{"id":17740,"date":"2026-06-10T08:49:18","date_gmt":"2026-06-10T00:49:18","guid":{"rendered":"https:\/\/ab123.xyz\/?p=17740"},"modified":"2026-06-10T08:49:18","modified_gmt":"2026-06-10T00:49:18","slug":"risc-v-%e5%90%91%e9%87%8f%e5%8d%95%e5%85%83%e5%9c%a8-h-265-%e8%a7%86%e9%a2%91%e7%bc%96%e7%a0%81%e4%b8%ad%e7%9a%84%e5%8a%a0%e9%80%9f%e6%95%88%e6%9e%9c%e5%ae%9e%e6%b5%8b%ef%bc%9a%e5%85%a8%e6%96%b0","status":"publish","type":"post","link":"https:\/\/ab123.xyz\/?p=17740","title":{"rendered":"RISC-V \u5411\u91cf\u5355\u5143\u5728 H.265 \u89c6\u9891\u7f16\u7801\u4e2d\u7684\u52a0\u901f\u6548\u679c\u5b9e\u6d4b\uff1a\u5168\u65b0\u5f00\u6e90\u57fa\u51c6\u5957\u4ef6\u6df1\u5ea6\u89e3\u6790"},"content":{"rendered":"

\u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u8ba1\u7b97\u6280\u672f\u7814\u7a76\u6240\u8054\u5408 RISC-V \u56fd\u9645\u5f00\u6e90\u793e\u533a\u6b63\u5f0f\u53d1\u5e03\u4e86 RVV-H265-Benchmark \u5b98\u65b9\u7f51\u7ad9<\/a>\uff0c\u8fd9\u662f\u4e00\u6b3e\u4e13\u4e3a\u8bc4\u4f30 RISC-V \u5411\u91cf\u6269\u5c55\uff08RVV\uff09\u5728 H.265\/HEVC \u89c6\u9891\u7f16\u7801\u4e2d\u52a0\u901f\u6548\u679c\u800c\u8bbe\u8ba1\u7684\u5f00\u6e90\u57fa\u51c6\u6d4b\u8bd5\u5de5\u5177\u3002\u8be5\u5de5\u5177\u57fa\u4e8e\u4e3b\u6d41\u7684 x265 \u7f16\u7801\u5668\uff0c\u901a\u8fc7\u6df1\u5ea6\u9002\u914d RVV 1.0 \u6307\u4ee4\u96c6\uff0c\u5b9e\u73b0\u4e86\u5bf9\u8fd0\u52a8\u4f30\u8ba1\u3001\u6574\u6570\u53d8\u6362\u3001\u73af\u8def\u6ee4\u6ce2\u7b49\u5173\u952e\u6a21\u5757\u7684\u5411\u91cf\u5316\u91cd\u6784\uff0c\u4e3a\u82af\u7247\u8bbe\u8ba1\u8005\u4e0e\u7b97\u6cd5\u5de5\u7a0b\u5e08\u63d0\u4f9b\u4e86\u7cbe\u51c6\u7684\u6027\u80fd\u53c2\u8003\u3002<\/p>\n

\u5b9e\u6d4b\u6570\u636e\uff1a\u5411\u91cf\u5316\u52a0\u901f\u7a81\u7834 8 \u500d<\/h2>\n

\u6839\u636e\u5b98\u65b9\u516c\u5e03\u7684\u6d4b\u8bd5\u7ed3\u679c\uff0c\u5728\u642d\u8f7d RVV 1.0 \u7684 64 \u4f4d RISC-V \u5904\u7406\u5668\uff08\u5982\u610f TH1520\uff09\u4e0a\uff0cH.265 \u7f16\u7801 1080p@30fps \u89c6\u9891\u65f6\uff0c\u7f16\u7801\u901f\u5ea6\u4ece\u6807\u91cf\u6a21\u5f0f\u7684 12fps \u8dc3\u5347\u81f3 102fps\uff0c\u52a0\u901f\u6bd4\u9ad8\u8fbe 8.5 \u500d\u3002\u5176\u4e2d\uff0c\u8fd0\u52a8\u641c\u7d22\uff08Motion Search\uff09\u6a21\u5757\u53d7\u76ca\u6700\u4e3a\u663e\u8457\uff0c\u5411\u91cf\u5316\u540e\u541e\u5410\u91cf\u63d0\u5347\u8d85\u8fc7 10 \u500d\u3002<\/p>\n

\u4e3a\u4f55\u9009\u62e9 H.265\uff1f<\/h3>\n

H.265\uff08HEVC\uff09\u662f\u76ee\u524d\u6700\u5e7f\u6cdb\u4f7f\u7528\u7684\u89c6\u9891\u7f16\u7801\u6807\u51c6\u4e4b\u4e00\uff0c\u5176\u6781\u9ad8\u7684\u8ba1\u7b97\u590d\u6742\u5ea6\u5bf9\u5904\u7406\u5668\u5e76\u884c\u80fd\u529b\u63d0\u51fa\u4e25\u82db\u8981\u6c42\u3002RISC-V \u5411\u91cf\u5355\u5143\u51ed\u501f\u7075\u6d3b\u7684 VLA\uff08Variable-Length Architecture\uff09\u8bbe\u8ba1\uff0c\u80fd\u591f\u5355\u5468\u671f\u5904\u7406 256 \u4f4d\u81f3 1024 \u4f4d\u5bbd\u7684\u6570\u636e\uff0c\u6070\u597d\u5339\u914d H.265 \u4e2d 4\u00d74\u30018\u00d78\u300116\u00d716 \u7b49\u5757\u7ea7\u8fd0\u7b97\u6a21\u5f0f\u3002<\/p>\n

\u5de5\u5177\u6838\u5fc3\u4f18\u52bf<\/h2>\n
    \n
  • \u6a21\u5757\u7ea7\u53ef\u62c6\u89e3\u5206\u6790<\/strong>\uff1a\u652f\u6301\u5355\u72ec\u6d4b\u8bd5\u5e27\u5185\u9884\u6d4b\u3001\u91cf\u5316\u3001\u53bb\u5757\u6ee4\u6ce2\u7b49 8 \u4e2a\u5b50\u6a21\u5757\u7684\u5411\u91cf\u5316\u52a0\u901f\u6bd4\uff0c\u4fbf\u4e8e\u5b9a\u4f4d\u74f6\u9888\u3002<\/li>\n
  • \u81ea\u52a8\u5411\u91cf\u5316\u6307\u5bfc<\/strong>\uff1a\u5185\u7f6e\u5411\u91cf\u5316\u53ef\u884c\u6027\u626b\u63cf\u5668\uff0c\u53ef\u8f93\u51fa\u672a\u5411\u91cf\u5316\u4ee3\u7801\u884c\u53f7\u53ca\u91cd\u6784\u5efa\u8bae\u3002<\/li>\n
  • \u591a\u5e73\u53f0\u5bf9\u6bd4<\/strong>\uff1a\u652f\u6301\u5728 QEMU \u6a21\u62df\u5668\u3001FPGA \u539f\u578b\u5e73\u53f0\u53ca\u771f\u5b9e\u82af\u7247\u4e0a\u8fd0\u884c\uff0c\u5e76\u81ea\u52a8\u751f\u6210\u5bf9\u6bd4\u62a5\u544a\u3002<\/li>\n
  • \u5f00\u6e90\u514d\u8d39<\/strong>\uff1a\u91c7\u7528 Apache 2.0 \u534f\u8bae\uff0c\u6240\u6709\u6d4b\u8bd5\u5411\u91cf\u53ca\u811a\u672c\u5747\u53ef\u5728\u5b98\u7f51\u4ed3\u5e93\u83b7\u53d6\u3002<\/li>\n<\/ul>\n

    \u5e94\u7528\u573a\u666f<\/h2>\n

    RISC-V \u82af\u7247\u9a8c\u8bc1\u9636\u6bb5<\/h3>\n

    \u82af\u7247\u8bbe\u8ba1\u56e2\u961f\u53ef\u4f7f\u7528\u8be5\u5de5\u5177\u5728\u67b6\u6784\u4eff\u771f\u9636\u6bb5\u63d0\u524d\u9a8c\u8bc1\u5411\u91cf\u5355\u5143\u7684\u7f16\u7801\u6027\u80fd\uff0c\u907f\u514d\u6d41\u7247\u540e\u624d\u53d1\u73b0\u74f6\u9888\u3002<\/p>\n

    \u5d4c\u5165\u5f0f\u89c6\u9891\u8bbe\u5907\u4f18\u5316<\/h3>\n

    \u5bf9\u4e8e\u57fa\u4e8e RISC-V \u7684 IP \u6444\u50cf\u673a\u3001\u8fb9\u7f18 AI \u76d2\u5b50\u7b49\u4f4e\u529f\u8017\u8bbe\u5907\uff0c\u5de5\u5177\u8f93\u51fa\u7684\u6027\u80fd\u70ed\u70b9\u53ef\u76f4\u63a5\u6307\u5bfc\u7f16\u8bd1\u5668\u8c03\u4f18\uff0c\u4f7f\u7f16\u7801\u5e27\u7387\u63d0\u5347\u81f3\u5b9e\u65f6\u6c34\u5e73\u3002<\/p>\n

    \u5982\u4f55\u4f7f\u7528<\/h2>\n

    \u7528\u6237\u53ea\u9700\u5728 RISC-V \u73af\u5883\uff08\u652f\u6301 RVV 1.0 \u7684 Linux \u7cfb\u7edf\uff09\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u5373\u53ef\u542f\u52a8\u6d4b\u8bd5\uff1a<\/p>\n

    git clone https:\/\/example.com\/rvv-h265-benchmark
    cd rvv-h265-benchmark && make
    .\/benchmark --input test.yuv --size 1920x1080 --preset medium<\/code><\/p>\n

    \u6d4b\u8bd5\u5b8c\u6210\u540e\uff0c\u5f53\u524d\u76ee\u5f55\u4f1a\u751f\u6210 report.csv<\/strong>\uff0c\u5305\u542b\u6bcf\u4e2a\u9636\u6bb5\u7684\u65f6\u95f4\u6d88\u8017\u53ca\u52a0\u901f\u6bd4\u67f1\u72b6\u56fe\uff08PNG \u683c\u5f0f\uff09\u3002<\/p>\n

    \u8be5\u5de5\u5177\u7684\u53d1\u5e03\u6807\u5fd7\u7740 RISC-V \u5728\u591a\u5a92\u4f53\u8ba1\u7b97\u9886\u57df\u8fc8\u51fa\u4e86\u5173\u952e\u4e00\u6b65\uff0c\u672a\u6765\u56e2\u961f\u8ba1\u5212\u52a0\u5165\u5bf9 AV1 \u7f16\u7801\u7684\u5411\u91cf\u5316\u652f\u6301\uff0c\u5e76\u5f00\u653e\u4e91\u6d4b\u8bd5\u5e73\u53f0\u4f9b\u8fdc\u7a0b\u8c03\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u8ba1\u7b97\u6280\u672f\u7814\u7a76\u6240\u8054\u5408 RISC-V \u56fd\u9645\u5f00\u6e90\u793e\u533a\u6b63\u5f0f\u53d1\u5e03\u4e86 RVV-H265-Benchmark […]<\/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":[21105,20950,21108,21106,21107],"class_list":["post-17740","post","type-post","status-publish","format-standard","hentry","category-4","tag-h-265","tag-risc-v","tag-rvv","tag-21106","tag-21107"],"_links":{"self":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17740","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=17740"}],"version-history":[{"count":1,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17740\/revisions"}],"predecessor-version":[{"id":17741,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17740\/revisions\/17741"}],"wp:attachment":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}