{"id":151,"date":"2024-06-25T20:48:35","date_gmt":"2024-06-25T12:48:35","guid":{"rendered":"http:\/\/chenglixue.top\/?p=151"},"modified":"2024-07-03T23:36:15","modified_gmt":"2024-07-03T15:36:15","slug":"%e7%ae%80%e5%8d%95%e4%bb%8b%e7%bb%8d%e4%b8%80%e4%b8%8bgpu%e6%9e%b6%e6%9e%84","status":"publish","type":"post","link":"http:\/\/chenglixue.top\/?p=151","title":{"rendered":"\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0bGPU\u67b6\u6784"},"content":{"rendered":"

<\/div><\/p>\n

\u4ec0\u4e48\u662fGPU\uff1f<\/h1>\n

\"A graphics processing unit<\/strong> (GPU<\/strong>) is a specialized electronic circuit designed to manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device.\"<\/p>\n

\u610f\u601d\u662fGPU\u662f\u4e13\u7528\u7684\u7535\u5b50\u7535\u8def\uff0c\u7528\u4e8e\u64cd\u7eb5\u548c\u6539\u53d8\u5b58\u50a8\u5668\uff0c\u6765\u52a0\u901f\u5728\u5e27\u7f13\u51b2\u533a\u4e2d\u521b\u5efa\u56fe\u50cf\uff0c\u8be5\u5e27\u7f13\u51b2\u533a\u7528\u4e8e\u8f93\u51fa\u5230\u663e\u793a\u8bbe\u5907\u3002\u4e5f\u5c31\u662f\u8bf4\uff0cGPU\u662f\u4e13\u95e8\u7528\u4e8e\u751f\u6210\u56fe\u50cf\u7684\u8ba1\u7b97\u5355\u5143\u3002GPU \u4e3b\u8981\u7528\u4e8e\u5d4c\u5165\u5f0f\u7cfb\u7edf\u3001\u7535\u8bdd\u3001pc\u3001\u5de5\u4f5c\u7ad9\u548c\u6e38\u620f\u673a<\/p>\n

\u4e3a\u4ec0\u4e48\u9700\u8981GPU\uff1fCPU\u4e0d\u53ef\u4ee5\u5417<\/h1>\n

CPU\u4e5f\u53ef\u4ee5\u751f\u6210\u56fe\u50cf\uff0c\u4f46\u5b83\u7684\u6548\u7387\u4e0d\u9ad8\u3002\u73b0\u5728\u751f\u6210\u56fe\u50cf\u9700\u8981\u7684\u8ba1\u7b97\u91cf\u5341\u5206\u5927\uff0c\u5c24\u5176\u662f\u8981\u505a\u5230\u5b9e\u65f6\u7684\u6548\u679c<\/p>\n

\u5148\u6765\u770b\u770bGPU \u548c CPU\u7684\u67b6\u6784\u7684\u4e0d\u540c\"\"<\/p >\n

\u5982\u4e0a\u56fe\u6240\u793a\uff0cCPU\u5927\u90e8\u5206\u7531\u63a7\u5236\u5668<\/code>\u548c\u5bc4\u5b58\u5668<\/code>\u6784\u6210\uff0c\u800cGPU\u5927\u90e8\u5206\u4e3aALU<\/code>,\u5b83\u5177\u6709\u9ad8\u5e76\u884c\u7ed3\u6784<\/code>.\u6240\u4ee5 GPU \u5728\u5904\u7406\u56fe\u5f62\u6570\u636e\u548c\u590d\u6742\u7b97\u6cd5\u65b9\u9762\u62e5\u6709\u6bd4 CPU \u66f4\u9ad8\u7684\u6548\u7387<\/p>\n

\u4ec0\u4e48\u662fALU\u5462\uff1fALU(Arithmetic Logic Unit)\u79f0\u4e3a\u903b\u8f91\u8fd0\u7b97\u5355\u5143,\u7528\u4e8e\u6570\u636e\u5904\u7406\uff0c\u6b63\u56e0\u4e3aGPU\u6709\u5927\u91cf\u7684ALU\uff0c\u56e0\u6b64\u5b83\u5341\u5206\u9002\u5408\u5bf9\u5bc6\u96c6\u578b\u6570\u636e\u8fdb\u884c\u5e76\u884c\u5904\u7406<\/p>\n

CPU\u6267\u884c\u6307\u4ee4\u65f6\uff0c\u4e00\u6b21\u53ea\u80fd\u5904\u7406\u4e00\u4e2a\u6570\u636e\uff0c\u4e0d\u5b58\u5728\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u5e76\u884c\uff0c\u4f46GPU\u6709\u591a\u4e2a\u5904\u7406\u5668\u6838\uff0c\u5728\u4e00\u4e2a\u65f6\u523b\u53ef\u4ee5\u5e76\u884c\u5904\u7406\u591a\u4e2a\u6570\u636e<\/p>\n

GPU\u91c7\u7528\u6d41\u5f0f\u5e76\u884c\u8ba1\u7b97\uff0c\u53ef\u5bf9\u6bcf\u4e2a\u6570\u636e\u8fdb\u884c\u72ec\u7acb\u7684\u5e76\u884c\u8ba1\u7b97<\/code>(\u6d41\u5185\u4efb\u610f\u5143\u7d20\u7684\u8ba1\u7b97\u4e0d\u4f9d\u8d56\u4e8e\u5176\u4ed6\u540c\u7c7b\u578b\u7684\u6570\u636e<\/code>).\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u4e2a\u6570\u636e\u5355\u72ec\u6267\u884c\u7684\u65f6\u95f4\u548c\u591a\u4e2a\u6570\u636e\u5e76\u884c\u4e00\u8d77\u8fd0\u7b97\u7684\u65f6\u95f4\u662f\u4e00\u6837\u7684<\/p>\n

\u65e2\u7136GPU\u90a3\u4e48\u725b\uff0c\u4e0d\u53ef\u4ee5\u53d6\u4ee3CPU\u5417\uff1f<\/h1>\n

\u867d\u7136GPU\u8fd9\u79cd\u5e76\u884c\u5904\u7406\u7684\u65b9\u5f0f\u8fd0\u7b97\u901f\u5ea6\u7684\u786e\u975e\u5e38\u5feb\uff0c\u4f46\u56e0\u4e3a\u4efb\u4e00\u5143\u7d20\u7684\u8ba1\u7b97\u4e0d\u4f9d\u8d56\u4e8e\u5176\u4ed6\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u6240\u4ee5GPU\u9700\u8981\u4f9d\u8d56\"\u77e5\u6653\u6570\u636e\u95f4\u76f8\u5173\u6027<\/code>\"\u7684\u7b97\u6cd5\uff0c\u8fd9\u5728CPU\u4e0a\u5b9e\u73b0\u5341\u5206\u4fbf\u6377\uff0c\u4f46GPU\u5f88\u56f0\u96be<\/p>\n

\u800c\u4e14\uff0cGPU\u5728\u63a7\u5236\u6d41<\/code>\u65b9\u9762\u4e0d\u5982CPU\u3002GPU\u7684\u63a7\u5236\u5668\u5c11\u4e8eCPU\uff0c\u800c\u63a7\u5236\u5668\u7684\u529f\u80fd\u5c31\u662f\u53d6\u6307\u4ee4\u4e14\u6307\u51fa\u4e0b\u4e00\u6761\u6307\u4ee4\u5728\u5185\u5b58\u4e2d\u7684\u4f4d\u7f6e\uff0c\u4ee5\u6b64\u534f\u8c03\u8ba1\u7b97\u673a\u5404\u4e2a\u90e8\u5206\u6309\u90e8\u5c31\u73ed\u7684\u5de5\u4f5c<\/p>\n

CPU\u548cGPU\u5982\u4f55\u5e76\u884c\u5de5\u4f5c\uff1f<\/h1>\n

\u82e5\u6ca1\u6709\u6e32\u67d3\u6d41\u6c34\u7ebf\uff0cCPU\u9700\u8981\u7b49\u5230GPU\u5b8c\u6210\u4e0a\u4e00\u4e2a\u6e32\u67d3\u4efb\u52a1\u624d\u80fd\u518d\u6b21\u53d1\u9001\u6e32\u67d3\u547d\u4ee4\uff0c\u5f88\u663e\u7136\u8fd9\u79cd\u65b9\u5f0f\u6e32\u67d3\u6548\u7387\u4f4e\u4e0b\uff0c\u5e76\u4e0d\u662f\u5e76\u884c\u7684\u3002\u90a3\u4e48\u5982\u4f55\u8ba9\u4ed6\u4eec\u8fdb\u884c\u5e76\u884c\u5de5\u4f5c\u5462\uff1f\u89e3\u51b3\u4e4b\u9053\u662f\u4f7f\u7528\u547d\u4ee4\u7f13\u51b2\u533a(Command Buffer)<\/p>\n

\u547d\u4ee4\u7f13\u51b2\u533a\u5305\u542b\u4e00\u4e2a\u547d\u4ee4\u961f\u5217\uff0c\u7531CPU\u5411\u5176\u6dfb\u52a0\u547d\u4ee4\uff0c\u7531GPU\u4ece\u4e2d\u8bfb\u53d6\u547d\u4ee4\uff0c\u8fd9\u4e24\u4e2a\u6b65\u9aa4\u662f\u76f8\u4e92\u72ec\u7acb\u7684\u3002\u5f53CPU\u9700\u8981\u6e32\u67d3\u5bf9\u8c61\u65f6\uff0c\u4fbf\u5411\u547d\u4ee4\u7f13\u51b2\u533a\u6dfb\u52a0\u547d\u4ee4\uff0c\u800c\u5f53GPU\u5b8c\u6210\u4e0a\u6b21\u6e32\u67d3\u4efb\u52a1\u540e\uff0c\u4fbf\u4f1a\u4ece\u547d\u4ee4\u961f\u5217\u4e2d\u518d\u53d6\u4e00\u4e2a\u547d\u4ee4\u6267\u884c\u5b83\"\"<\/p >\n

\u547d\u4ee4\u7f13\u51b2\u533a\u7684\u547d\u4ee4\u6709\u8bb8\u591a\u79cd\uff0cDrawCall\u662f\u5176\u4e2d\u4e00\u79cd<\/p>\n

GPU\u67b6\u6784\u4e0e\u5185\u5b58\u67b6\u6784<\/h1>\n
    \n
  • \u76ee\u524d\u7684GPU\u67b6\u6784\u5b58\u5728\u4e24\u79cd\uff0c\u5206\u522b\u662f\u5206\u79bb\u5f0f\u67b6\u6784<\/strong>\u548c\u8026\u5408\u5f0f\u67b6\u6784<\/strong>\n

    \"\"<\/p >\n

    \u4e0a\u56fe\u5de6\u662f\u5206\u79bb\u5f0f\u67b6\u6784<\/strong>\uff0cCPU\u548cGPU\u5404\u81ea\u6709\u72ec\u7acb\u7684\u7f13\u5b58\u548c\u5185\u5b58<\/strong>\uff0c\u5b83\u4eec\u901a\u8fc7PCI-e\u7b49\u603b\u7ebf\u901a\u8baf\u3002\u8fd9\u79cd\u7ed3\u6784\u7684\u7f3a\u70b9\u5728\u4e8e PCI-e \u76f8\u5bf9\u4e8e\u4e24\u8005\u5177\u6709\u4f4e\u5e26\u5bbd<\/strong>\u548c\u9ad8\u5ef6\u8fdf<\/strong>\uff0c\u6570\u636e\u7684\u4f20\u8f93\u662f\u6027\u80fd\u74f6\u9888<\/strong>\u3002\u76ee\u524d\u4f7f\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u5982PC\u3001\u624b\u673a<\/strong>\u7b49<\/p>\n

    \u4e0a\u56fe\u53f3\u662f\u8026\u5408\u5f0f\u67b6\u6784<\/strong>\uff0cCPU \u548c GPU \u5171\u4eab\u5185\u5b58\u548c\u7f13\u5b58<\/strong>\u3002AMD \u7684 APU \u91c7\u7528\u7684\u5c31\u662f\u8fd9\u79cd\u7ed3\u6784\uff0c\u76ee\u524d\u4e3b\u8981\u4f7f\u7528\u5728\u6e38\u620f\u4e3b\u673a<\/strong>\u4e2d\uff0c\u5982 PS4<\/p>\n<\/li>\n

  • \n

    \u5927\u591a\u6570GPU\u4e0eCPU\u7c7b\u4f3c\uff0c\u4e5f\u6709\u591a\u7ea7\u7f13\u5b58\u7ed3\u6784\uff1a\u5bc4\u5b58\u5668\u3001L1\u7f13\u5b58\u3001L2\u7f13\u5b58\u3001GPU\u663e\u5b58\u3001\u7cfb\u7edf\u663e\u5b58
    \n\"\"<\/p >\n

    \u5b83\u4eec\u7684\u5b58\u53d6\u901f\u5ea6\u4ece\u5bc4\u5b58\u5668\u5230\u7cfb\u7edf\u5185\u5b58\u4f9d\u6b21\u53d8\u6162
    \n\"\"<\/p >\n

    \u76ee\u524d\u6d41\u884c\u7684\u4e09\u79cdGPU\u67b6\u6784<\/h1>\n

    \u57fa\u4e8ePC\u548c\u79fb\u52a8\u7aef\u51fa\u73b0\u4e86\u4e24\u79cd\u7c7b\u578b\u7684GPU\u67b6\u6784\uff1aIMR\uff08Immediately Mode Rendering\uff09\u548c TBR(Tile-Based Rendering)\uff0c\u4e5f\u5c31\u662f\u7acb\u5373\u6e32\u67d3\u548c\u5206\u5757\u6e32\u67d3\u3002IMR\u7528\u4e8ePC\u7aef\uff0c\u800cTBR\u7528\u4e8e\u79fb\u52a8\u7aef\u3002TBDR\uff08Tile-Based Deferred Rendering\uff09\u76f8\u8f83\u4e8eTBR\u8fd8\u591a\u4e00\u6b21\u57fa\u4e8e\u786c\u4ef6\u7684Deffered\uff0c\u662f\u76ee\u524d\u4e3b\u6d41\u79fb\u52a8\u7aef<\/strong>\u6240\u4f7f\u7528\u7684\u67b6\u6784<\/p>\n

    \u540d\u8bcd\u89e3\u91ca<\/h1>\n

    \u8c08\u5230GPU\u67b6\u6784\u4f1a\u51fa\u73b0\u8bb8\u591a\u65b0\u540d\u8bcd\uff0c\u8fd9\u91cc\u5bf9\u5b83\u4eec\u8fdb\u884c\u4e2a\u603b\u7ed3<\/p>\n

      \n
    • SOC\uff08System On Chip\uff09\n

      \u628aCPU\u3001GPU\u3001\u5185\u5b58\u3001\u901a\u4fe1\u57fa\u5e26\u3001GPS\u7b49\u6a21\u5757\u6574\u5408<\/strong>\u5728\u4e00\u8d77\u7684\u82af\u7247\u540d<\/p>\n<\/li>\n

    • \n

      Sistem Memory<\/p>\n

      SOC\u4e2dGPU\u548cCPU\u5171\u7528\u4e00\u5757\u7247\u5185LPDDR\u7269\u7406\u5185\u5b58<\/strong>\uff0c\u5c31\u662f\u6211\u4eec\u5e38\u8bf4\u7684\u624b\u673a\u5185\u5b58<\/strong>\uff0c\u4e5f\u53ebSystemMemory<\/p>\n<\/li>\n

    • \n

      OnChipMemory<\/p>\n

      CPU\u548cGPU\u8fd8\u5206\u522b\u6709\u81ea\u5df1\u7684\u9ad8\u901fSRAM\u7684Cache\u7f13\u5b58\uff0c\u8bfb\u5199\u901f\u5ea6\u975e\u5e38\u5feb<\/strong><\/p>\n<\/li>\n

    • \n

      Stall<\/p>\n

      \u5f53\u4e00\u4e2aGPU\u6838\u5fc3\u7684\u4e24\u6b21\u8ba1\u7b97\u7ed3\u679c\u4e4b\u95f4\u6709\u4f9d\u8d56\u5173\u7cfb\u800c\u5fc5\u987b\u4e32\u884c\u65f6\u7684\u7b49\u5f85\u8fc7\u7a0b<\/p>\n<\/li>\n

    • \n

      FillRate<\/p>\n

      \u50cf\u7d20\u586b\u5145\u7387 = \u603b\u50cf\u7d20\u6570 x Shader\u590d\u6742\u5ea6 x Overdraw<\/p>\n<\/li>\n<\/ul>\n

      IMR\u67b6\u6784<\/h1>\n

      IMR\u67b6\u6784\u7684\u6d41\u7a0b\u548c\u7f51\u4e0a\u7ecf\u5e38\u770b\u5230\u7684\u6e32\u67d3\u7ba1\u7ebf\u7c7b\u4f3c\uff0c\u4ece\u7cfb\u7edf\u5185\u5b58\u4e2d\u5c06mesh data\u3001texture data\u63d0\u4ea4\u5230\u663e\u5b58\u4e2d\uff0c\u540e\u7eed\u5bf9depth buffer\u3001frame buffer\u7684\u8bfb\u5199\u90fd\u4f4d\u4e8e\u663e\u5b58\u4e2d\u3002\u5f53\u9876\u70b9\u7ecf\u8fc7vertex shader\u5904\u7406\u540e\uff0c\u4f1a\u8fdb\u5165\u4e00\u4e2a\u5148\u8fdb\u5148\u51fa\u961f\u5217\u5e76\u4f9d\u6b21\u5904\u7406\uff0c\u5904\u7406\u5b8c\u540e\u7684\u9876\u70b9\u6570\u636e\u8f93\u5165\u5230fragment shader\u4e2d
      \n\"\"\"\"<\/p >\n

        \n
      • \u4f18\u70b9\n
          \n
        • \u6bcf\u4e2a\u56fe\u5143\u76f4\u63a5\u63d0\u4ea4\u6e32\u67d3\uff0c\u65e0\u9700\u4efb\u4f55\u989d\u5916\u5904\u7406\uff0c\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8GPU\u7684\u541e\u5410\u91cf\uff0c\u5145\u5206\u5229\u7528GPU\u6027\u80fd<\/li>\n
        • \u9876\u70b9\u6570\u636e\u88ab\u586b\u5145\u5230FIFO\u961f\u5217\uff0c\u5373\u4f7f\u51e0\u4f55\u6570\u636e\u518d\u591a\uff0c\u4e5f\u4f1a\u7d2f\u79ef\u5728On-Chip\u4e0a\u3002\u5982\u6b64GPU\u4f7f\u7528\u5f88\u5c11\u7684\u5916\u90e8\u5185\u5b58\u5e26\u5bbd<\/strong>\u6765\u5b58\u50a8\u548c\u68c0\u7d22\u4e2d\u95f4\u51e0\u4f55\u7ed3\u679c\u3002\u4f7f\u5f97IMR\u67b6\u6784\u53ef\u4ee5\u5904\u7406\u6d77\u91cf\u7684DrawCall\u548c\u9876\u70b9<\/strong><\/li>\n<\/ul>\n<\/li>\n
        • \u7f3a\u70b9\n
            \n
          • Overdraw\u3002\u5f53A\u56fe\u5143\u5df2\u7ecf\u88ab\u6e32\u67d3\uff0c\u4f46\u662fB\u56fe\u5143\u5b8c\u5168\u906e\u6321\u4e86A\u56fe\u5143\uff0cA\u56fe\u5143\u7684\u6e32\u67d3\u5c31\u6beb\u65e0\u610f\u4e49\uff0c\u8fd9\u5c31\u662fOverDraw\u3002\u5728IMR\u901a\u5e38\u901a\u8fc7Early-Z(Early Visibility Test)\u907f\u514dOverDraw<\/p>\n<\/li>\n
          • \n

            IMR\u9700\u8981\u5904\u7406\u5927\u91cf\u6570\u636e\uff0c\u9020\u6210\u6d88\u8017\u5927\u91cf\u7684\u5185\u5b58\u5e26\u5bbd\u3002\u56e0\u4e3aIMR\u5728\u5168\u5c4f\u7684FrameBuffer\u4e0a\u6e32\u67d3\uff0c\u5bfc\u81f4FrameBuffer\u6709\u5f88\u5927\u7684\u5185\u5b58\u5360\u7528\uff0c\u6240\u4ee5\u4e00\u822c\u653e\u5728\u663e\u5b58\u4e2d\u3002\u7136\u800cIMR\u67b6\u6784\u4e0b\u4f1a\u548cFrameBuffer\u7684\u591a\u6b21\u8bfb\u5199\uff0c\u5e76\u4e14\u5728\u50cf\u7d20\u7740\u8272\u5668\u4e4b\u540e\u7684Depth Test\u3001Stencil Test\u548cBlend\u7b49\u64cd\u4f5c\u90fd\u4f1a\u6709\u591a\u6b21\u8bfb\u5199\uff0c\u8fd9\u4f1a\u6d88\u8017\u5927\u91cf\u7684\u5e26\u5bbd<\/strong>\uff0c\u540c\u65f6\u8fd8\u4f1a\u4ea7\u751f\u8f83\u9ad8\u7684\u80fd\u8017<\/strong><\/p>\n<\/li>\n<\/ul>\n

            \u4f18\u5316\uff1aGPU\u8bbe\u7acb\u4e86L1\u3001L2Cache\u6765\u4f18\u5316\u6bcf\u6b21\u6e32\u67d3\u540e\u7684Color\u548cDepth\u6570\u636e\u5199\u56de\u5230Frame Buffer\u548c Depth Buffer\u4ea7\u751f\u7684\u5e26\u5bbd\u6d88\u8017<\/p>\n<\/li>\n<\/ul>\n

            TBR\u67b6\u6784<\/h1>\n

            \u4e3a\u4ec0\u4e48\u79fb\u52a8\u7aef\u4e0d\u4f7f\u7528IMR\u67b6\u6784\uff1f<\/h2>\n

            \u5728\u79fb\u52a8\u7aef\u6700\u6ce8\u91cd\u7684\u662f\u53d1\u70ed\u91cf\uff0c\u800c\u53d1\u70ed\u91cf\u7684\u76f4\u63a5\u5143\u51f6\u4fbf\u662f\u5e26\u5bbd\uff0c\u56e0\u6b64\u5728\u79fb\u52a8\u7aef\u7684GPU\u67b6\u6784\u4e2d\u9700\u8981\u7740\u91cd\u8003\u8651\u5e26\u5bbd\u3002\u4f46\u770b\u4e86IMR\u67b6\u6784\u53ef\u4ee5\u53d1\u73b0\uff0c\u8be5\u67b6\u6784\u4e0b\u5e26\u5bbd\u6d88\u8017\u975e\u5e38\u9ad8\uff0c\u4e0d\u9002\u4e8e\u624b\u673a\u7aef\u8fd9\u6837\u5e26\u5bbd\u53ef\u601c\u7684\u5e73\u53f0\u3002\u56e0\u6b64\u4fbf\u884d\u751f\u4e86TBR\u67b6\u6784<\/p>\n

            TBR\u67b6\u6784\u4e0eIMR\u67b6\u6784\u7684\u533a\u522b<\/h2>\n

            \u548cIMR\u5728\u5168\u5c4fFrameBuffer\u4e0a\u76f4\u63a5\u6e32\u67d3\u4e0d\u540c\uff0cTBR\u7684\u601d\u8def\u662f\u5c06\u6574\u4e2a\u5c4f\u5e55\u5212\u5206\u4e3a\u591a\u4e2aTile\u6765\u8fdb\u884c\u6e32\u67d3\uff0c\u6574\u4e2aTile\u5728fragment\u540e\u624d\u4f1a\u5c06\u6e32\u67d3\u7ed3\u679c\u5199\u5165FrameBuffer\uff0c\u6240\u4ee5TBR\u62c6\u5206\u4e3a\u4e24\u4e2a\u9636\u6bb5
            \n\"\"<\/p >\n

            \u53ef\u4ee5\u770b\u5230\u4e0a\u56fe\u4e2d\u4f7f\u7528\u4e86On-chip Memory\uff0c\u539f\u56e0\u662f\u624b\u673a\u7aefGPU\u5e76\u6ca1\u6709\u663e\u5b58<\/strong>\u3002\u8fd9\u662f\u56e0\u4e3aSOC\u4e2dCPU\u3001GPU\u88ab\u96c6\u6210\u5728\u4e00\u8d77\uff0c\u5b83\u4eec\u4f7f\u7528\u7684\u5185\u5b58\u5728\u540c\u4e00\u4e2a\u7269\u7406\u5185\u5b58\u9897\u7c92\u4e0a\u3002\u4f46GPU\u6709\u903b\u8f91\u4e0a\u72ec\u7acb\u7684\u5185\u5b58\u533a\u95f4\uff0c\u8fd9\u5757\u5185\u5b58\u533a\u95f4\u662fGPU\u9a71\u52a8\u6765\u7ba1\u7406\u7684\u3002\u518d\u63d0\u9192\u4e00\u53e5\uff0c\u5728\u4ee5\u524dopenGL ES\u89c4\u8303\u4e2dCPU\u548cGPU\u4e4b\u95f4\u7684\u5185\u5b58\u662f\u4e0d\u80fd\u5171\u4eab\u7684\uff0cvertex\u548ctexture\u7684buffer\u662f\u9700\u8981\u62f7\u8d1d\u7684\uff0c\u5373\u4f7f\u662f\u5728\u540c\u4e00\u7269\u7406\u5185\u5b58\u4e0a\uff1b\u4f46\u5728\u5f53\u4e0b\u7684\u56fe\u5f62API\u4e2d\uff0c\u5df2\u7ecf\u652f\u6301\u5171\u4eab\u5185\u5b58<\/strong>\u8ba9CPU\u548cGPU\u90fd\u53ef\u4ee5\u76f4\u63a5\u8bfb\u53d6\u3002\u800cOn-chip Memory\u7c7b\u4f3c\u4e8eL1\u3001L2\u7f13\u5b58\uff0c\u8bfb\u5199\u901f\u5ea6\u975e\u5e38\u5feb<\/p>\n

            \u56e0\u4e3aOn-chip Memory\u7c7b\u4f3c\u4e8eL1\u3001L2\u7f13\u5b58\uff0c\u800cL1\u3001L2\u7f13\u5b58\u7684\u7279\u70b9\u662f\u975e\u5e38\u5c0f\uff0c\u4e3a\u4e86\u5145\u5206\u5229\u7528\u8fd9\u4e00\u7279\u6027\uff0cIMR\u5c31\u63d0\u51fa\u4e86\u5206\u5757\u5904\u7406(Tile)\u3002\u6574\u4e2a\u5149\u6805\u5316\u548c\u50cf\u7d20\u5904\u7406<\/strong>\u4f1a\u88ab\u5206\u4e3a\u4e00\u4e2a\u4e2aTile\u8fdb\u884c\u5904\u7406\uff0c\u901a\u5e38\u4e3a16\u00d716\u5927\u5c0f\u7684Tile\u3002TBR\u4f7f\u7528On-Chip Buffers\u50a8\u5b58Tiling\u540e\u7684Depth Buffer\u548cColor buffer<\/strong>\uff0c\u51cf\u5c11\u4e86\u6700\u5f71\u54cd\u6027\u80fd\u7684\u7cfb\u7edf\u5185\u5b58\u4f20\u8f93\u7684\u5f00\u9500<\/strong><\/p>\n

            \u4e0eIMR\u96f6\u4e00\u70b9\u4e0d\u540c\uff0cTBR\u5e76\u4e0d\u50cfIMR\u4e00\u6837\u6765\u4e00\u4e2a\u6e32\u4e00\u4e2a\uff0c\u800c\u662f\u5148\u8fdb\u884c\u9876\u70b9\u6570\u636e\u7684\u5904\u7406(Tile)\u540e\uff0c\u5c06\u5176\u4f20\u56de\u7269\u7406\u5185\u5b58\u4e2d\uff0c\u7b49\u5230\u9700\u8981\u5237\u65b0\u6574\u4e2aFrameBuffer\u65f6\uff0c\u518d\u5c06\u5176\u4ece\u7269\u7406\u5185\u5b58\u4f20\u56de\u6765\uff0c\u5e76\u8fdb\u884c\u5149\u6805\u5316<\/p>\n

            TBR\u7684\u4f18\u7f3a\u70b9<\/h2>\n
              \n
            • \u4f18\u70b9\n
                \n
              • TBR\u51cf\u5c11\u5bf9FrameBuffer\u9891\u7e41\u7684\u8bfb\u5199<\/strong>\uff0c\u5927\u5927\u51cf\u5c11\u5e26\u5bbd\u635f\u8017\u3002\u82e5\u6bcf\u4e2aTile\u8db3\u591f\u5c0f\uff0c\u53ef\u4ee5\u5c06FrameBuffer\u4e5f\u90fd\u653e\u5728On-Chip\u4e0a\uff08\u4e5f\u5c31\u662fL1\uff0cL2Cache\uff09\uff0c\u56e0\u4e3a\u5bf9On-Chip\u6765\u8bf4\u8bfb\u53d6\u548c\u5199\u5165\u901f\u5ea6\u90fd\u975e\u5e38\u5feb\uff0c\u4f46\u672c\u8eab\u7279\u522b\u5c0f<\/li>\n
              • FrameBuffer\u3001Depth Test\u3001Color Blend\u7b49\u90fd\u5728On-Chip\u4e0a\u5b8c\u6210<\/strong>\uff0c\u8fdb\u4e00\u6b65\u51cf\u5c11\u5bf9\u663e\u5b58\u7684\u8bfb\u5199\uff0c\u51cf\u5c11\u4e86\u5e26\u5bbd\u635f\u8017<\/li>\n
              • \u4e00\u822c\u60c5\u51b5\u4e0b\u77ed\u6682\u5b58\u5728\u7684\u7f13\u51b2\u533a<\/strong>\u5982Depth Buffer\u3001Stencil Buffer\u7b49\uff0c\u82e5\u540e\u7eed\u4e0d\u9700\u4f7f\u7528\u4e22\u5f03\u4fbf\u53ef<\/strong>\uff0c\u65e0\u9700\u56de\u5b58\u5230\u663e\u5b58\u4e2d\uff0c\u8fdb\u4e00\u6b65\u51cf\u5c11\u5e26\u5bbd\u635f\u8017<\/li>\n
              • \u5bf9\u4e8e\u67d0\u4e9b\u6280\u672f\u6709\u4e00\u5b9a\u4f18\u52bf\uff0c\u6bd4\u5982MSAA\uff0c\u56e0\u4e3a\u53ef\u4ee5\u5728On-Chip\u4e0a\u5b9e\u73b0Multisampling\uff0c\u4e0d\u4f1a\u5e26\u6765\u5927\u91cf\u7684\u8bbf\u95ee\u4e3b\u5b58\u7684\u5f00\u9500\uff0c\u4e5f\u4e0d\u4f1a\u5927\u5e45\u589e\u52a0\u663e\u5b58\u5360\u7528\u3002\u6240\u4ee5\u79fb\u52a8\u5e73\u53f0MSAA\u662f\u6bd4\u8f83\u9ad8\u6548<\/strong>\u7684\u3002\u4f46\u662f\u5f00\u542fMSAA\uff0c\u56e0\u4e3a\u5904\u7406\u7684\u6570\u636e\u8981\u53d8\u591a\uff0cOn-Chip\u5185\u5b58\u662f\u56fa\u5b9a\u7684\uff0c\u6240\u4ee5Tile\u5c3a\u5bf8\u4f1a\u5bf9\u5e94\u7f29\u5c0f\uff0c\u4f1a\u5bfc\u81f4Tile\u6574\u4f53\u6570\u91cf\u589e\u52a0<\/strong><\/li>\n<\/ul>\n<\/li>\n
              • \u7f3a\u70b9\n
                  \n
                • \u5ef6\u8fdf\u76f8\u8f83\u4e8eIMR\u8981\u9ad8\u4e9b\u3002\u56e0\u4e3aTile\u540e\uff0c\u6570\u636e\u9700\u8981\u653e\u5165\u7269\u7406\u5185\u5b58\uff0c\u7b49\u8981\u7528\u65f6\u518d\u5b58\u5165system memory\u6e32\u67d3\uff0c\u8fd9\u4e00\u6765\u4e00\u56de\u7684\u6027\u80fd\u635f\u8017\uff0c\u548cIMR\u76f8\u6bd4\u6765\u8bf4\u8fd9\u5c06\u662f\u4e00\u4e2a\u660e\u663e\u7684\u5ef6\u8fdf<\/li>\n
                • \u79fb\u52a8\u7aef\u66f2\u9762\u7ec6\u5206\u548c\u51e0\u4f55\u7740\u8272\u5668\u7684\u5f00\u9500\u5f88\u5927\u3002\u5bf9\u4e8e\u5904\u7406\u5b8c\u7684\u9876\u70b9\u6570\u636e\u548cPrimitive List\u8fd8\u9700\u8981\u653e\u5165\u663e\u5b58\u4e2d\uff0c\u5982\u679c\u9876\u70b9\u6570\u91cf\u7279\u522b\u591a\u7684\u8bdd\uff0c\u8fd9\u5c06\u6709\u4e00\u4e2a\u660e\u663e\u7684\u5e26\u5bbd\u5f00\u9500<\/li>\n
                • \u5982\u679c\u67d0\u4e9b\u4e09\u89d2\u5f62\u53e0\u52a0\u5728\u6570\u4e2aTile\u4e0a\uff0c\u9700\u8981\u88ab\u7ed8\u5236\u6570\u6b21\uff08\u6bcf\u4e2aTile\u90fd\u4f1a\u5904\u7406\u4e00\u904d\uff09\uff0c\u67d0\u4e9b\u56fe\u5143\u4f1a\u88ab\u91cd\u590d\u8ba1\u7b97\uff0c\u8fd9\u610f\u5473\u7740\u603b\u6e32\u67d3\u65f6\u95f4\u5c06\u9ad8\u4e8eIMR<\/li>\n
                • Tile\u5927\u5c0f\u7684\u9009\u62e9\u662f\u4e00\u4e2aTrade Off\u70b9\u3002\u5982\u679cTile\u9009\u62e9\u7684\u8fc7\u5927\uff0c\u5219Tile\u6570\u91cf\u76f8\u5bf9\u8f83\u5c11\uff0c\u610f\u5473\u7740\u91cd\u590d\u8ba1\u7b97\u7684\u56fe\u5143\u4f1a\u76f8\u5bf9\u8f83\u5c11\uff0c\u4f46\u5bf9\u5e94Tile\u5185\u8986\u76d6\u7684\u56fe\u5143\u7684\u6570\u91cf\u4e5f\u4f1a\u589e\u52a0\uff0cOn-Chip\u9700\u8981\u66f4\u5927\u5bb9\u91cf<\/strong>\u3002\u6240\u4ee5Tile\u7684\u5927\u5c0f\u76f8\u5f53\u91cd\u8981\uff0c\u73b0\u5728\u5927\u90e8\u5206\u5382\u5546\u90fd\u662f\u4f7f\u752832X32<\/strong>\u7684\u5927\u5c0f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                  TBDR<\/h1>\n

                  TBDR\u5168\u79f0\u662fTile-Based Deferred Rendering\uff0c\u76f8\u6bd4\u4e8eTBR\u6765\u8bf4\u8fd8\u589e\u52a0\u4e86\u4e00\u4e2aDeffered\u9636\u6bb5\u2014\u2014\u5982\u4e0b\u56fe\u6240\u793a\u7684HSR\u9636\u6bb5<\/p>\n

                  \"\"<\/p >\n

                  \u4e0e\u8f6f\u4ef6\u5c42\u9762\u7684Deffered\u4e0d\u540c\uff0cHSR\u662f\u5c5e\u4e8e\u786c\u4ef6\u5c42\u9762\u7684Deffered\uff0c\u7531\u786c\u4ef6\u81ea\u884c\u8fdb\u884c<\/p>\n

                  \u4e3a\u4ec0\u4e48\u9700\u8981\u65b0\u589eHSR<\/h2>\n

                  TBN\u67b6\u6784\u7684\u8bbe\u8ba1\u76ee\u7684\u662f\u4f18\u5316\u529f\u8017\uff0c\u4f46\u5b83\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff1a\u65e0\u6cd5\u907f\u514doverdraw\u3002\u867d\u7136GPU\u7ba1\u7ebf\u4e2d\u5bf9\u4e8e\u4e0d\u900f\u660e\u7269\u4f53\u53ef\u4ee5\u7528\u5230Early-Z\u6765\u4f18\u5316\u6e32\u67d3\u4e2a\u6570\uff0c\u4f46\u5bf9\u4e8e\u590d\u6742\u573a\u666f\u4e0d\u53ef\u80fd\u8fdb\u884c\u4e25\u683c\u7684\u7531\u8fd1\u5230\u8fdc\u7684\u7ed8\u5236\uff0c\u4e5f\u5c31\u662f\u8bf4Early-Z\u4e0d\u80fd\u5b8c\u5168\u907f\u514doverdraw<\/p>\n

                  Early-Z\u672c\u8eab\u6765\u8bf4\u662f\u6ca1\u95ee\u9898\u7684\uff0c\u95ee\u9898\u5728\u4e8e\u6bcf\u6b21Early-z\u901a\u8fc7\u540e\u5c31\u7ed8\u5236\u8be5\u50cf\u7d20\u3002\u56e0\u4e3aTBRTile\u540e\u4f1a\u5c06\u9876\u70b9\u6570\u636e\u5b58\u5230\u7f13\u51b2\u533a\u4e2d\uff0c\u6240\u4ee5\u5728HSR\u4e2d\u5c31\u53ef\u4ee5\u505a\u4e00\u6b21Deffered\uff0c\u5728Deffered\u7f13\u51b2\u533a\u4e2d\u8bb0\u5f55\u901a\u8fc7\u4e86Early-Z\u4e14\u6807\u8bb0\u8be5pixel\u662f\u5c5e\u4e8e\u54ea\u4e2a\u56fe\u5143\u7684pixel<\/strong>\uff08\u6ce8\u610f\u8fd9\u91cc\u867d\u7136\u901a\u8fc7\u4e86Early-Z\uff0c\u4f46\u5e76\u6ca1\u6709\u7acb\u9a6c\u5c31\u753b\uff09\u3002\u5f85Tile\u4e2d\u6240\u6709\u56fe\u5143\u90fd\u8bb0\u5f55\u5b8c\u6bd5\u540e\uff0c\u518d\u6839\u636e\u50cf\u7d20\u548c\u56fe\u5143\u7684\u6620\u5c04\u5173\u7cfb\u6765\u786e\u5b9a\u8fd0\u884c\u6307\u5b9a\u7684fragment shader\u3002\u8fd9\u6837\u5c31\u80fd\u5b9e\u73b00\u6b21overdraw\u7684\u6e32\u67d3\uff0c\u4e14Tile\u5757\u662f\u6bd4\u8f83\u5c0f\u7684\uff0c\u5728On-chip Memory\u4e2d\u8bfb\u5199\u7684\u4ee3\u4ef7\u4e5f\u662f\u6781\u5c0f\u7684<\/p>\n

                  \u57fa\u4e8eTBDR\u7684\u6e32\u67d3\u4f18\u5316<\/h2>\n

                  \u4e0d\u4f7f\u7528Framebuffer\u65f6clear\u6216discard<\/h3>\n

                  \u5728\u79fb\u52a8\u7aef\u4e0b\uff0c\u90fd\u662f\u7b49\u5230Tile\u5b8c\u540e\u624d\u628a\u6570\u636e\u9001\u8fdbFrameBuffer\uff0c\u56e0\u6b64\u5f88\u591a\u65f6\u5019FrameBuffer\u662f\u7a7a\u95f2\u7684\uff0c\u82e5FrameBuffer\u662f\u7a7a\u95f2\u7684\u5efa\u8baediscard\u5b83<\/p>\n

                  \u5728PC\u7aef\u4e0b\uff0c\u56e0\u4e3a\u662f\u6765\u5c31\u6e32\u67d3\uff0c\u6240\u4ee5\u65e0\u9700discardFrameBuffer<\/p>\n

                  \u4e0d\u8981\u5728\u4e00\u5e27\u91cc\u9762\u9891\u7e41\u7684\u5207\u6362framebuffer<\/h3>\n

                  \u6700\u5177\u4ee3\u8868\u6027\u7684\u4fbf\u662f\u540e\u5904\u7406\uff0c\u5728\u540e\u5904\u7406\u4e2d\u4f1a\u591a\u6b21\u5207\u6362FrameBuffer\uff0c\u6bcf\u4e00\u6b21\u5207\u6362\u90fd\u9700\u8981\u5bf9\u6574\u4e2aframebuffer\u7684\u8d70\u4e00\u904d\u7ed8\u5236\u6d41\u7a0b\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5207\u6362framebuffer\u5728tbdr\u7684\u67b6\u6784\u662f\u6027\u80fd\u74f6\u9888<\/strong><\/p>\n

                  Early-z\u7684\u6289\u62e9<\/h3>\n

                  \u56e0\u4e3atbdr\u6709framedata\u961f\u5217\uff0c\u5f88\u591agpu\u4f1a\u5f88\u806a\u660e\u7684\u5c3d\u91cf\u7b5b\u53bb\u4e0d\u9700\u8981\u7ed8\u5236\u7684framedata\u3002\u6240\u4ee5\u5728tbdr\u4e0aearly z\uff0c\u6216\u8005stencil test\u8fd9\u4e9b\u662f\u975e\u5e38\u6709\u76ca\u5904\u7684<\/p>\n

                  \u9700\u8981\u6ce8\u610f\u7684\u662fpowervr\u7684gpu\u4e0d\u9700\u8981eralyz<\/strong>\uff0c\u56e0\u4e3a\u5b83\u5185\u90e8\u7684HSR\u786c\u4ef6\u4f1a\u81ea\u52a8\u5904\u7406\u8fd9\u6279framedata\u6700\u7ec8\u7ed8\u5236\u5230\u5c4f\u5e55\u7684drawcall\uff0c\u751a\u81f3\u4e5f\u4e0d\u9700\u8981\u5bf9\u4e0d\u900f\u660e\u7684\u7269\u4f53\u505a\u4ece\u524d\u5230\u540e\u7684\u7ed8\u5236\u6392\u5e8f\u3002\u81f3\u4e8e\u5927\u90e8\u5206android\u8bbe\u5907\uff0c\u9884\u5148\u7684\u4e00\u904dearly-z\u53ef\u80fd\u5c31\u53ef\u4ee5\u5927\u5927\u51cf\u5c11overdraw\uff0c\u4f46early-z\u4f1a\u589e\u52a0cpu\u7684\u63d0\u4ea4\u8d1f\u62c5\uff0c\u5c3d\u7ba1\u5f88\u591aandroid\u663e\u5361\u5bf9\u4e8ezpass\u6709\u7279\u6b8a\u7684\u4f18\u5316\u3002\u603b\u4e4b\u5982\u679c\u5e26\u5bbd\u74f6\u9888\u4e25\u91cd\uff0c\u90a3\u4e48early-z\u662f\u6709\u5fc5\u8981\u5f00\u7684\u3002\u4f46\u660e\u786e\u7684\u662f\uff0c\u79fb\u52a8\u7aef\u7684early-z\u4e0d\u662f\u5728\u5149\u6805\u5316\u548cps\u4e4b\u95f4\uff0c\u800c\u662f\u5728\u66f4\u65e9\u7684\u5bf9framedata\u7684\u5904\u7406\u8fc7\u7a0b\u4e2d<\/p>\n

                  Alpha Blending\u548cMSAA\u7684\u6548\u7387\u8f83\u9ad8\uff0cAlpha-test\u6548\u7387\u8f83\u4f4e<\/h3>\n

                  Alpha Blending\u3001MSAA\u7684\u6548\u7387\u9ad8\u3002\u539f\u56e0\u662fAlpha Blending\u3001MSAA\u9700\u8981\u8bfb\u5199on-chip\u4e0a\u7684\u7f13\u51b2\u533a\uff0c\u4f46\u6bcf\u4e2aTile\u975e\u5e38\u5c0f\u4e14on-chip\u7684\u8bfb\u5199\u901f\u5ea6\u662f\u6781\u5feb\u7684\uff0c\u56e0\u6b64\u79fb\u52a8\u7aef\u4e0aAlpha Blending\u3001MSAA\u7684\u6548\u7387\u662f\u6bd4\u8f83\u9ad8\u7684<\/p>\n

                  Alpha-test\u6548\u7387\u5f88\u4f4e\u3002\u539f\u56e0\u5728\u4e8e\u5f00\u542fAlpha-test\u540eEarly Z\u4fbf\u4e0d\u518d\u652f\u6301\uff0c\u90a3\u4e48\u53ef\u80fd\u4f1a\u9020\u6210overdraw<\/p>\n

                  \u4f46\u5176\u5b9eAlpha Blending\u548cAlpha-test\u7684\u5f00\u9500\u5dee\u4e0d\u591a<\/strong><\/p>\n

                  \u82e5\u8981\u4f7f\u7528Alpha-test\uff0c\u4f7f\u7528Z-prePass<\/h3>\n

                  \u7b2c\u4e00\u4e2aPass\u5373Z-Prepass\u53ea\u5199\u5165\u6df1\u5ea6\uff0c\u4e0d\u8ba1\u7b97\u989c\u8272<\/strong><\/p>\n

                  \u7b2c\u4e8c\u4e2aPass\u5173\u95ed\u6df1\u5ea6\u5199\u5165<\/strong>\u5e76\u4e14\u5c06\u6df1\u5ea6\u6bd4\u8f83\u51fd\u6570\u8bbe\u4e3a\u76f8\u7b49<\/strong><\/p>\n

                  \u6e32\u67d3\u961f\u5217\uff1aopaque->alpha-test->blending<\/h3>\n

                  \u539f\u56e0\u662falpha-test\u4e0d\u4f1a\u963b\u6321\u5230\u66f4\u591a\u7684\u4e0d\u900f\u660e\u7269\u4f53\u7684z\u9884\u5254\u9664<\/p>\n

                  \u907f\u514d\u5927\u91cf\u7684drawcall\u548c\u9876\u70b9\u91cf<\/h3>\n

                  \u4f20\u7edf\u7684pc\u4e0a\u770b\uff0cdrawcall\u4ee5\u53ca\u9876\u70b9\u6570\u91cf\u5bf9gpu\u6ca1\u6709\u592a\u5927\u5f71\u54cd\uff0c\u4f46\u5bf9\u4e8e\u79fb\u52a8\u8bbe\u5907\uff0c\u7ed3\u8bba\u5c31\u4e0d\u662f\u8fd9\u6837\u7684\u3002tbr\u6e32\u67d3\u7684\u65f6\u5019\u5728Tile\u540e\u4f1a\u5b58\u50a8framedata\u961f\u5217\uff0c\u8fd9\u4e2aframedata\u6570\u636e\u4f1a\u968f\u7740drawcall\u3001\u9876\u70b9\u91cf\u800c\u589e\u5927<\/p>\n

                  \u867d\u7136\u4e0d\u77e5\u9053framedata\u7a76\u7adf\u5728\u4e0d\u540c\u7684\u8bbe\u5907\u4e0a\u53ef\u4ee5\u5b58\u653e\u591a\u5927\uff0c\u4f46\u662f\u6d4b\u8bd5\u6765\u770b\u767e\u4e07\u7684\u9876\u70b9\u91cf\u4e0d\u7ba1\u4f60\u7684drawcall\u591a\u5c11\uff0cshader\u591a\u7b80\u5355\uff0c\u5728\u5927\u90e8\u5206\u673a\u5668\u90fd\u80af\u5b9a\u4f1a\u89e6\u53d1\u8fd9\u4e2a\u74f6\u9888<\/p>\n

                  \u907f\u514dgpu\u4e0a\u7684copy-on-write<\/h3>\n

                  \u56e0\u4e3atbdr\u7684\u6e32\u67d3\u662f\u5ef6\u8fdf\u7684\uff0c\u60f3\u8c61\u8fd9\u6837\u4e00\u79cd\u60c5\u51b5\uff0c\u5f53\u524d\u5e27\u5185\u5bf9\u4e00\u4e2amesh\u505a\u4e2a\u9876\u70b9\u52a8\u753b\uff0c\u4f20\u9012\u7ed9gpu\u7ed8\u5236\uff0c\u7136\u540e\u540e\u9762\u53c8\u6539\u53d8\u4e86\u5b83\u7684\u9876\u70b9\u52a8\u753b\uff0c\u53c8\u63d0\u4ea4\u7ed9gpu\u3002\u524d\u9762\u4e00\u4e2a\u7684vb\u8fd8\u7ed1\u5b9a\u5728gpu\u4e0a\u6ca1\u6709\u88ab\u5904\u7406\uff0c\u5904\u4e8eframedata\u961f\u5217\u72b6\u6001\uff0c\u8fd9\u4e00\u4efd\u540c\u6837\u7684vb\uff08\u6539\u53d8\u8fc7\u7684\uff09\u53c8\u8981\u8fc7\u6765\u4e86\uff0c\u8fd9\u65f6gpu\u4f1a\u5bf9\u8fd9\u4e2avb\u505a\u4e00\u4e2a\u65b0\u7684\u62f7\u8d1d\uff0c\u4ee5\u5b58\u50a8vb\u7684\u591a\u4efd\u4e0d\u540c\u7684\u6570\u636e<\/p>\n

                  \u8d34\u56fe\u683c\u5f0f\u80fd\u538b\u7f29\u5c31\u538b\u7f29<\/h3>\n

                  \u8d34\u56fe\u5185\u5b58\u8d8a\u5c0f\uff0cTile\u547d\u4e2d\u7387\u5c31\u8d8a\u9ad8\uff0c\u603b\u7684\u4f20\u8f93\u91cf\u4e5f\u5c11<\/p>\n

                  reference<\/h1>\n

                  \u9488\u5bf9\u79fb\u52a8\u7aefTBDR\u67b6\u6784GPU\u7279\u6027\u7684\u6e32\u67d3\u4f18\u5316<\/a><\/p>\n

                  \u79fb\u52a8\u8bbe\u5907GPU\u67b6\u6784\u77e5\u8bc6\u6c47\u603b<\/a><\/p>\n

                  \u6d45\u8c08\u79fb\u52a8\u7aefGPU\u67b6\u6784<\/a><\/p>\n

                  \u6df1\u5165GPU\u786c\u4ef6\u67b6\u6784\u53ca\u8fd0\u884c\u673a\u5236<\/a><\/p>\n

                  IMR, TBR, TBDR \u8fd8\u6709GPU\u67b6\u6784\u65b9\u9762\u7684\u4e00\u4e9b\u7406\u89e3<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

                  \u4ec0\u4e48\u662fGPU\uff1f “A graphics processing unit (GPU) is a specialized electr ̷","protected":false},"author":1,"featured_media":152,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"_links":{"self":[{"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/posts\/151"}],"collection":[{"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/chenglixue.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=151"}],"version-history":[{"count":3,"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/posts\/151\/revisions"}],"predecessor-version":[{"id":176,"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/posts\/151\/revisions\/176"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/media\/152"}],"wp:attachment":[{"href":"http:\/\/chenglixue.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/chenglixue.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=151"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/chenglixue.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}