\u5ea6\u3001\u90e8\u7f72\u7b56\u7565\u4e09\u4e2a\u5c42\u9762\u8054\u5408\u4f18\u5316&#xff0c;\u4e09\u4e2a\u7ef4\u5ea6\u52a0\u7cfb\u7edf\u5c42\u4e00\u8d77\u538b\u7f29\u3002\u7ed3\u679c\u662f HBM \u91cc\u7684\u5168\u5c40 KV \u538b\u7f29\u5230 V4-Flash \u7684 1\/4&#xff0c;SSD \u91cc\u7684\u6301\u4e45\u5316 KV \u538b\u7f29\u5230 1\/8\u3002<\/p>\n<h3><\/h3>\n<h3>CED&#xff1a;\u4e0a\u534a\u6bb5\u6a21\u578b\u7684 KV \u7531\u4e0b\u534a\u6bb5\u4ee3\u7b97<\/h3>\n<p>V4.1 \u662f\u4e00\u4e2a 40 \u5c42\u7684\u6a21\u578b&#xff0c;\u524d 20 \u5c42\u53eb\u56e0\u679c\u7f16\u7801\u5668&#xff0c;\u540e 20 \u5c42\u53eb\u89e3\u7801\u5668&#xff1a;<\/p>\n<p>\u5e38\u89c4 Transformer \u91cc&#xff0c;\u7b2c 30 \u5c42\u7684 KV \u7531\u7b2c 30 \u5c42\u81ea\u5df1\u7684\u9690\u72b6\u6001\u7b97\u51fa\u6765\u3002CED \u8bf4\u4e0d\u7528&#xff0c;\u7b2c 21 \u5230 40 \u5c42\u7684\u5168\u5c40 KV \u5168\u90e8\u7531\u7b2c 20 \u5c42\u7684\u8f93\u51fa\u4e58\u5404\u5c42\u72ec\u7acb\u7684\u6295\u5f71\u77e9\u9635\u5f97\u5230\u3002<\/p>\n<p>\u8fd9\u610f\u5473\u7740 prefill \u53ea\u9700\u8981\u8dd1\u524d 20 \u5c42&#xff0c;\u540e 20 \u5c42\u7684 KV \u4e00\u4e2a\u77e9\u9635\u4e58\u6cd5\u5c31\u62ff\u5230\u4e86\u3002prefill \u7684\u6fc0\u6d3b\u53c2\u6570\u4ece 16B \u964d\u5230 8B&#xff0c;\u8ba1\u7b97\u91cf\u51cf\u534a\u3002\u5bf9 prefill \u91cd\u7684 agent \u8d1f\u8f7d\u6765\u8bf4&#xff0c;\u8fd9\u662f\u76f4\u63a5\u7701\u4e00\u534a\u3002<\/p>\n<p>CED \u7684\u7075\u611f\u6765\u81ea YoCo&#xff0c;\u4f46\u6bcf\u4e2a decoder \u5c42\u6709\u81ea\u5df1\u7684\u6295\u5f71\u77e9\u9635&#xff0c;KV \u5bb9\u91cf\u6ca1\u6253\u6298&#xff1b;\u6ed1\u52a8\u7a97\u53e3\u7684 KV \u4ecd\u7136\u9010\u5c42\u81ea\u7b97&#xff0c;\u5c40\u90e8\u4fe1\u606f\u7684\u6df1\u5ea6\u6ca1\u6253\u6298\u3002<\/p>\n<h3><\/h3>\n<h3>CSA2&#xff1a;\u4e09\u79cd\u6a21\u5f0f&#xff0c;40 \u5c42\u53ea\u5b58 4 \u4efd<\/h3>\n<p>CSA2 \u662f\u8fd9\u6b21\u67b6\u6784\u4e0a\u6700\u6838\u5fc3\u7684\u6539\u52a8\u3002\u6bcf\u4e00\u5c42\u88ab\u9759\u6001\u5206\u914d\u4e09\u79cd\u6a21\u5f0f\u4e4b\u4e00&#xff1a;<\/p>\n<ul>\n<li>\n<p>Full \u6a21\u5f0f&#xff1a;\u5168\u5957\u81ea\u5df1\u7b97\u3002\u7b97 main KV&#xff0c;\u6295\u5f71\u51fa\u7d22\u5f15\u5668\u7684 K&#xff0c;\u7b97\u7d22\u5f15\u5668\u7684 Q&#xff0c;\u6253\u5206\u9009\u51fa Top-512\u3002<\/p>\n<\/li>\n<li>\n<p>Reindex \u6a21\u5f0f&#xff1a;\u501f\u7528\u6700\u8fd1\u4e00\u4e2a Full \u5c42\u7684 main KV \u548c\u7d22\u5f15\u5668 K&#xff0c;\u4f46\u7528\u81ea\u5df1\u7684\u7d22\u5f15\u5668 Q \u91cd\u65b0\u6253\u5206\u3002KV \u4e0d\u5b58&#xff0c;\u4f46\u6bcf\u5c42\u80fd\u6311\u4e0d\u540c\u7684 512 \u6761\u6765\u770b\u3002<\/p>\n<\/li>\n<li>\n<p>Reuse \u6a21\u5f0f&#xff1a;main KV \u548c Top-512 \u7d22\u5f15\u5168\u501f&#xff0c;\u76f4\u63a5\u505a\u6ce8\u610f\u529b\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4e09\u79cd\u6a21\u5f0f\u90fd\u4fdd\u7559\u81ea\u5df1\u7684 Q \u548c SWA KV&#xff0c;\u533a\u522b\u53ea\u5728 main KV\u3001\u7d22\u5f15\u5668 K\u3001Top-K \u7d22\u5f15\u8fd9\u4e09\u6837\u4ece\u54ea\u6765\u3002<\/p>\n<p>\u62a5\u544a\u7ed9\u51fa\u4e86 40 \u5c42\u7684\u5b9e\u9645\u6392\u5e03&#xff1a;<\/p>\n<p>\u7f16\u7801\u5668 18 \u5c42\u5206 3 \u7ec4&#xff0c;\u6bcf\u7ec4 1 \u4e2a Full \u52a0 5 \u4e2a Reuse&#xff0c;\u6bcf 2 \u4e2a token \u538b\u6210 1 \u6761\u3002\u89e3\u7801\u5668 20 \u5c42\u5206 5 \u7ec4&#xff0c;\u7b2c\u4e00\u7ec4 1 \u4e2a Full \u52a0 3 \u4e2a Reuse&#xff0c;\u540e\u56db\u7ec4 1 \u4e2a Reindex \u52a0 3 \u4e2a Reuse\u3002<\/p>\n<p>\u6211\u4eec\u6570\u4e00\u6570&#xff1a;40 \u5c42\u91cc\u5904\u4e8e Full \u6a21\u5f0f\u7684\u53ea\u6709 4 \u5c42\u3002\u53ea\u6709\u8fd9 4 \u5c42\u6709\u5b9e\u9645\u5f00\u9500&#xff0c;\u5176\u4f59 36 \u5c42\u90fd\u4e0d\u5360\u7528\u7a7a\u95f4\u3002<\/p>\n<h3><\/h3>\n<h3>\u5c42\u7ea7\u7a00\u758f\u7d22\u5f15\u5668&#xff1a;\u540e\u9762\u7684\u5c42\u53ea\u5728\u5019\u9009\u6c60\u91cc\u627e<\/h3>\n<p>\u8de8\u5c42\u590d\u7528\u7d22\u5f15\u51cf\u5c11\u4e86\u6253\u5206\u6b21\u6570&#xff0c;\u4f46\u5269\u4e0b\u7684 Full \u548c Reindex \u5c42\u8fd8\u662f\u8981\u7ed9\u6574\u4e2a\u4e0a\u4e0b\u6587\u6253\u5206&#xff0c;\u4e00\u767e\u4e07 token \u7684\u4e0a\u4e0b\u6587\u8fd9\u4e2a\u6210\u672c\u4e0d\u5c0f\u3002<\/p>\n<p>\u5c42\u7ea7\u7a00\u758f\u7d22\u5f15\u5668\u53ea\u5728\u89e3\u7801\u5668\u91cc\u7528&#xff1a;\u7b2c\u4e00\u4e2a Full \u5c42\u7ed9\u6240\u6709\u4f4d\u7f6e\u6253\u5b8c\u5206\u540e&#xff0c;\u6309 8 \u4e2a\u4f4d\u7f6e\u4e00\u5757\u53d6\u6bcf\u5757\u6700\u9ad8\u5206&#xff0c;\u9009\u51fa\u524d 2048 \u5757&#xff0c;\u5f97\u5230 16,384 \u4e2a\u5019\u9009\u4f4d\u7f6e\u7684\u6c60\u5b50\u3002\u540e\u9762\u7684 Reindex \u5c42\u53ea\u5728\u6c60\u5b50\u91cc\u6253\u5206\u3002\u540e\u7eed\u7d22\u5f15\u5668\u7684\u6210\u672c\u4ece\u968f\u4e0a\u4e0b\u6587\u7ebf\u6027\u589e\u957f\u53d8\u6210\u5e38\u6570\u3002\u62a5\u544a\u7684 Figure 2 \u663e\u793a&#xff0c;\u4e0a\u4e0b\u6587\u4ece 4K \u6269\u5230 1M&#xff0c;V4.1 \u5355\u4e2a token \u7684 decode \u8ba1\u7b97\u91cf\u53ea\u6da8\u4e86\u56db\u5206\u4e4b\u4e00\u3002<\/p>\n<p>\u6309\u7b2c\u4e09\u8282\u7684\u533a\u5206&#xff0c;\u8fd9\u4e00\u9879\u7701\u7684\u662f\u8bfb\u53d6\u3002CSA2 \u7684\u8de8\u5c42\u590d\u7528\u548c FP4 \u8d1f\u8d23\u7f29\u5c0f\u76d2\u5b50&#xff0c;\u5c42\u7ea7\u7d22\u5f15\u5668\u8d1f\u8d23\u8ba9\u6bcf\u4e00\u6b65\u53ea\u8bfb\u76d2\u5b50\u7684\u4e00\u5c0f\u89d2\u3002\u4e24\u4ef6\u4e8b\u90fd\u505a\u4e86&#xff0c;\u624d\u540c\u65f6\u62ff\u5230 890 \u5b57\u8282\u548c\u51e0\u4e4e\u4e0d\u968f\u4e0a\u4e0b\u6587\u589e\u957f\u7684 decode \u8ba1\u7b97\u91cf\u3002<\/p>\n<h3><\/h3>\n<h3>P4 main KV&#xff1a;\u4e00\u4e2a\u6570\u53ea\u5360\u534a\u5b57\u8282<\/h3>\n<p>\u7cbe\u5ea6\u8fd9\u4e00\u7ef4&#xff0c;V4.1 \u628a main KV \u4ece V4 \u7684 FP8 \u538b\u5230 FP4&#xff1a;E2M1 \u683c\u5f0f&#xff0c;\u6bcf 16 \u4e2a\u901a\u9053\u5171\u7528\u4e00\u4e2a FP8 \u7f29\u653e\u56e0\u5b50&#xff0c;\u9009 OCP \u6807\u51c6\u7684 MXFP4 \u662f\u4e3a\u4e86\u517c\u5bb9\u5c3d\u53ef\u80fd\u591a\u7684\u786c\u4ef6\u3002\u5b83\u53c2\u8003\u4e86 NVIDIA \u7684 NVFP4 \u4f46\u53bb\u6389\u4e86\u7b2c\u4e8c\u7ea7\u5168\u5c40\u7f29\u653e\u56e0\u5b50&#xff0c;\u62a5\u544a\u7528 RMSNorm \u4e4b\u540e latent \u8303\u6570\u6709\u4e0a\u754c\u8fd9\u4e00\u6761\u8bba\u8bc1\u4e86\u5168\u5c40\u7f29\u653e\u7eaf\u5c5e\u591a\u4f59\u3002<\/p>\n<p>\u8fd9\u91cc\u6709\u4e24\u4e2a\u7ec6\u8282&#xff0c;\u4e00\u662f FP4 \u53ea\u7528\u6765\u5b58&#xff0c;\u7b97\u6ce8\u610f\u529b\u4e4b\u524d\u5148\u53cd\u91cf\u5316&#xff0c;\u6240\u4ee5\u4e0d\u4f9d\u8d56\u786c\u4ef6\u539f\u751f FP4 \u77e9\u9635\u4e58\u6cd5\u3002\u4e8c\u662f SWA KV \u5bf9\u91cf\u5316\u654f\u611f&#xff0c;\u4ecd\u7136\u4fdd\u7559 FP8&#xff1b;main KV \u7684\u7cbe\u5ea6\u635f\u5931\u9760\u540e\u8bad\u7ec3\u9636\u6bb5\u7684\u91cf\u5316\u611f\u77e5\u8bad\u7ec3\u538b\u5230\u8fb9\u9645\u6c34\u5e73\u3002<\/p>\n<p>890 \u5b57\u8282\u662f\u600e\u4e48\u7b97\u51fa\u6765\u7684<\/p>\n<p>\u867d\u7136DS\u5b98\u65b9\u62a5\u544a\u6ca1\u6709\u7ed9\u51fa\u5206\u89e3&#xff0c;\u6211\u4eec\u6309\u683c\u5f0f\u53c2\u6570\u548c\u5c42\u914d\u7f6e\u53cd\u63a8&#xff0c;\u4f30\u7b97\u51fa\u4e00\u4e2a\u7ed3\u679c&#xff1a;<\/p>\n<p>\u4e00\u6761 FP4 main KV&#xff1a;512 \u7ef4 \u00d7 0.5 \u5b57\u8282&#xff0c;\u52a0 32 \u4e2a\u7f29\u653e\u56e0\u5b50\u5404 1 \u5b57\u8282&#xff0c;288 \u5b57\u8282\u3002\u4e00\u6761 FP4 \u7d22\u5f15\u5668 K&#xff1a;128 \u7ef4 \u00d7 0.5 \u5b57\u8282&#xff0c;\u52a0 8 \u4e2a\u7f29\u653e\u56e0\u5b50&#xff0c;72 \u5b57\u8282\u3002\u7f16\u7801\u5668 3 \u4efd&#xff0c;\u538b\u7f29\u6bd4 2 \u610f\u5473\u7740\u6bcf token \u53ea\u5360\u534a\u6761&#xff0c;3 \u00d7 360 \u00f7 2 &#061; 540 \u5b57\u8282\u3002\u89e3\u7801\u5668 1 \u4efd&#xff0c;360 \u5b57\u8282\u3002\u5408\u8ba1\u7ea6 900 \u5b57\u8282&#xff0c;\u548c\u62a5\u544a\u7684 890 \u5b57\u8282\u57fa\u672c\u543b\u5408\u3002<\/p>\n<h3><\/h3>\n<h3>\u7cfb\u7edf\u5c42&#xff1a;\u6309\u5b58\u6d3b\u591a\u4e45\u5206\u5c42&#xff0c;\u800c\u975e\u6309\u5927\u5c0f\u5206\u5c42<\/h3>\n<p>\u6a21\u578b\u5c42\u7684\u6539\u52a8\u5230\u6b64\u4e3a\u6b62&#xff0c;HBM \u91cc\u7684 KV \u538b\u5230\u4e86 1\/4\u3002\u62a5\u544a\u8fd8\u6709\u53e6\u4e00\u534a\u529f\u592b\u5728\u90e8\u7f72\u7cfb\u7edf\u4e0a&#xff0c;\u628a SSD \u91cc\u7684\u6301\u4e45\u5316 KV \u538b\u5230 1\/8\u3002\u8fd9\u4e00\u534a\u548c\u786c\u4ef6\u7684\u5173\u7cfb\u6700\u5bc6\u5207\u3002<\/p>\n<p>\u5148\u770b V4 \u7684\u95ee\u9898&#xff0c;V4 \u7684\u6301\u4e45\u5316\u7f13\u5b58\u91cc&#xff0c;SWA KV \u5360\u4e86\u5c06\u8fd1\u4e00\u534a\u3002\u4f46 SWA KV \u7684\u8bbf\u95ee\u6a21\u5f0f\u548c\u5168\u5c40 KV \u5b8c\u5168\u4e0d\u540c&#xff1a;\u5168\u5c40 KV \u662f\u957f\u5c3e\u590d\u7528&#xff0c;\u4e00\u4e2a\u524d\u7f00\u51e0\u5341\u4e2a\u5c0f\u65f6\u540e\u8fd8\u53ef\u80fd\u88ab\u547d\u4e2d&#xff1b;SWA KV \u53ea\u5728\u4e00\u4e2a\u6d3b\u8dc3\u4f1a\u8bdd\u7684\u51e0\u5206\u949f\u91cc\u6709\u7528&#xff0c;\u4f1a\u8bdd\u4e00\u7ed3\u675f\u5c31\u6210\u4e86\u6b7b\u6570\u636e\u3002\u7528 72 \u5c0f\u65f6\u7684 LRU \u7b56\u7565\u53bb\u7ba1\u7406\u5206\u949f\u7ea7\u7684\u6570\u636e&#xff0c;\u7eaf\u5c5e\u6d6a\u8d39\u3002V4.1 \u7684\u89e3\u51b3\u65b9\u6848\u5206\u6210\u4e09\u5c42&#xff1a;<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"435\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260918174052-6aad77a4e199a.png\" width=\"679\" \/><\/p>\n<ul>\n<li>\n<p>HBM&#xff1a;\u6b63\u5728\u670d\u52a1\u7684\u8bf7\u6c42\u7684 runtime KV\u3002\u6beb\u79d2\u7ea7\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e3b\u673a\u5185\u5b58 DRAM \u6c60&#xff08;\u65b0\u589e&#xff09;&#xff1a;\u6bcf\u53f0\u673a\u5668\u5212\u51fa 10% \u7684 DRAM \u7ec4\u6210\u5206\u5e03\u5f0f\u5185\u5b58\u6c60&#xff0c;\u53ea\u653e\u7f16\u7801\u5668\u7684 SWA KV&#xff0c;TTL \u51e0\u5206\u949f\u3002\u5bb9\u91cf\u8fdc\u5c0f\u4e8e SSD&#xff0c;\u4f46\u5468\u8f6c\u6781\u5feb\u3002<\/p>\n<\/li>\n<li>\n<p>SSD \u6301\u4e45\u5316\u7f13\u5b58&#xff1a;\u53ea\u653e\u5168\u5c40 KV&#xff0c;\u4fdd\u8bc1 72 \u5c0f\u65f6\u4ee5\u4e0a\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u90a3\u5c11\u6570\u547d\u4e2d\u4e86\u5168\u5c40 KV \u4f46 SWA KV \u5df2\u8fc7\u671f\u7684\u8bf7\u6c42\u600e\u4e48\u529e&#xff1f;\u8fd9\u5c31\u662f SWA Bounded Replay&#xff08;\u6709\u754c\u91cd\u653e&#xff09;\u3002\u5404\u5c42\u7684\u6ed1\u52a8\u7a97\u53e3\u4f9d\u8d56\u5c42\u5c42\u53e0\u52a0&#xff0c;\u7cbe\u786e\u91cd\u5efa\u7b2c 20 \u5c42\u7684 SWA \u72b6\u6001\u8981\u4ece 20 \u00d7 128 \u4e2a token \u4e4b\u524d\u5f00\u59cb\u7b97\u3002\u6709\u754c\u91cd\u653e\u4e0d\u8ffd\u6c42\u7cbe\u786e&#xff1a;\u53ea\u91cd\u653e\u6700\u8fd1 128 \u4e2a token&#xff0c;\u63a5\u53d7\u4e00\u4e2a\u8fd1\u4f3c\u72b6\u6001\u3002\u4e4b\u524d\u7684\u7814\u7a76\u8868\u660e SWA \u7684\u6709\u6548\u611f\u53d7\u91ce\u8fdc\u5c0f\u4e8e\u7406\u8bba\u503c&#xff0c;\u62a5\u544a\u7684\u5b9e\u9a8c\u4e5f\u786e\u8ba4\u8fd9\u5bf9\u56de\u7b54\u8d28\u91cf\u51e0\u4e4e\u6ca1\u6709\u5f71\u54cd\u3002<\/p>\n<p>\u8fd9\u4e00\u62db\u7528\u5728\u4e24\u5904\u3002\u7f16\u7801\u5668\u4fa7&#xff0c;\u5b83\u8ba9\u524d\u7f00\u7f13\u5b58\u53ea\u4f9d\u8d56\u5168\u5c40 KV&#xff0c;SWA KV \u4ece\u6b64\u4e0d\u5fc5\u8fdb SSD\u3002\u89e3\u7801\u5668\u4fa7\u66f4\u5f7b\u5e95&#xff1a;\u89e3\u7801\u5668\u7684 SWA KV \u6c38\u8fdc\u4e0d\u7f13\u5b58&#xff0c;\u6bcf\u6b21 prefill \u53ea\u628a prompt \u6700\u540e 128 \u4e2a token \u8fc7\u4e00\u904d\u89e3\u7801\u5668&#xff0c;prefill \u518d\u7701\u4e00\u534a\u3002<\/p>\n<p>\u4e8e\u662f\u6301\u4e45\u5316 KV \u7684 1\/8 \u5c31\u662f\u4e24\u4e2a\u56e0\u5b50\u7684\u4e58\u79ef&#xff1a;\u53bb\u6389 SWA KV \u7ea6\u7701\u4e00\u534a&#xff0c;\u5168\u5c40 KV \u672c\u8eab\u538b\u5230 1\/4\u3002<\/p>\n<h3><\/h3>\n<h2>\u4e94\u3001\u603b\u7ed3&#xff1a;\u8fd9\u4e9b\u5b57\u8282\u6700\u540e\u53d8\u6210\u4e86\u4ec0\u4e48<\/h2>\n<p>\u538b\u7f29 KV Cache \u5e76\u4e0d\u662f\u4e3a\u4e86\u8bba\u6587\u91cc\u7684\u6570\u5b57\u597d\u770b&#xff0c;\u5b83\u6700\u7ec8\u5c06\u843d\u5230API\u5b9a\u4ef7&#xff0c;\u4e0e\u6b64\u540c\u65f6&#xff0c;\u8fd8\u9700\u8981\u786e\u4fdd\u6548\u679c\u81f3\u5c11\u4e0d\u4f1a\u53d8\u5f31&#xff08;\u5bf9\u4e8e\u57fa\u5ea7\u6a21\u578b\u800c\u8a00&#xff09;\u3002<\/p>\n<h3><\/h3>\n<p>DeepSeek API\u5b9a\u4ef7\u4e0b\u8c03<\/p>\n<p>V4.1-Flash \u53d1\u5e03\u5f53\u5929&#xff0c;DeepSeek \u540c\u6b65\u8c03\u6574\u4e86 API \u4ef7\u683c&#xff1a;<\/p>\n<p>\u6700\u80fd\u4f53\u73b0 KV \u538b\u7f29\u7684\u4e00\u4e2a\u6570\u5b57\u662f\u7f13\u5b58\u547d\u4e2d\u4ef7&#xff1a;\u53ea\u6709\u672a\u547d\u4e2d\u4ef7\u7684 2%\u3002\u7528\u6237\u547d\u4e2d\u524d\u7f00\u7f13\u5b58\u65f6&#xff0c;\u670d\u52a1\u5546\u8981\u505a\u7684\u4e8b\u662f\u628a\u6301\u4e45\u5316KV \u4ece SSD \u642c\u56de HBM\u3002KV \u6bcf token \u8d8a\u5c0f&#xff0c;\u642c\u5f97\u8d8a\u5feb&#xff0c;\u5360\u7684 SSD \u8d8a\u5c11&#xff0c;\u80fd\u4fdd\u7559\u7684\u65f6\u95f4\u8d8a\u957f&#xff0c;\u8fd9\u4e2a\u4ef7\u683c\u5c31\u80fd\u5b9a\u5f97\u8d8a\u4f4e\u3002V4.1 \u628a\u6301\u4e45\u5316 KV \u538b\u5230 V4 \u7684 1\/8&#xff0c;\u76f4\u63a5\u5bf9\u5e94\u4e86\u8fd9\u4e2a\u4ef7\u683c\u7684\u4e0b\u8c03\u3002\u56db\u5929\u540e&#xff0c;\u6240\u6709 V4-Pro \u7684\u8bf7\u6c42\u88ab\u76f4\u63a5\u8def\u7531\u5230 V4.1-Flash&#xff0c;\u6309 V4.1-Flash \u7684\u4ef7\u683c\u8ba1\u8d39\u3002<\/p>\n<p>\u6a2a\u5411\u5bf9\u6bd4 Claude Opus 5 \u548c GPT-5.6 Sol&#xff1a;V4.1-Flash \u7684\u8f93\u51fa\u4ef7\u662f\u5b83\u4eec\u76841\/20\u52301\/25&#xff0c;\u7f13\u5b58\u547d\u4e2d\u4ef7\u662f\u5b83\u4eec\u76841\/80\u52301\/160\u3002\u800c\u4e14 DeepSeek \u7684\u524d\u7f00\u5728 SSD \u4e0a\u4fdd\u7559 72 \u5c0f\u65f6\u4ee5\u4e0a&#xff0c;Claude \u548c OpenAI \u7684\u7f13\u5b58\u9ed8\u8ba4 5 \u5206\u949f\u5230 1 \u5c0f\u65f6\u3002\u5bf9\u4e00\u4e2a\u8dd1\u51e0\u5929\u7684 agent \u4efb\u52a1&#xff0c;\u8fd9\u4e24\u4e2a\u5dee\u5f02\u662f\u53e0\u52a0\u4e4b\u540e&#xff0c;\u5bf9\u6210\u672c\u5f71\u54cd\u5de8\u5927\u3002<\/p>\n<h3><\/h3>\n<p>\u538b\u7f29\u8fd9\u4e48\u591a&#xff0c;\u80fd\u529b\u4e3a\u4f55\u4e0d\u964d\u53cd\u5347&#xff1f;<\/p>\n<p>\u5148\u770b\u770b\u62a5\u544a\u91cc\u7684\u5bf9\u6bd4&#xff1a;V4.1-Flash-Base \u7528 V4-Pro 1\/3 \u7684\u603b\u53c2\u6570\u548c 1\/4 \u7684\u6fc0\u6d3b\u53c2\u6570&#xff0c;\u5728\u4e16\u754c\u77e5\u8bc6\u3001\u63a8\u7406\u3001\u4ee3\u7801\u4e0a\u548c V4-Pro-Base \u6253\u5e73\u3002\u540e\u8bad\u7ec3\u4e4b\u540e&#xff0c;DeepSWE v1.1 \u62ff\u5230 74.2&#xff0c;\u548c Claude Opus 5 \u7684 74.0\u3001GPT-5.6 Sol \u7684 73.0 \u5728\u540c\u4e00\u6c34\u5e73\u3002<\/p>\n<p>KV 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