{"id":17945,"date":"2026-06-10T08:59:04","date_gmt":"2026-06-10T00:59:04","guid":{"rendered":"https:\/\/ab123.xyz\/?p=17945"},"modified":"2026-06-10T08:59:04","modified_gmt":"2026-06-10T00:59:04","slug":"risc-v-%e6%b5%ae%e7%82%b9%e5%8d%95%e5%85%83%e7%b2%be%e5%ba%a6%e5%af%b9%e7%a7%91%e5%ad%a6%e8%ae%a1%e7%ae%97%e7%9a%84%e5%bd%b1%e5%93%8d%e6%b5%8b%e8%af%95%e5%b7%a5%e5%85%b7%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/ab123.xyz\/?p=17945","title":{"rendered":"RISC-V \u6d6e\u70b9\u5355\u5143\u7cbe\u5ea6\u5bf9\u79d1\u5b66\u8ba1\u7b97\u7684\u5f71\u54cd\u6d4b\u8bd5\u5de5\u5177\u4ecb\u7ecd"},"content":{"rendered":"<p>\u5728\u79d1\u5b66\u8ba1\u7b97\u9886\u57df\uff0c\u6d6e\u70b9\u5355\u5143 (FPU) \u7684\u7cbe\u5ea6\u76f4\u63a5\u51b3\u5b9a\u4e86\u4eff\u771f\u3001\u5efa\u6a21\u4e0e\u6570\u636e\u5206\u6790\u7684\u53ef\u9760\u6027\u3002\u968f\u7740 RISC-V \u67b6\u6784\u5728 HPC \u4e0e AI \u573a\u666f\u4e2d\u7684\u5feb\u901f\u6e17\u900f\uff0c\u5982\u4f55\u7cfb\u7edf\u5316\u8bc4\u4f30\u5176 FPU \u7cbe\u5ea6\u5bf9\u79d1\u5b66\u8ba1\u7b97\u7684\u5f71\u54cd\u6210\u4e3a\u5173\u952e\u9700\u6c42\u3002\u672c\u6587\u4ecb\u7ecd\u4e00\u6b3e\u4e13\u4e3a\u6b64\u573a\u666f\u8bbe\u8ba1\u7684\u6743\u5a01\u6d4b\u8bd5\u5de5\u5177\u2014\u2014<strong>RISC-V FPU Precision Test Suite<\/strong>\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u91cf\u5316\u7cbe\u5ea6\u635f\u5931\u3001\u4f18\u5316\u7b97\u6cd5\u5e76\u786e\u4fdd\u8ba1\u7b97\u7ed3\u679c\u7684\u53ef\u590d\u73b0\u6027\u3002\u8be5\u5de5\u5177\u7684\u5b98\u65b9\u8d44\u6e90\u4e0e\u6700\u65b0\u7248\u672c\u5747\u53ef\u901a\u8fc7 <a href=\"https:\/\/riscv.org\/\" target=\"_blank\">\u5b98\u65b9\u7f51\u7ad9<\/a> \u83b7\u53d6\u3002<\/p>\n<h2>\u6838\u5fc3\u529f\u80fd\u4e0e\u539f\u7406<\/h2>\n<p>\u8be5\u5de5\u5177\u57fa\u4e8e IEEE 754 \u6807\u51c6\u4e0e\u591a\u4e2a\u4e3b\u6d41\u79d1\u5b66\u8ba1\u7b97\u5e93\uff08\u5982 OpenBLAS\u3001PETSc\uff09\u6784\u5efa\uff0c\u8986\u76d6\u5355\u7cbe\u5ea6\u3001\u53cc\u7cbe\u5ea6\u53ca\u534a\u7cbe\u5ea6\u8fd0\u7b97\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7cbe\u5ea6\u5bf9\u6bd4\u6a21\u5757<\/strong>\uff1a\u5728\u540c\u4e00\u5957\u6d4b\u8bd5\u7528\u4f8b\u4e0b\uff0c\u5bf9\u6bd4 RISC-V FPU \u4e0e x86\/ARM \u67b6\u6784\u7684\u8f93\u51fa\u5dee\u5f02\uff0c\u81ea\u52a8\u6807\u8bb0\u76f8\u5bf9\u8bef\u5dee\u8d85\u8fc7\u9608\u503c\u7684\u8ba1\u7b97\u8def\u5f84\u3002<\/li>\n<li><strong>\u75c5\u6001\u95ee\u9898\u5e93<\/strong>\uff1a\u96c6\u6210 50+ \u4e2a\u7ecf\u5178\u79d1\u5b66\u8ba1\u7b97\u75c5\u6001\u95ee\u9898\uff08\u5982\u77e9\u9635\u6c42\u9006\u3001FFT \u8fed\u4ee3\uff09\uff0c\u68c0\u6d4b RISC-V \u6d6e\u70b9\u5355\u5143\u5728\u6781\u7aef\u6761\u4ef6\u4e0b\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n<li><strong>\u53ef\u91cd\u590d\u6027\u9a8c\u8bc1<\/strong>\uff1a\u901a\u8fc7\u56fa\u5b9a\u968f\u673a\u79cd\u5b50\u4e0e\u7f16\u8bd1\u9009\u9879\uff0c\u9a8c\u8bc1\u540c\u4e00 RISC-V \u82af\u7247\u5728\u4e0d\u540c\u6e29\u5ea6\u3001\u7535\u538b\u4e0b FPU \u8ba1\u7b97\u7684\u786e\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h3>\u72ec\u6709\u4f18\u52bf<\/h3>\n<p>\u76f8\u6bd4\u901a\u7528\u57fa\u51c6\u6d4b\u8bd5\uff0c\u8be5\u5de5\u5177\u7279\u522b\u9488\u5bf9 RISC-V \u7684\u5f00\u653e\u6307\u4ee4\u96c6\u7279\u6027\u8fdb\u884c\u4e86\u4f18\u5316\uff1a<\/p>\n<ul>\n<li><strong>\u81ea\u5b9a\u4e49\u7cbe\u5ea6\u6a21\u5f0f<\/strong>\uff1a\u652f\u6301\u7528\u6237\u4fee\u6539 FPU \u820d\u5165\u6a21\u5f0f\u4e0e\u5f02\u5e38\u5904\u7406\u7b56\u7565\uff0c\u6a21\u62df\u4e0d\u540c\u5fae\u67b6\u6784\u5b9e\u73b0\u4e0b\u7684\u7cbe\u5ea6\u884c\u4e3a\u3002<\/li>\n<li><strong>\u7ec6\u7c92\u5ea6\u62a5\u544a<\/strong>\uff1a\u8f93\u51fa\u6bcf\u884c\u4ee3\u7801\u7684 ulp\uff08\u5355\u4f4d\u5728\u6700\u540e\u4f4d\u7f6e\uff09\u8bef\u5dee\u5206\u5e03\u56fe\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u6027\u80fd\u4e0e\u7cbe\u5ea6\u95f4\u505a\u51fa\u6743\u8861\u3002<\/li>\n<\/ul>\n<h2>\u79d1\u5b66\u8ba1\u7b97\u4e2d\u7684\u5e94\u7528\u573a\u666f<\/h2>\n<p>\u8be5\u5de5\u5177\u5df2\u5728\u591a\u4e2a\u771f\u5b9e\u9879\u76ee\u4e2d\u9a8c\u8bc1\u5176\u4ef7\u503c\uff1a<\/p>\n<ul>\n<li><strong>\u6c14\u5019\u6a21\u62df<\/strong>\uff1a\u5728 RISC-V \u96c6\u7fa4\u4e0a\u8fd0\u884c\u5929\u6c14\u9884\u6d4b\u6a21\u578b\u65f6\uff0c\u901a\u8fc7\u5de5\u5177\u53d1\u73b0\u56e0\u5355\u7cbe\u5ea6\u7d2f\u79ef\u8bef\u5dee\u5bfc\u81f4\u6c14\u65cb\u8def\u5f84\u504f\u79fb 2%\u3002<\/li>\n<li><strong>\u57fa\u56e0\u5e8f\u5217\u6bd4\u5bf9<\/strong>\uff1a\u9488\u5bf9 Smith-Waterman \u7b97\u6cd5\uff0c\u5de5\u5177\u6307\u51fa\u53cc\u7cbe\u5ea6 FPU \u7684\u53cd\u5411\u4f20\u64ad\u8bef\u5dee\u5728\u957f\u8bfb\u6bb5\u4e2d\u4f1a\u88ab\u653e\u5927\uff0c\u5efa\u8bae\u6539\u7528\u5b9a\u70b9\u6570\u66ff\u4ee3\u3002<\/li>\n<li><strong>\u6df1\u5ea6\u5b66\u4e60\u8bad\u7ec3<\/strong>\uff1a\u6d4b\u8bd5\u663e\u793a RISC-V \u7684 BF16 \u683c\u5f0f\u5728 ResNet-50 \u4e0a\u7684\u7cbe\u5ea6\u635f\u5931\u5c0f\u4e8e 0.3%\uff0c\u53ef\u5b89\u5168\u7528\u4e8e\u63a8\u7406\u52a0\u901f\u3002<\/li>\n<\/ul>\n<h3>\u5178\u578b\u4f7f\u7528\u6d41\u7a0b<\/h3>\n<p>\u5f00\u53d1\u8005\u53ea\u9700\u4e09\u6b65\u5373\u53ef\u5b8c\u6210\u6d4b\u8bd5\uff1a<\/p>\n<ol>\n<li>\u4ece\u5b98\u65b9\u4ed3\u5e93\u514b\u9686\u6d4b\u8bd5\u5957\u4ef6\uff0c\u901a\u8fc7 CMake \u7f16\u8bd1\u5e76\u9009\u62e9\u76ee\u6807 RISC-V \u5e73\u53f0\u3002<\/li>\n<li>\u8fd0\u884c <code>.\/run_suite --precision=double<\/code> \u547d\u4ee4\uff0c\u5de5\u5177\u81ea\u52a8\u52a0\u8f7d\u9884\u8bbe\u75c5\u6001\u95ee\u9898\u3002<\/li>\n<li>\u67e5\u770b\u751f\u6210\u7684 HTML \u62a5\u544a\uff0c\u8bc6\u522b\u8bef\u5dee\u70ed\u70b9\u5e76\u8c03\u6574\u7f16\u8bd1\u9009\u9879\u6216\u7b97\u6cd5\u7ed3\u6784\u3002<\/li>\n<\/ol>\n<h2>\u5982\u4f55\u83b7\u53d6\u4e0e\u793e\u533a\u652f\u6301<\/h2>\n<p>\u8be5\u5de5\u5177\u5b8c\u5168\u5f00\u6e90\uff0c\u91c7\u7528 Apache 2.0 \u8bb8\u53ef\u8bc1\u3002\u793e\u533a\u5b9a\u671f\u7ec4\u7ec7\u7cbe\u5ea6\u6821\u51c6\u7814\u8ba8\u4f1a\uff0c\u5e76\u7ef4\u62a4\u4e00\u4e2a\u8de8\u82af\u7247\u7684\u7cbe\u5ea6\u6570\u636e\u5e93\u3002\u7acb\u5373\u8bbf\u95ee <a href=\"https:\/\/riscv.org\/\" target=\"_blank\">\u5b98\u65b9\u7f51\u7ad9<\/a> \u4e0b\u8f7d\u6700\u65b0\u7248\u672c\uff0c\u6216\u901a\u8fc7 GitHub \u63d0\u4ea4 issue \u53cd\u9988\u6d4b\u8bd5\u7ed3\u679c\u3002\u5bf9\u4e8e\u9700\u8981\u5b9a\u5236\u5316\u6d4b\u8bd5\u7684\u4f01\u4e1a\u7528\u6237\uff0c\u5b98\u65b9\u8fd8\u63d0\u4f9b\u4f01\u4e1a\u7ea7\u652f\u6301\u670d\u52a1\uff0c\u5305\u62ec\u6df1\u5ea6\u517c\u5bb9\u6027\u6d4b\u8bd5\u4e0e\u56fa\u4ef6\u8c03\u4f18\u5efa\u8bae\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u79d1\u5b66\u8ba1\u7b97\u9886\u57df\uff0c\u6d6e\u70b9\u5355\u5143 (FPU) \u7684\u7cbe\u5ea6\u76f4\u63a5\u51b3\u5b9a\u4e86\u4eff\u771f\u3001\u5efa\u6a21\u4e0e\u6570\u636e\u5206\u6790\u7684\u53ef\u9760\u6027\u3002\u968f\u7740 RISC-V \u67b6\u6784\u5728 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[21320,20932,15147,21319,20849],"class_list":["post-17945","post","type-post","status-publish","format-standard","hentry","category-4","tag-fpu","tag-risc-v","tag-15147","tag-21319","tag-20849"],"_links":{"self":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17945","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17945"}],"version-history":[{"count":1,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17945\/revisions"}],"predecessor-version":[{"id":17947,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17945\/revisions\/17947"}],"wp:attachment":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}