{"id":3262,"date":"2025-10-17T09:23:53","date_gmt":"2025-10-17T01:23:53","guid":{"rendered":"http:\/\/www.xzclass.com\/?p=3262"},"modified":"2025-10-30T17:08:00","modified_gmt":"2025-10-30T09:08:00","slug":"%e5%b0%8f%e7%99%bd%e5%bf%85%e8%af%bb%ef%bc%9a%e5%88%b0%e5%ba%95%e4%bb%80%e4%b9%88%e6%98%affp32%e3%80%81fp16%e3%80%81int8%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/www.xzclass.com\/?p=3262","title":{"rendered":"\u5c0f\u767d\u5fc5\u8bfb\uff1a\u5230\u5e95\u4ec0\u4e48\u662fFP32\u3001FP16\u3001INT8\uff1f"},"content":{"rendered":"
\u7f51\u4e0a\u5173\u4e8e\u7b97\u529b\u7684\u6587\u7ae0\uff0c\u5982\u679c\u63d0\u5230\u67d0\u4e2a\u82af\u7247\u6216\u67d0\u4e2a\u667a\u7b97\u4e2d\u5fc3\u7684\u7b97\u529b\uff0c\u90fd\u4f1a\u5199\uff1a<\/span><\/span><\/section>\n

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\u5728FP32\u7cbe\u5ea6\u4e0b\uff0c\u82f1\u4f1f\u8fbe<\/span><\/span>H100\u7684\u7b97\u529b\u5927\u7ea6\u4e3a 0.9 PFlops\u3002<\/span><\/span><\/section>\n

<\/span><\/section>\n
\u5728<\/span><\/span>FP16\u7cbe\u5ea6\u4e0b\uff0c\u67d0\u667a\u7b97\u4e2d\u5fc3\u7684\u7b97\u529b\u662f 6.7 EFlops\u3002<\/span><\/span><\/section>\n

<\/span><\/section>\n
\u5728INT8\u7cbe\u5ea6\u4e0b\uff0c<\/span><\/span>\u9a81\u9f998Gen1\u7684\u7b97\u529b\u662f 9 TOPS\u3002<\/span><\/span><\/section>\n

<\/span><\/section>\n
\u2026\u2026<\/span><\/span><\/section>\n

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\u90a3\u4e48\uff0c\u8bc4\u4f30\u7b97\u529b\u7684\u5927\u5c0f\uff0c\u4e3a\u4ec0\u4e48\u8981\u52a0\u4e0aFP32\u3001FP16\u3001INT8\u8fd9\u6837\u7684\u524d\u63d0\uff1f\u5b83\u4eec\u5230\u5e95\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/span><\/span><\/section>\n

<\/span><\/section>\n
\u5176\u5b9e\uff0c<\/span><\/span>FP32\u3001FP16\u3001INT8\uff0c\u90fd\u662f\u6570\u5b57\u5728\u8ba1\u7b97\u673a\u4e2d\u5b58\u50a8\u7684\u683c\u5f0f\u7c7b\u578b\uff0c\u662f\u8ba1\u7b97\u673a\u5185\u90e8\u8868\u793a\u6570\u5b57\u7684\u65b9\u5f0f\u3002<\/span><\/span><\/section>\n

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\u5927\u5bb6\u90fd\u77e5\u9053\uff0c\u6570\u5b57\u5728\u8ba1\u7b97\u673a\u91cc\u662f\u4ee5\u4e8c\u8fdb\u5236\uff080\u548c1\uff09\u7684\u5f62\u5f0f\u8fdb\u884c\u5b58\u50a8\u548c\u5904\u7406\u3002\u4f46\u662f\uff0c\u6570\u5b57\u6709\u5927\u6709\u5c0f\u3001\u6709\u96f6\u6709\u6574\uff0c\u5982\u679c\u53ea\u662f\u7b80\u5355\u5730\u8fdb\u884c\u4e8c\u8fdb\u5236\u7684\u6362\u7b97\uff0c\u5c31\u4f1a\u5f88\u4e71\uff0c\u5f71\u54cd\u5904\u7406\u6548\u7387\u3002<\/span><\/span><\/section>\n

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<\/section>\n

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\u6240\u4ee5\uff0c\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u7edf\u4e00\u7684\u201c\u683c\u5f0f\u201d\uff0c\u53bb\u8868\u8fbe\u8fd9\u4e9b\u6570\u5b57\u3002<\/span><\/span><\/section>\n

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    \n
  • \n
    FP32\u3001FP16<\/span><\/span><\/section>\n<\/li>\n<\/ul>\n

    <\/span><\/section>\n
    \u6211\u4eec\u5148\u6765\u8bf4\u8bf4\u6700\u5e38\u89c1\u7684FP32\u548cFP16\u3002<\/span><\/span><\/section>\n

    <\/span><\/section>\n
    FP32\u548cFP16\uff0c\u90fd<\/span><\/span>\u662f\u6700\u539f\u59cb\u7684\u3001\u7531IEEE\u5b9a\u4e49\u7684\u6807\u51c6<\/span>\u6d6e\u70b9\u6570\u7c7b\u578b<\/span>\uff08<\/span><\/span>Floating Point\uff09<\/span><\/span>\u3002<\/span><\/span>
    <\/span>
    <\/span><\/section>\n
    \u6d6e\u70b9\u6570\uff0c\u662f\u8868\u793a\u5c0f\u6570\u7684\u4e00\u79cd\u65b9\u6cd5\u3002\u6240\u8c13\u6d6e\u70b9\uff0c\u5c31\u662f\u5c0f\u6570\u70b9\u7684\u4f4d\u7f6e\u4e0d\u56fa\u5b9a\u3002\u4e0e\u6d6e\u70b9\u6570\u76f8\u5bf9\u5e94\u7684\uff0c\u662f\u5b9a\u70b9\u6570\uff0c\u5373\u5c0f\u6570\u70b9\u7684\u4f4d\u7f6e\u56fa\u5b9a\u3002<\/span><\/span><\/section>\n

    <\/span><\/section>\n
    <\/span><\/section>\n
    \u6d6e\u70b9\u6570<\/span><\/span><\/section>\n

    <\/span><\/section>\n
    \u5148\u770b\u770bFP32\u3002<\/span><\/span><\/section>\n

    <\/span><\/section>\n
    FP32\u662f\u4e00\u79cd\u6807\u51c6\u768432\u4f4d\u6d6e\u70b9\u6570\uff0c\u5b83\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a<\/span><\/span>
    <\/span><\/section>\n

    <\/span><\/section>\n
    <\/span><\/section>\n

    <\/span><\/section>\n

    \u7b26\u53f7\u4f4d\uff08Sign\uff09<\/span>\uff1a<\/span><\/span>\u8868\u793a\u6570\u5b57\u7684\u6b63\u8d1f\uff0c0\u8868\u793a\u6b63\u6570\uff0c1 \u8868\u793a\u8d1f\u6570\u3002<\/span><\/span><\/p>\n


    <\/span><\/p>\n

    \u6307\u6570\u4f4d<\/span><\/span>\uff08Exponent\uff09<\/span><\/span>\uff1a<\/span><\/span>\u7528\u4e8e\u8868\u793a\u6570\u5b57\u7684\u5927\u5c0f\u8303\u56f4\uff08\u4e5f\u53eb<\/span><\/span>\u52a8\u6001\u8303\u56f4\uff0cdynamic range\uff09<\/span><\/span>\uff0c\u53ef\u4ee5\u8868\u793a\u4ece\u975e\u5e38\u5c0f\u5230\u975e\u5e38\u5927\u7684\u6570\u3002<\/span><\/span><\/p>\n


    <\/span><\/p>\n

    \u5c3e\u6570\u4f4d<\/span><\/span>\uff08Mantissa\uff09<\/span><\/span>\uff1a\u4e5f\u53eb<\/span><\/span>\u5c0f\u6570\u4f4d\uff08fraction\uff09\uff0c<\/span><\/span>\u7528\u4e8e\u8868\u793a\u6570\u5b57\u7684\u7cbe\u5ea6\uff08<\/span><\/span>precision\uff0c<\/span><\/span>\u76f8\u90bb\u4e24\u4e2a\u6570\u503c\u4e4b\u95f4\u7684\u95f4\u9694\uff09<\/span><\/span>\u3002<\/span><\/span><\/p>\n


    <\/span><\/p>\n

    \u8fd9\u4e09\u4e2a\u90e8\u5206\u7684\u4f4d\u6570\uff0c\u5206\u522b\u662f\uff1a1\u30018\u300123\u3002\u52a0\u8d77\u6765\uff0c\u521a\u597d\u662f32\u4f4d\u3002<\/span><\/span><\/p>\n


    <\/span><\/p>\n

    \u5341\u8fdb\u5236\u548cFP32\u4e4b\u95f4\u7684\u8f6c\u6362\u6709\u4e00\u4e2a\u516c\u5f0f\uff0c\u8fc7\u7a0b\u6709\u70b9\u590d\u6742\u3002\u9700\u8981\u5177\u4f53\u4e86\u89e3\u7684\uff0c\u53ef\u4ee5\u770b\u4e0b\u9762\u7684\u7070\u5b57\u548c\u56fe\u3002\u6570\u5b66\u4e0d\u597d\u7684\u7ae5\u978b\uff0c\u76f4\u63a5\u8df3\u8fc7\u5427\uff1a<\/span><\/span><\/p>\n


    <\/span><\/p>\n

    \u8f6c\u6362\u516c\u5f0f\uff1a<\/span><\/span><\/p>\n

    <\/section>\n


    <\/span><\/p>\n

    \u8f6c\u6362\u8fc7\u7a0b\u793a\u4f8b\uff1a<\/span><\/span><\/p>\n


    <\/span><\/p>\n

    <\/section>\n


    <\/span><\/p>\n

    \u4e0b\u9762\u8fd9\u4e2a\u7f51\u5740\uff0c\u53ef\u4ee5\u76f4\u63a5\u5e2e\u4f60\u6362\u7b97\uff1a<\/span><\/span><\/p>\n


    <\/span><\/p>\n

    https:\/\/baseconvert.com\/ieee-754-floating-point<\/span><\/span><\/p>\n


    <\/span><\/p>\n

    <\/section>\n


    <\/span><\/p>\n

    FP32\u7684\u8868\u793a\u8303\u56f4\u975e\u5e38\u5e7f\u6cdb\uff0c\u5927\u7ea6\u662f<\/span><\/span>\u00b13.4\u00d7103?<\/span><\/span><\/span>\uff0c\u7cbe\u5ea6\u53ef\u4ee5\u8fbe\u5230\u5c0f\u6570\u70b9\u540e7\u4f4d\u5de6\u53f3\u3002<\/span><\/span>
    <\/span><\/span><\/p>\n


    <\/span><\/span><\/p>\n

    <\/section>\n


    <\/span><\/span><\/p>\n

    \u518d\u770b\u770bFP16\u3002<\/span><\/span><\/span><\/p>\n


    <\/span><\/p>\n

    FP16\u7684\u4f4d\u6570\u662fFP32\u7684\u4e00\u534a\uff0c\u53ea\u670916\u4f4d\u3002\u4e09\u90e8\u5206\u7684\u4f4d\u6570\uff0c\u5206\u522b\u662f\u7b26\u53f7\u4f4d\uff081\u4f4d\uff09\u3001\u6307\u6570\u4f4d\uff085\u4f4d\uff09\u3001\u5c3e\u6570\u4f4d\uff0810\u4f4d\uff09\u3002<\/span><\/span><\/p>\n


    <\/span><\/p>\n

    <\/section>\n


    <\/span><\/p>\n

    FP16\u7684\u8868\u793a\u8303\u56f4\u662f<\/span><\/span>\u00b165504\uff08<\/span><\/span>\u00b16.55\u00d7<\/span><\/span>10?<\/span><\/span><\/span>\uff09<\/span><\/span><\/span>\uff0c<\/span><\/span>\u7cbe\u5ea6\u53ea\u80fd\u8fbe\u5230\u5c0f\u6570\u70b9\u540e3\u4f4d\u5de6\u53f3\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c1.001\u548c1.0011\u5728FP16\u4e0b\u7684\u8868\u793a\u662f\u76f8\u540c\u7684\u3002<\/span><\/span><\/section>\n


    <\/span>FP16\u7684\u5341\u8fdb\u5236\u6362\u7b97\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/span><\/span><\/p>\n


    <\/span><\/p>\n

    <\/section>\n


    <\/span><\/p>\n

    \u5f88\u663e\u7136\uff0cFP32\u7684\u4f4d\u6570\u66f4\u957f\uff0c\u8868\u8fbe\u7684\u8303\u56f4\u66f4\u5927\uff0c\u7cbe\u5ea6\u4e5f\u66f4\u9ad8\u3002<\/span><\/span><\/section>\n


    <\/span><\/p>\n

    <\/section>\n


    <\/span><\/p>\n


    <\/span><\/p>\n

      \n
    • \n

      FP64\u3001FP8\u3001FP4<\/span><\/span><\/p>\n<\/li>\n<\/ul>\n


      <\/span><\/p>\n

      \u9664\u4e86\u5e38\u89c1\u7684FP32\u548cFP16\u4e4b\u5916\uff0c\u8fd8\u6709FP64\u3001FP8\u3001FP4\u3002<\/span><\/span><\/section>\n

      <\/span><\/section>\n
      \n

      \u56fe\u6211\u5c31\u61d2\u5f97\u753b\u4e86\u3002\u5217\u4e2a\u8868\uff0c\u65b9\u4fbf\u5bf9\u6bd4\uff1a<\/span><\/span><\/p>\n


      <\/span><\/p>\n

      <\/section>\n


      <\/span><\/p>\n

      \u5927\u5bb6\u80af\u5b9a\u80fd\u770b\u51fa\u6765\uff0cFP64<\/span><\/span>\u6240\u8868\u793a\u7684\u52a8\u6001\u8303\u56f4\u6700\u5927\uff0c\u7cbe\u5ea6\u6700\u9ad8\u3002FP4\u53cd\u4e4b\u3002<\/span><\/span><\/section>\n

      <\/span><\/section>\n

      FP32\u901a\u5e38\u79f0\u4e3a\u5355\u7cbe\u5ea6\u6d6e\u70b9\u6570\uff0cFP16\u88ab\u79f0\u4e3a\u534a\u7cbe\u5ea6\u6d6e\u70b9\u6570\u3002\u5176\u5b83\u7684\u547d\u540d\uff0c\u4e0a\u9762\u8868\u683c\u4e5f\u6709\u3002<\/span><\/span><\/p>\n


      <\/span><\/p>\n

      FP8\u6709\u70b9\u7279\u522b\uff0c\u6709E4M3<\/span><\/span>\uff084\u4f4d\u6307\u6570\u548c3\u4f4d\u5c3e\u6570\uff09<\/span><\/span>\u548cE5M2<\/span><\/span>\uff085\u4f4d\u6307\u6570\u548c2\u4f4d\u5c3e\u6570\uff09<\/span><\/span>\u4e24\u79cd\u8868\u793a\u65b9\u5f0f\u3002<\/span><\/span>E4M3\u7cbe\u5ea6\u66f4\u9ad8\uff0c\u800cE5M2\u8303\u56f4\u66f4\u5bbd\u3002<\/span><\/span><\/p>\n


      <\/span><\/p>\n

      <\/section>\n


      <\/span><\/p>\n<\/section>\n


      <\/span><\/section>\n
        \n
      • \n

        \u4e0d\u540c\u683c\u5f0f\u7684\u5e94\u7528\u533a\u522b<\/span><\/span><\/p>\n<\/li>\n<\/ul>\n


        <\/span><\/p>\n

        \u597d\u4e86\uff0c\u95ee\u9898\u6765\u4e86\u2014\u2014\u4e3a\u4ec0\u4e48\u8981\u641e\u8fd9\u4e48\u591a\u7684\u683c\u5f0f\u5462\uff1f\u4e0d\u540c\u7684\u683c\u5f0f\uff0c\u4f1a\u5e26\u6765\u4ec0\u4e48\u6837\u7684\u5f71\u54cd\u5462\uff1f<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u7b80\u5355\u6765\u8bf4\uff0c\u4f4d\u6570\u8d8a\u591a\uff0c\u8303\u56f4\u8d8a\u5927\uff0c\u7cbe\u5ea6\u8d8a\u9ad8\u3002\u4f46\u662f\uff0c\u5360\u7528\u5185\u5b58\u4f1a\u66f4\u591a\uff0c\u8ba1\u7b97\u901f\u5ea6\u4e5f\u4f1a\u66f4\u6162\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5c31\u50cf\u5706\u5468\u7387<\/span><\/span>\u03c0\u3002<\/span><\/span>\u03c0<\/span><\/span>\u53ef\u4ee5\u662f\u5c0f\u6570\u70b9\u540e\u65e0\u6570\u4f4d\uff0c\u4f46\u4e00\u822c\u6765\u8bf4\uff0c\u6211\u4eec\u90fd\u4f1a\u53d63.14\u3002\u8fd9\u6837\u867d\u7136\u4f1a\u635f\u5931\u4e00\u70b9\u7cbe\u5ea6\uff0c\u4f46\u80fd\u591f\u5927\u5e45\u63d0\u5347\u8ba1\u7b97\u7684\u6548\u7387\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u6362\u8a00\u4e4b\uff0c<\/span><\/span>\u6240\u6709\u7684\u683c\u5f0f\u7c7b\u578b\uff0c\u90fd\u662f\u5728\u201c\u7cbe\u5ea6\u201d\u548c\u201c\u6548\u7387\u201d\u4e4b\u95f4\u5bfb\u627e\u5e73\u8861\u3002<\/span>\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u6709\u4e0d\u540c\u7684\u9700\u6c42\uff0c\u91c7\u7528\u4e0d\u540c\u7684\u683c\u5f0f\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        FP64\u7684\u7cbe\u5ea6\u6700\u9ad8\uff0c\u5728\u57fa\u7840\u79d1\u5b66\u3001<\/span><\/span>\u91d1\u878d\u5efa\u6a21\u3001\u6c14\u5019\u6a21\u62df\u3001<\/span><\/span>\u533b\u5b66\u7814\u7a76\u3001\u519b\u4e8b\u5e94\u7528\u7b49\u9886\u57df\u4f1a\u7528\u5f97\u6bd4\u8f83\u591a\u3002\u8fd9\u4e9b\u573a\u666f\u5bf9\u8bef\u5dee\u6bd4\u8f83\u654f\u611f\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        FP32\u662f\u901a\u7528\u8ba1\u7b97\u7684\u201c\u5168\u80fd\u9009\u624b\u201d\uff0c\u4e5f\u662f\u65e9\u671f\u4e3b\u8981\u7684\u6570\u636e\u7c7b\u578b\u3002\u5b83\u7684<\/span><\/span>\u5e73\u8861\u6027\u66f4\u5f3a\uff0c\u7cbe\u5ea6\u548c\u901f\u5ea6\u9002\u4e2d\uff0c\u9002\u5408\u56fe\u5f62\u6e32\u67d3\u7b49\u5f88\u591a\u4efb\u52a1\u3002<\/span><\/span><\/span><\/p>\n


        <\/span><\/p>\n

        FP16\u4e5f\u662f\u5e94\u7528\u975e\u5e38\u666e\u904d\u7684\u4e00\u79cd\u683c\u5f0f\u3002\u5b83\u975e\u5e38\u9002\u5408AI\u9886\u57df\u7684\u5e94\u7528\uff0c\u53ef\u4ee5\u8986\u76d6\u5927\u591a\u6570\u6df1\u5ea6\u5b66\u4e60\u4efb\u52a1\u7684\u6570\u503c\u9700\u6c42\u3002\u8fd9\u51e0\u5e74\uff0cFP16\u4e00\u76f4\u662f\u667a\u7b97\u573a\u666f\u4e0b\u6027\u4ef7\u6bd4\u6700\u4f18\u7684\u65b9\u6848\uff0c\u914d\u5408Tensor Core\uff08\u5f20\u91cf\u6838\u5fc3\uff09\u7b97\u529b\u5229\u7528\u7387\u8d8592%\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        FP16\u4e5f\u5f88\u9002\u5408\u56fe\u50cf\u6e32\u67d3\u3002\u4f8b\u5982\uff0c<\/span>GPU\u7684\u7740\u8272\u5668\u5c31\u5927\u91cf\u4f7f\u7528\u4e86FP16\uff0c\u7528\u4e8e\u8ba1\u7b97\u5149\u7167\uff08<\/span>\u5982\u6e38\u620f\u4e2d\u7684\u4eba\u7269\u9634\u5f71\uff09<\/span>\u3001\u7eb9\u7406\u6620\u5c04\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u5e73\u8861\u753b\u9762\u8d28\u91cf\u4e0e\u5e27\u7387\u3002<\/span><\/p>\n


        <\/span><\/p>\n

        FP8\u548cFP4\u662f\u6700\u8fd1\u51e0\u5e74\u624d\u5d1b\u8d77\u7684\u65b0\u5174\u4f4e\u7cbe\u5ea6\u6d6e\u70b9\u6570\u683c\u5f0f\u3002FP8\u4e8e<\/span><\/span>2022\u5e749\u6708\u7531\u82f1\u4f1f\u8fbe\u7b49\u591a\u5bb6\u82af\u7247\u5382\u5546\u5171\u540c\u5b9a\u4e49\u3002FP4\u5219<\/span><\/span>\u662f2023\u5e7410\u6708\u7531\u67d0\u5b66\u672f\u673a\u6784\u5b9a\u4e49\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        <\/section>\n


        <\/span><\/p>\n

        \u8fd9\u51e0\u5e74\u5168\u793e\u4f1a\u5173\u6ce8\u7b97\u529b\uff0c\u4e3b\u8981\u662f\u56e0\u4e3aAI\uff0c\u5c24\u5176\u662fAIGC\u5927\u6a21\u578b\u8bad\u7ec3\u63a8\u7406\u5e26\u6765\u7684\u9700\u6c42\u3002FP32\u548cFP16\u7684\u5e73\u8861\u6027\u66f4\u5f3a\uff0c\u5360\u7528\u5185\u5b58\u6bd4FP64\u66f4\u5c0f\uff0c\u8ba1\u7b97\u6548\u7387\u66f4\u9ad8\uff0c\u975e\u5e38\u9002\u5408\u8fd9\u7c7b\u9700\u6c42\uff0c\u6240\u4ee5\u5173\u6ce8\u5ea6\u548c\u51fa\u955c\u7387\u66f4\u9ad8\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u4e3e\u4e2a\u4f8b\u5b50\uff1a\u5982\u679c\u4e00\u4e2a<\/span><\/span>\u795e\u7ecf\u7f51\u7edc\u670910\u4ebf\uff081 billion\uff09<\/span><\/span>\u4e2a<\/span><\/span>\u53c2\u6570\uff0c\u4e00\u4e2a<\/span><\/span>FP32\u683c\u5f0f\u6570\u53604\u5b57\u8282\u6570\uff0832bit\u00f78=4byte\uff09\uff0cFP16\u53602\u5b57\u8282\u3002\u90a3\u4e48\uff0cFP32\u683c\u5f0f\u4e0b\uff0c\u5360\u7528\u5185\u5b58\uff08\u663e\u5b58\uff09\u5927\u7ea6\u662f4000MB\uff0810\u4ebf\u00d74byte\u00f71024\u00f71024\uff09\u3002FP16\u683c\u5f0f\u4e0b\uff0c\u5219\u662f\u7ea62000MB\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u66f4\u5c0f\u7684\u5185\u5b58\u5360\u7528\uff0c\u5141\u8bb8\u6a21\u578b\u4f7f\u7528\u66f4\u5927\u7684Batch Size\uff08\u6279\u91cf\u6837\u672c\u6570\uff09\uff0c\u63d0\u5347\u68af\u5ea6\u4f30\u8ba1\u7684\u7a33\u5b9a\u6027\u3002\u8fd0\u7b97\u901f\u5ea6\u8d8a\u5feb\uff0c\u8bad\u7ec3\u5468\u671f\u8d8a\u77ed\uff0c\u6210\u672c\u8d8a\u4f4e\uff0c\u80fd\u8017\u4e5f\u8d8a\u4f4e\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u90a3\u4e48\uff0c\u8fd9\u91cc\u63d0\u4e00\u4e2a\u95ee\u9898\u2014\u2014\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u6709\u4e0d\u540c\u7684\u7279\u70b9\u3002\u90a3\u4e48\uff0c\u6709\u6ca1\u6709\u529e\u6cd5\uff0c\u53ef\u4ee5\u5c06\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684\u4f18\u70b9\u8fdb\u884c\u7ed3\u5408\u5462\uff1f<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u5f53\u7136\u53ef\u4ee5\u3002\u8fd9\u91cc\uff0c\u5c31\u8981\u63d0\u5230\u4e24\u4e2a\u91cd\u8981\u6982\u5ff5\u2014\u2014<\/span><\/span>\u591a\u7cbe\u5ea6<\/span>\u4e0e<\/span>\u6df7\u5408\u7cbe\u5ea6<\/span>\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u5728\u8ba1\u7b97\u9886\u57df\uff0c\u591a\u7cbe\u5ea6\u8ba1\u7b97\u4e0e\u6df7\u5408\u7cbe\u5ea6\u8ba1\u7b97\u662f\u4e24\u79cd\u91cd\u8981\u7684\u4f18\u5316\u7b56\u7565\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u591a\u7cbe\u5ea6\u8ba1\u7b97\uff0c\u662f\u5728\u5e94\u7528\u7a0b\u5e8f\u6216\u7cfb\u7edf\u7684\u4e0d\u540c\u573a\u666f\u4e0b\uff0c\u56fa\u5b9a\u9009\u7528\u4e0d\u540c\u7684\u7cbe\u5ea6\u6a21\u5f0f\uff0c\u4ee5\u6b64\u5339\u914d\u8ba1\u7b97\u9700\u6c42\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u6df7\u5408\u7cbe\u5ea6\u8ba1\u7b97\uff0c\u66f4\u4e3a\u5de7\u5999\u3002\u5b83\u5728\u540c\u4e00\u64cd\u4f5c\u6216\u6b65\u9aa4\u4e2d\uff0c\u5de7\u5999\u52a8\u6001\u878d\u5408\u591a\u79cd\u7cbe\u5ea6\u7ea7\u522b\uff0c\u8fdb\u884c\u534f\u540c\u5de5\u4f5c\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u4f8b\u5982\uff0c\u5728\u5927\u6a21\u578b\u7684\u8bad\u7ec3\u63a8\u7406\u4efb\u52a1\u4e2d\uff0c\u5c31\u53ef\u4ee5\u91c7\u7528FP16\u548cFP32\u7684\u6df7\u5408\u7cbe\u5ea6\u8bad\u7ec3\u63a8\u7406\u3002<\/span><\/span>FP16\uff0c\u53ef\u4ee5\u7528\u4e8e\u5377\u79ef\u3001\u5168\u8fde\u63a5\u7b49\u6838\u5fc3\u8ba1\u7b97\uff08\u51cf\u5c11\u8ba1\u7b97\u91cf\uff09\u3002FP32\uff0c\u5219\u53ef\u4ee5<\/span><\/span>\u7528\u4e8e\u6743\u91cd\u66f4\u65b0\u3001BatchNorm\u7edf\u8ba1\u91cf\u7b49\u8ba1\u7b97\uff08\u907f\u514d\u7cbe\u5ea6\u635f\u5931\uff09\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u73b0\u5728\u4e3b\u6d41\u7684AI\u8ba1\u7b97\u6846\u67b6\uff0c\u4f8b\u5982PyTorch\u3001TensorFlow\uff0c\u90fd\u652f\u6301\u81ea\u52a8\u5c06\u90e8\u5206\u8ba1\u7b97\uff08\u5982\u77e9\u9635\u4e58\u6cd5\uff09\u5207\u6362\u81f3FP16\uff0c\u540c\u65f6\u4fdd\u7559FP32\u4e3b\u6743\u91cd\u7528\u4e8e\u68af\u5ea6\u66f4\u65b0\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u5927\u5bb6\u9700\u8981\u6ce8\u610f\uff0c\u5e76\u4e0d\u662f\u6240\u6709\u7684\u786c\u4ef6\u90fd\u652f\u6301\u65b0\u7684\u4f4e\u7cbe\u5ea6\u6570\u636e\u683c\u5f0f\uff01<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u50cf\u6211\u4eec\u7684\u6d88\u8d39\u7ea7\u663e\u5361\uff0cFP64\u5c31\u662f\u9609\u5272\u8fc7\u7684\uff0c<\/span><\/span>FP16\/FP32\u6027\u80fd\u5f3a\uff0cFP64\u6027\u80fd\u5f31\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u82f1\u4f1f\u8fbe\u7684A100\/H100\uff0c\u652f\u6301TF32\uff08\u6ce8\u610f\u533a\u522b\uff0c\u4e0d\u662fFP32\uff09\u3001FP64\u3001FP8\uff0c\u4e13\u4e3aAI\u548c\u9ad8\u6027\u80fd\u8ba1\u7b97\u4f18\u5316\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        AMD GPU\uff0cCDNA\u67b6\u6784\uff08\u5982MI250X\uff09\u4fa7\u91cdFP64\uff0cRDNA\u67b6\u6784\uff08\u5982RX 7900XTX\uff09\u4fa7\u91cdFP32\/FP16\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        FP8\u6700\u8fd1\u51e0\u5e74\u70ed\u95e8\uff0c\u4e5f\u662f\u6e90\u4e8e\u5bf9\u8ba1\u7b97\u6548\u7387\u7684\u6781\u81f4\u8ffd\u6c42\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n

        \u82f1\u4f1f\u8fbeGPU\u4eceAda\u67b6\u6784\u548cHopper\u67b6\u6784\u5f00\u59cb\u63d0\u4f9b\u4e86\u5bf9FP8\u683c\u5f0f\u7684\u652f\u6301\uff0c\u5206\u522b\u662f\u524d\u9762\u63d0\u5230\u7684E4M3\u548cE5M2\u3002<\/span><\/span>\u5230\u4e86Blackwell\u67b6\u6784\uff0c\u5f00\u59cb\u652f\u6301\u540d\u4e3aMXFP8\u7684\u65b0FP8\uff0c\u5176\u5b9e\u5c31\u662f\u4e4b\u524d\u7684\u4f20\u7edfFP8\u57fa\u7840\u4e0a\u589e\u52a0\u4e86Block Scaling\u80fd\u529b\u3002<\/span><\/span><\/p>\n


        <\/span><\/p>\n


        <\/span><\/p>\n

          \n
        • \n

          TF32\u3001BF16<\/span><\/span><\/p>\n<\/li>\n<\/ul>\n


          <\/span><\/p>\n

          \u9664\u4e86FP64\/FP32\/FP16\/FP8\/FP4\u4e4b\u5916\uff0c\u4e1a\u754c\u8fd8\u63a8\u51fa\u4e86\u4e00\u4e9b\u201c\u6539\u8fdb\u578b\u201d\u7684\u6d6e\u70b9\u6570\u7c7b\u578b\u3002\u4f8b\u5982\u521a\u624d\u63d0\u5230\u7684TF32\uff08\u53caTF16\uff09\uff0c\u8fd8\u6709BF16\u3002<\/span><\/span><\/p>\n


          <\/span><\/p>\n

          TF32\u548cTF16\uff0c\u662f\u82f1\u4f1f\u8fbe\u9488\u5bf9\u673a\u5668\u5b66\u4e60\u8bbe\u8ba1\u7684\u4e00\u79cd\u7279\u6b8a\u6570\u503c\u7c7b\u578b\uff0c\u7528\u4e8e\u66ff\u4ee3FP32\u3002TF\uff0c\u662f\u6307Tensor Float\uff0c\u5f20\u91cf\u6d6e\u70b9\u6570\u3002<\/span><\/span><\/p>\n


          <\/span><\/p>\n

          TF32\u7684\u7ec4\u6210\uff1a1\u4f4d\u7b26\u53f7\u4f4d\uff0c8\u4f4d\u6307\u6570\u4f4d\uff08\u5bf9\u9f50FP32\uff09\uff0c10\u4f4d\u5c0f\u6570\u4f4d\uff08\u5bf9\u9f50FP16\uff09\uff0c\u5b9e\u9645\u6709\u6548\u4f4d\u6570\u4e3a19\u4f4d\u3002<\/span><\/span><\/p>\n


          <\/span><\/p>\n

          <\/span><\/p>\n


          <\/span><\/p>\n

          BF16\u7531Google Brain\u63d0\u51fa\uff0c\u4e5f\u662f\u7528\u4e8e\u673a\u5668\u5b66\u4e60\u3002BF\uff0c\u662f\u6307Brain Float\u3002<\/span><\/span><\/p>\n


          <\/span><\/p>\n

          BF16\u7684\u7ec4\u6210\uff1a1\u4f4d\u7b26\u53f7\u4f4d\uff0c8\u4f4d\u6307\u6570\u4f4d\uff08\u548cFP32\u4e00\u81f4\uff09\uff0c7\u4f4d\u5c0f\u6570\u4f4d\uff08\u4f4e\u4e8eFP16\uff09\uff0c\u5b9e\u9645\u6709\u6548\u4f4d\u6570\u4e3a16\u4f4d\u3002<\/span><\/span><\/p>\n


          <\/span><\/p>\n

          \u867d\u7136BF16\u7684\u7cbe\u5ea6\u4f4e\u4e8eFP16\uff08<\/span><\/span>\u727a\u7272\u5c3e\u6570\u7cbe\u5ea6\uff09<\/span><\/span>\uff0c\u4f46\u8868\u793a\u8303\u56f4\u548cFP32\u4e00\u81f4\uff08<\/span><\/span>\u6307\u6570\u8303\u56f4\u76f8\u540c\uff09<\/span><\/span>\uff0c\u6613\u4e8e\u4e0eFP32\u8f6c\u6362\uff0c\u9002\u7528\u4e8e\u6df1\u5ea6\u5b66\u4e60\u63a8\u7406\u3002<\/span><\/span>
          <\/span><\/p>\n


          <\/span><\/p>\n


          <\/span><\/p>\n

            \n
          • \n

            INT8\u3001INT4<\/span><\/span><\/p>\n<\/li>\n<\/ul>\n


            <\/span><\/p>\n

            \u6700\u540e\uff0c\u6211\u4eec\u518d\u6765\u8bf4\u8bf4INT8\/INT4\u3002<\/span><\/span><\/p>\n


            <\/span><\/p>\n

            \u521a\u624d\u4ecb\u7ecd\u7684\uff0c\u90fd\u662f\u6d6e\u70b9\u6570\u3002INT\u662fInteger\u7684\u7f29\u5199\uff0c\u5373\u6574\u6570\u7c7b\u578b\u3002\u4ec0\u4e48\u662f\u6574\u6570\uff1f\u4e0d\u7528\u6211\u89e3\u91ca\u4e86\u5427\uff1f\u6ca1\u6709\u5c0f\u6570\u7684\uff0c\u5c31\u662f\u6574\u6570\uff08\u4f8b\u59821\u30012\u30013\uff09\u3002<\/span><\/span><\/p>\n


            <\/span><\/p>\n

            INT8\uff0c\u662f\u75288\u4f4d\u4e8c\u8fdb\u5236\u6570\u8868\u793a\u6574\u6570\uff0c<\/span><\/span>\u8303\u56f4\uff08<\/span><\/span>\u6709\u7b26\u53f7\u6570\uff09<\/span><\/span>\u662f-128\u5230127<\/span><\/span>\u3002<\/span><\/span>INT4\uff0c\u662f\u75284\u4f4d\u4e8c\u8fdb\u5236\u6570\u6765\u8868\u793a\u6574\u6570\uff0c<\/span><\/span>\u8303\u56f4\uff08<\/span><\/span>\u6709\u7b26\u53f7\u6570\uff09\u662f-8\u52307<\/span><\/span>\u3002<\/span><\/span><\/p>\n


            <\/span><\/p>\n

            <\/section>\n


            <\/span><\/p>\n

            INT<\/span><\/span>\u6bd4FP\u66f4\u7b80\u5355\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u4e86<\/span><\/span>\u201c\u7c97\u66b4\u201d\u7684\u622a\u65ad\u3002\u4f8b\u5982<\/span><\/span>FP32\u4e2d\u76840.7\uff0c\u4f1a\u53d8\u62101\uff08\u82e5\u91c7\u7528\u56db\u820d\u4e94\u5165\uff09\uff0c\u62160\uff08\u82e5\u91c7\u7528\u5411\u4e0b\u53d6\u6574\uff09\u3002<\/span><\/span><\/p>\n


            <\/span><\/p>\n

            \u8fd9\u79cd\u65b9\u5f0f\u80af\u5b9a\u4f1a\u5f15\u5165\u8bef\u5dee\u3002\u4f46\u662f\uff0c\u5bf9\u67d0\u4e9b\u4efb\u52a1\uff08\u5982\u56fe\u50cf\u5206\u7c7b\uff09\u5f71\u54cd\u8f83\u5c0f\u3002\u56e0\u4e3a\u8f93\u5165\u6570\u636e\uff08\u4f8b\u5982\u50cf\u7d20\u503c0-255\uff09\u672c\u8eab\u5df2\u7ecf\u662f\u79bb\u6563\u7684\uff0c\u6a21\u578b\u8f93\u51fa\u7684\u7c7b\u522b\u6982\u7387\u53ea\u9700\u8981\u201c\u8db3\u591f\u63a5\u8fd1\u201d\u5373\u53ef\u3002<\/span><\/span><\/p>\n


            <\/span><\/p>\n

            \u8fd9\u91cc\uff0c\u6211\u4eec\u5c31\u8981\u63d0\u5230\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\u2014\u2014<\/span>\u91cf\u5316<\/span>\u3002<\/span><\/span><\/p>\n


            <\/span><\/p>\n

            \u5c06\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u4e2d\u7684\u6743\u91cd\u548c\u6fc0\u6d3b\u503c\u4ece\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\uff08\u4f8b\u5982FP32\uff09\u8f6c\u6362\u4e3a\u4f4e\u7cbe\u5ea6<\/span><\/span>\uff08INT8\uff09<\/span><\/span>\u8868\u793a\u7684\u8fc7\u7a0b\uff0c\u5c31\u662f\u201c\u91cf\u5316\u201d\u3002<\/span><\/span><\/p>\n


            <\/span><\/p>\n

            \u91cf\u5316\u7684\u4e3b\u8981\u76ee\u7684\uff0c\u662f\u4e3a\u4e86\u51cf\u5c11\u6a21\u578b\u7684\u5b58\u50a8\u9700\u6c42\u548c\u8ba1\u7b97\u590d\u6742\u5ea6\uff0c\u540c\u65f6\u5c3d\u91cf\u51cf\u5c11\u7cbe\u5ea6\u635f\u5931\u3002<\/span><\/span><\/p>\n


            <\/span><\/p>\n

            \u4e3e\u4e2a\u4f8b\u5b50\uff0c<\/span><\/span>\u91cf\u5316\u5c31\u50cf\u662f\u628a\u4e00\u5e45\u9ad8\u5206\u8fa8\u7387\u7684\u753b\u53d8\u6210\u4e00\u5e45\u4f4e\u5206\u8fa8\u7387\u7684\u753b\uff0c\u65e2\u8981\u51cf\u5c11\u4f53\u79ef\uff0c\u4e5f\u8981\u5c3d\u53ef\u80fd\u964d\u4f4e\u7cbe\u5ea6\u635f\u5931\u3002\u5f53\u4f60\u7f51\u901f\u6162\u7684\u65f6\u5019\uff0c720p\u89c6\u9891\u4e5f\u80fd\u770b\u3002 <\/span><\/span><\/p>\n


            <\/span><\/p>\n

            INT8\u91cf\u5316\u662f\u76ee\u524d\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u91cf\u5316\u65b9\u6cd5\u4e4b\u4e00\uff0c\u884c\u4e1a\u5173\u6ce8\u5ea6\u5f88\u9ad8\u3002\u56e0\u4e3a\u5b83\u5728\u4fdd\u6301\u8f83\u9ad8\u7cbe\u5ea6\u7684\u540c\u65f6\uff0c\u5927\u5927\u51cf\u5c11\u4e86\u6a21\u578b\u7684\u5c3a\u5bf8\u548c\u8ba1\u7b97\u9700\u6c42\u3002\u5927\u591a\u6570\u6df1\u5ea6\u5b66\u4e60\u6846\u67b6\u548c\u786c\u4ef6\u52a0\u901f\u5668\uff0c\u90fd\u652f\u6301INT8\u91cf\u5316\u3002<\/span><\/span><\/section>\n

            <\/span><\/section>\n
            INT8\u7684\u8d70\u7ea2\uff0c\u548cAI\u7aef\u4fa7\u5e94\u7528\u6d6a\u6f6e\u4e5f\u6709\u5bc6\u5207\u5173\u7cfb\u3002<\/span><\/span><\/section>\n

            <\/span><\/section>\n
            \u7aef\u4fa7\u548c\u8fb9\u7f18\u4fa7\u7684\u8bbe\u5907\uff0c\u5185\u5b58\u66f4\u5c0f\uff0c\u7b97\u529b\u66f4\u5f31\uff0c\u663e\u7136\u66f4\u52a0\u9002\u5408\u91c7\u7528INT8\u8fd9\u6837\u7684\u91cf\u5316\u6570\u636e\u683c\u5f0f\uff08\u5426\u5219\u53ef\u80fd\u65e0\u6cd5\u52a0\u8f7d\uff09\u3002\u800c\u4e14\uff0c\u8fd9\u7c7b\u8bbe\u5907\u901a\u5e38\u662f\u79fb\u52a8\u8bbe\u5907\uff0c\u5bf9\u529f\u8017\u66f4\u52a0\u654f\u611f\uff0c\u9700\u8981\u5c3d\u91cf\u7701\u7535\u3002<\/span><\/span>
            <\/span><\/section>\n

            <\/span><\/section>\n
            <\/section>\n

            <\/span><\/section>\n
            \u7aef\u4fa7\u548c\u8fb9\u7f18\u4fa7\uff0c\u4e3b\u8981\u662f\u8fdb\u884c\u63a8\u7406\u4efb\u52a1\u3002<\/span><\/span>\u91cf\u5316\u6a21\u578b\u5728\u63a8\u7406\u65f6\u7684\u8ba1\u7b97\u91cf\u66f4\u5c11\uff0c\u80fd\u591f\u52a0\u5feb\u63a8\u7406\u901f\u5ea6\u3002<\/span><\/span><\/section>\n

            <\/span><\/section>\n
            \u5927\u5bb6\u4f1a\u6ce8\u610f\u5230\uff0cGPU\u7b97\u5361\u548c\u6570\u636e\u4e2d\u5fc3\u7684\u7b97\u529b\uff0c\u901a\u5e38\u662fFLOPS\uff08<\/span>\u6bcf\u79d2\u6d6e\u70b9\u8fd0\u7b97\u6b21\u6570\uff09\u4e3a\u5355\u4f4d\u3002\u800c\u624b\u673a\u7ec8\u7aef\u7684\u7b97\u529b\uff0c\u901a\u5e38\u662fTOPS\uff08\u6bcf\u79d2\u4e07\u4ebf\u6b21\u64cd\u4f5c\uff09\u4e3a\u5355\u4f4d\uff0c\u6ca1\u6709FL<\/span><\/span>\u3002\u8fd9\u6b63\u662f\u56e0\u4e3a\u624b\u673a\u7ec8\u7aef\u3001\u7269\u8054\u7f51\u6a21\u7ec4\u4ee5INT8\u91cf\u5316\u6570\u636e\u7c7b\u578b\uff08\u6574\u6570\u8fd0\u7b97\uff09\u4e3a\u4e3b\u3002<\/span><\/span><\/section>\n

            <\/span><\/section>\n
            \u624b\u673a\u91cc\u9762\u7684NPU\uff0c\u5f80\u5f80\u8fd8\u4f1a\u4e13\u95e8\u9488\u5bf9INT8\u8fdb\u884c\u4f18\u5316\u3002<\/span><\/span><\/section>\n

            <\/span><\/section>\n
            <\/section>\n

            <\/span><\/section>\n
            \n

            INT4\u91cf\u5316\uff0c\u662f\u4e00\u79cd\u66f4\u4e3a\u6fc0\u8fdb\u7684\u91cf\u5316\u65b9\u5f0f\u3002\u4f46\u662f\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u76f8\u5bf9\u8f83\u5c11\u89c1\u3002<\/span><\/span><\/p>\n


            <\/span><\/p>\n

            \u56e0\u4e3a\u8fc7\u4f4e\u7684\u7cbe\u5ea6\uff0c\u53ef\u80fd\u5bfc\u81f4\u6a21\u578b\u6027\u80fd\u663e\u8457\u4e0b\u964d\u3002\u6b64\u5916\uff0c\u5e76\u4e0d\u662f\u6240\u6709\u7684\u786c\u4ef6\u90fd\u652f\u6301INT4\u64cd\u4f5c\uff0c\u9700\u8981\u8003\u8651\u786c\u4ef6\u7684\u517c\u5bb9\u6027\u3002<\/span><\/span><\/p>\n


            <\/span><\/p>\n

            <\/section>\n


            <\/span><\/p>\n<\/section>\n

            \u9700\u8981\u7279\u522b\u6ce8\u610f\u7684\u662f\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5b58\u5728\u91cf\u5316\u548c\u53cd\u91cf\u5316\u8fc7\u7a0b\u3002<\/span><\/span><\/section>\n

            <\/span><\/section>\n

            \u4f8b\u5982\uff0c\u5728\u5927\u6a21\u578b\u8bad\u7ec3\u4efb\u52a1\u4e2d\uff0c\u4f1a\u5148\u5c06\u795e\u7ecf\u7f51\u7edc\u7684\u53c2\u6570\uff08weight\uff09\u3001\u7279\u5f81\u56fe\uff08activation\uff09\u7b49\u539f\u672c\u7528\u6d6e\u70b9\u8868\u793a\u7684\u91cf\u503c\uff0c\u6362\u6210\u7528\u5b9a\u70b9\uff08\u6574\u578b\uff09\u8868\u793a\u3002\u540e\u9762\uff0c\u518d\u5c06\u5b9a\u70b9\u6570\u636e\u53cd\u91cf\u5316\u56de\u6d6e\u70b9\u6570\u636e\uff0c\u5f97\u5230\u7ed3\u679c\u3002<\/span><\/span><\/p>\n


            <\/span><\/p>\n

            \u91cf\u5316\u5305\u62ec\u5f88\u591a\u79cd\u7b97\u6cd5<\/span>\uff08\u5982\u6743\u91cd\u91cf\u5316\u3001\u6fc0\u6d3b\u91cf\u5316\u3001\u6df7\u5408\u7cbe\u5ea6\u91cf\u5316\u7b49\uff09\uff0c\u4ee5\u53ca<\/span><\/span>\u91cf\u5316\u611f\u77e5\u8bad\u7ec3\uff08QAT\uff09\u3001<\/span><\/span>\u8bad\u7ec3\u540e\u91cf\u5316\uff08PTQ\uff09\u7b49\u7c7b\u578b\u3002<\/span><\/span><\/section>\n

            <\/span><\/section>\n
            \u5177\u4f53\u7684\u8fc7\u7a0b\u8fd8\u662f\u975e\u5e38\u590d\u6742\u7684\u3002\u9650\u4e8e\u7bc7\u5e45\uff0c\u8fd9\u91cc\u5c31\u4e0d\u591a\u4ecb\u7ecd\u4e86\uff0c\u5927\u5bb6\u611f\u5174\u8da3\u53ef\u4ee5\u81ea\u884c\u68c0\u7d22\u3002<\/span><\/span>
            <\/span><\/section>\n

            <\/span><\/section>\n


            <\/span><\/p>\n

              \n
            • \n

              \u7ed3\u8bed<\/span><\/span><\/p>\n<\/li>\n<\/ul>\n


              <\/span><\/p>\n

              \u597d\u5566\uff0c\u4ee5\u4e0a\u5c31\u662f\u5173\u4e8eFP32\u3001FP16\u3001INT8\u7b49\u6570\u636e\u683c\u5f0f\u7c7b\u578b\u7684\u4ecb\u7ecd\u3002<\/span><\/span><\/p>\n


              <\/span><\/p>\n

              \u73b0\u5728\u6574\u4e2a\u793e\u4f1a\u7684\u7b97\u529b\u5e94\u7528\u573a\u666f\u8d8a\u6765\u8d8a\u591a\uff0c\u4e0d\u540c\u7684\u573a\u666f\u4f1a\u7528\u5230\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\u3002\u8fd9\u5c31\u7ed9\u5382\u5546\u4eec\u63d0\u51fa\u4e86\u96be\u9898\u2014\u2014\u9700\u8981\u8ba9\u81ea\u5bb6\u7684\u7b97\u5361\uff0c\u5c3d\u53ef\u80fd\u652f\u6301\u66f4\u591a\u7684\u6570\u636e\u7c7b\u578b\u3002<\/span><\/span><\/p>\n


              <\/span><\/p>\n

              \u6240\u4ee5\uff0c\u4eca\u5e74\u4ee5\u6765\uff0c\u5305\u62ec\u56fd\u4ea7\u54c1\u724c\u5728\u5185\u7684\u4e00\u4e9b\u7b97\u5361\u5382\u5546\uff0c\u90fd\u63d0\u51fa\u4e86\u5168\u573a\u666f\u3001\u5168\u6570\u636e\u7c7b\u578b\u3001\u5168\u529f\u80fdGPU\uff08NPU\uff09\u7684\u8bf4\u6cd5\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u81ea\u5bb6\u7684\u7b97\u5361\uff0c\u9700\u8981\u80fd\u591f\u901a\u5403\u6240\u6709\u7684\u5e94\u7528\u573a\u666f\uff0c\u652f\u6301\u6240\u6709\u7684\u6570\u636e\u7c7b\u578b\u3002<\/span><\/span><\/p>\n


              <\/span><\/p>\n

              <\/section>\n


              <\/span><\/p>\n

              \u672a\u6765\uff0c\u968f\u7740AI\u6d6a\u6f6e\u7684\u53d1\u5c55\uff0cFP4\u3001INT4\u751a\u81f3<\/span><\/span>\u4e8c\u503c\u5316\uff08Binary\/Temary\uff09\u7684\u66f4\u4f4e\u7cbe\u5ea6\u6570\u636e\u7c7b\u578b\uff0c\u4f1a\u4e0d\u4f1a\u66f4\u52a0\u666e\u53ca\u5462\uff1f\u4f1a\u4e0d\u4f1a\u53d6\u4ee3FP32\/FP16\/INT8\uff1f<\/span><\/span><\/p>\n


              <\/span><\/p>\n

              \u8ba9\u6211\u4eec\u62ed\u76ee\u4ee5\u5f85\uff01<\/span><\/span><\/p>\n


              <\/span><\/p>\n


              <\/span><\/p>\n

              \u53c2\u8003\u6587\u732e\uff1a<\/span><\/span><\/p>\n

              1\u3001\u300a<\/span><\/span>\u4ece\u7cbe\u5ea6\u5230\u6548\u7387\uff0c\u6570\u636e\u7c7b\u578b\u5982\u4f55\u91cd\u5851\u8ba1\u7b97\u4e16\u754c\uff1f\u300b\uff0c\u4e0d\u5b8c\u7f8e\u7684\u4ee3\u7801\uff0cCSDN\uff1b<\/span><\/span><\/p>\n

              2\u3001\u300a<\/span><\/span>\u5927\u6a21\u578b\u7cbe\u5ea6\uff1aFP32\u3001TF32\u3001FP16\u3001BF16\u3001FP8\u3001FP4\u3001NF4\u3001INT8\u300b\uff0c\u77e5\u4e4e\uff1b<\/span><\/span><\/p>\n

              3\u3001\u300a<\/span><\/span>\u73b0\u5728\u8c08\u8bba\u5927\u6a21\u578b\u53c2\u6570\uff0c\u5176\u4e2d\u7684\u201cfp8\u201d\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u300b\uff0c<\/span><\/span>Edison Chen\uff0c<\/span><\/span>\u77e5\u4e4e\uff1b<\/span><\/span><\/p>\n

              4\u3001\u300a<\/span><\/span>GPU\u670d\u52a1\u5668\u8ba1\u7b97\u7cbe\u5ea6\u662f\u4ec0\u4e48\uff1fFP32\u3001FP16\u548cINT8\u5168\u89e3\u6790\u300b\uff0c\u71b5\u4e91\u667a\u80fd\u4e2d\u5fc3\uff0c\u77e5\u4e4e\uff1b<\/span><\/span><\/p>\n

              5\u3001\u300a<\/span><\/span>\u5927\u6a21\u578b\u6d89\u53ca\u5230\u7684\u7cbe\u5ea6\u6709\u591a\u5c11\u79cd\uff1f\u300b\uff0c\u4e00\u6b65\u7559\u795e\uff0c\u77e5\u4e4e\uff1b<\/span><\/span><\/p>\n

              6\u3001\u767e\u5ea6\u767e\u79d1\u3001\u7ef4\u57fa\u767e\u79d1\u3001\u817e\u8baf\u5143\u5b9d\u3002<\/span><\/span><\/p>\n

              <\/section>\n<\/p>\n

              \u6587\u7ae0\u8f6c\u8f7d\u81ea\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u9c9c\u67a3\u8bfe\u5802<\/p>\n","protected":false},"excerpt":{"rendered":"

              \u7f51\u4e0a\u5173\u4e8e\u7b97\u529b\u7684\u6587\u7ae0\uff0c\u5982\u679c\u63d0\u5230\u67d0\u4e2a\u82af\u7247\u6216\u67d0\u4e2a\u667a\u7b97\u4e2d\u5fc3\u7684\u7b97\u529b\uff0c\u90fd\u4f1a\u5199\uff1a \u5728FP32\u7cbe\u5ea6\u4e0b\uff0c\u82f1\u4f1f\u8fbeH100\u7684\u7b97\u529b\u5927\u7ea6 […]<\/p>\n","protected":false},"author":1,"featured_media":3263,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[433],"tags":[658,657,659,193],"class_list":["post-3262","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-433","tag-fp16","tag-fp32","tag-int8","tag-193"],"_links":{"self":[{"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/posts\/3262"}],"collection":[{"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3262"}],"version-history":[{"count":1,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/posts\/3262\/revisions"}],"predecessor-version":[{"id":3264,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/posts\/3262\/revisions\/3264"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/media\/3263"}],"wp:attachment":[{"href":"http:\/\/www.xzclass.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3262"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}