{"id":7852,"date":"2021-12-08T10:37:53","date_gmt":"2021-12-08T02:37:53","guid":{"rendered":"http:\/\/www.szryc.com\/?p=7852"},"modified":"2021-12-08T10:37:53","modified_gmt":"2021-12-08T02:37:53","slug":"imagination%e5%ae%a3%e5%b8%83%e6%8e%a8%e5%87%ba%e5%9f%ba%e4%ba%8erisc-v%e7%9a%84cpu%e4%ba%a7%e5%93%81%e7%b3%bb%e5%88%97","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=7852","title":{"rendered":"Imagination\u5ba3\u5e03\u63a8\u51fa\u57fa\u4e8eRISC-V\u7684CPU\u4ea7\u54c1\u7cfb\u5217"},"content":{"rendered":"

\u3000\u3000Imagina<\/u>TI<\/u>on Catapult\u7cfb\u5217CPU<\/u>\u4ea7\u54c1\u91c7\u7528RISC<\/u>-V\u6307\u4ee4\u96c6\u67b6\u6784\uff08ISA\uff09\uff0c\u4e13\u4e3a\u5f02\u6784\u8ba1\u7b97\u89e3\u51b3\u65b9\u6848\u8bbe\u8ba1\u6253\u9020<\/p>\n

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\u3000\u3000RISC-V\u662f\u4e00\u79cd\u6b63\u5728\u6539\u53d8\u5904\u7406\u5668\u8bbe\u8ba1\u7684\u5f00\u6e90CPU\u67b6\u6784\uff0c\u800cImaginaTIon\u57fa\u4e8eRISC-V\u7684Catapult CPU\u53ef\u6839\u636e\u6027\u80fd\u3001\u6548\u7387\u6216\u4e24\u8005\u95f4\u5e73\u8861\u7b49\u5404\u79cd\u5e94\u7528\u573a\u666f\u8fdb\u884c\u914d\u7f6e\uff0c\u4f7f\u5176\u9002\u7528\u4e8e\u66f4\u5e7f\u6cdb\u7684\u5e02\u573a\u3002<\/p>\n

\"pYYBAGGu1AaADUXiAAF_qvxShe0527\"<\/p>\n

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\u3000\u3000Catapult CPU\u662f\u4e13\u4e3a5G<\/u>\u8c03\u5236\u89e3\u8c03\u5668\u3001\u5b58\u50a8\u3001\u5148\u8fdb\u9a7e\u9a76\u8f85\u52a9\u7cfb\u7edf\uff08AD<\/u>AS\uff09\/\u81ea\u52a8\u9a7e\u9a76<\/u>\u8f66\u8f86\u3001\u6570\u636e\u4e2d\u5fc3\u548c\u9ad8\u6027\u80fd\u8ba1\u7b97\u7b49\u5e94\u7528\u5e02\u573a\u800c\u6253\u9020\u3002\u8be5\u7cfb\u5217CPU\u5747\u91c7\u7528\u591a\u7ebf\u7a0b\u67b6\u6784\uff0c\u670932\u4f4d\u548c64\u4f4d\u4e24\u79cd\u7248\u672c\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u53ef\u9009\u9879\uff0c\u5ba2\u6237\u53ef\u4ee5\u6839\u636e\u6bcf\u79cd\u5e94\u7528\u7684\u9700\u6c42\u53bb\u8fdb\u884c\u914d\u7f6e\u3002\u5b83\u4eec\u53ef\u4ee5\u6269\u5c55\u5230\u6bcf\u4e2a\u96c6\u7fa4\u4e2d\u67098\u4e2a\u975e\u5bf9\u79f0\u76f8\u5e72\u5185\u6838\uff0c\u4ee5\u589e\u5f3aSoC\u7684\u591a\u529f\u80fd\u6027\uff0c\u5e76\u53ef\u9009\u62e9\u6dfb\u52a0\u81ea\u5b9a\u4e49\u52a0\u901f\u5668\u3002<\/p>\n

\u3000\u3000Imagination\u521b\u65b0\u4e3b\u7ba1Tim Mamtora\u8868\u793a\uff1a\u201c\u968f\u7740\u4e91\u7aef\u3001\u8fb9\u7f18\u548c\u8bbe\u5907\u4e2d\u5bf9\u8ba1\u7b97\u80fd\u529b\u7684\u9700\u6c42\u4e0d\u65ad\u589e\u957f\uff0c\u5728\u9762\u79ef\u548c\u529f\u8017\u4e25\u683c\u53d7\u9650\u7684\u60c5\u51b5\u4e0b\uff0c\u5927\u91cf\u6570\u636e\u7684\u5904\u7406\u9762\u4e34\u7740\u524d\u6240\u672a\u6709\u7684\u6311\u6218\u3002\u5728\u7528\u52a0\u901f\u5668\u6765\u5904\u7406\u65e5\u76ca\u591a\u6837\u5316\u7684\u5de5\u4f5c\u8d1f\u8f7d\u65f6\uff0c\u5f02\u6784\u8ba1\u7b97\u67b6\u6784\u662f\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u9ad8\u7075\u6d3b\u6027\u548c\u9ad8\u5f39\u6027\u8ba1\u7b97\u7684\u5173\u952e\u3002\u6211\u4eec\u5168\u65b0\u7684CPU\u5185\u6838\u4e3a\u5e02\u573a\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u57fa\u4e8eRISC-V\u7684\u3001\u51fa\u8272\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4f7f\u6211\u4eec\u80fd\u591f\u66f4\u597d\u5730\u6ee1\u8db3\u8fd9\u4e9b\u9700\u6c42\u3002\u6b64\u5916\uff0c\u8fd9\u4e9bCPU\u4e5f\u80fd\u591f\u589e\u5f3a\u6211\u4eec\u4e16\u754c\u4e00\u6d41\u7684GPU\u3001\u795e\u7ecf\u7f51\u7edc<\/u>\u52a0\u901f\u5668\u548c\u4ee5\u592a\u7f51<\/u>\u4ea7\u54c1\u7684\u529f\u80fd\u3002\u201d<\/p>\n

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\u3000\u3000\u7531\u4e8eCatapult CPU\u7cfb\u5217\u7684\u8bbe\u8ba1\u7b26\u5408RISC-V ISA\uff0c\u56e0\u6b64\u5b83\u4eec\u5c06\u5f97\u5230RISC-V\u751f\u6001\u7cfb\u7edf\u7684\u5168\u9762\u652f\u6301\uff0c\u5176\u4e2d\u7684\u8f6f\u4ef6\u548c\u5de5\u5177\u4e0d\u4ec5\u5df2\u7ecf\u975e\u5e38\u591a\u5143\u5316\u800c\u4e14\u8fd8\u5728\u4e0d\u65ad\u5730\u589e\u52a0\u3002<\/p>\n

\u3000\u3000\u4f5c\u4e3aImagination\u5f02\u6784\u8ba1\u7b97\u89e3\u51b3\u65b9\u6848\u7684\u4e00\u90e8\u5206\uff0cCatapult CPU\u4e3a\u4f7f\u7528Imagination IP\u7684SoC\u63d0\u4f9b\u4e86\u5168\u9762\u7684\u786c\u4ef6\u3001\u8f6f\u4ef6\u548c\u8c03\u8bd5\u652f\u6301\uff0c\u589e\u5f3a\u4e86\u5176\u884c\u4e1a\u9886\u5148\u7684GPU\u3001\u4eba\u5de5\u667a\u80fd\uff08AI<\/u>\uff09\u548cEPP\u5185\u6838\u7684\u529f\u80fd\u3002\u968f\u7740\u65e9\u671f\u6027\u80fd\u8bc4\u4ef7\u6a21\u578b\u7684\u51fa\u73b0\uff0cSoC\u5236\u9020\u5546\u80fd\u591f\u6839\u636e\u4ed6\u4eec\u7684\u5e94\u7528\u9700\u6c42\u6784\u5efa\u6a21\u578b\uff0c\u5e76\u9009\u62e9\u5408\u9002\u7684\u8ba1\u7b97\u5355\u5143\u3002\u6240\u6709\u8fd9\u4e9b\u505a\u6cd5\u90fd\u53ef\u652f\u6301\u751f\u4ea7\u5546\u53bb\u91ca\u653e\u7cfb\u7edf\u8d44\u6e90\uff0c\u5e76\u63d0\u9ad8\u5176\u8bbe\u8ba1\u7684\u6027\u80fd\u548c\u80fd\u6548\u3002<\/p>\n

\u3000\u3000Catapult\u7cfb\u5217\u4e2d\u7684\u6c7d\u8f66CPU\u6839\u636eISO 26262\u8f66\u89c4\u6807\u51c6\u5f00\u53d1\uff0c\u53ef\u4e3a\u5ba2\u6237\u53bb\u8fbe\u5230\u6bcf\u4e2a\u6c7d\u8f66\u5b89\u5168\u5b8c\u6574\u6027\u7b49\u7ea7\uff08Automotive Safety Integrity Level\uff0cASIL\uff09\u800c\u63d0\u4f9b\u4e00\u7cfb\u5217CPU\u89e3\u51b3\u65b9\u6848\u3002\u8fd9\u4e9b\u5168\u65b0\u7684CPU\u4e0d\u4ec5\u5e26\u6709\u529f\u80fd\u5b89\u5168\u6027\u548c\u5b89\u9632\u6027\u80fd\uff0c\u800c\u4e14\u5176\u8bbe\u8ba1\u4e5f\u7b26\u5408\u884c\u4e1a\u4e2d\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u5b89\u5168\u7406\u5ff5\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4f7fSoC\u5236\u9020\u5546\u80fd\u591f\u8fbe\u5230\u5176\u76ee\u6807\u5e02\u573a\u6240\u8981\u6c42\u7684\u6700\u9ad8\u7ea7\u522b\u7684\u5b89\u5168\u6027\u548c\u8ba4\u8bc1\u3002<\/p>\n

\u3000\u3000Imagination\u8ba1\u7b97\u4e1a\u52a1\u526f\u603b\u88c1Shreyas Derashri\u8bf4\u9053\uff1a\u201c\u5bf9\u4e8eRISC-V\u5e02\u573a\u6765\u8bf4\uff0cImagination\u7684Catapult CPU\u662f\u4e00\u79cd\u5168\u65b0\u7684\u3001\u4ee4\u4eba\u5174\u594b\u7684\u89e3\u51b3\u65b9\u6848\u3002\u8fd9\u4e9bCPU\u4ea7\u54c1\u4e0d\u4ec5\u51dd\u805a\u4e86\u6211\u4eec\u5728\u6253\u9020\u521b\u65b0\u6027\u534a\u5bfc\u4f53IP\u65b9\u9762\u7684\u6240\u6709\u7ecf\u9a8c\u548c\u4e13\u957f\uff0c\u4e5f\u8fdb\u4e00\u6b65\u5de9\u56fa\u4e86\u6211\u4eec\u4f5c\u4e3a\u503c\u5f97\u4fe1\u8d56\u7684\u5f02\u6784IP\u89e3\u51b3\u65b9\u6848\u4f9b\u5e94\u5546\u7684\u5730\u4f4d\u3002\u5f97\u76ca\u4e8eImagination\u62e5\u6709\u7684\u4e30\u5bcc\u7684CPU\u4e13\u5229\u7ec4\u5408\uff0cCatapult CPU\u63d0\u4f9b\u4e86\u5168\u9762\u7684\u77e5\u8bc6\u4ea7\u6743\u4fdd\u62a4\u3002\u8fd9\u4e9b\u5185\u6838\u53ef\u5e94\u7528\u4e8e\u4ece\u5d4c\u5165\u5f0f\u5230\u9ad8\u7aef\u5e94\u7528\u7b49\u8bf8\u591a\u5e02\u573a\u4e2d\uff0c\u5176\u8bbe\u8ba1\u65e8\u5728\u5b9e\u73b0\u5f3a\u5927\u7684\u6027\u80fd\u3002\u540c\u65f6\uff0c\u8fd9\u4e9bCPU\u53ef\u63d0\u4f9b\u4e0e\u6211\u4eec\u4eab\u6709\u76db\u540d\u7684\u4ea7\u54c1\u76f8\u540c\u7684\u8d28\u91cf\u3001\u53ef\u9760\u6027\u548c\u80fd\u6548\u3002\u201d<\/p>\n

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\u3000\u3000\u6797\u5229\u96c6\u56e2\uff08Linley Group\uff09\u9ad8\u7ea7\u5206\u6790\u5e08Mi<\/u>ke Demler\u8868\u793a\uff1a\u201c\u968f\u7740RISC-V\u5e02\u573a\u7684\u4e0d\u65ad\u6210\u719f\uff0c\u6211\u4eec\u65e9\u5c31\u9884\u8ba1\u5230Imagination\u5c06\u91c7\u7528\u8fd9\u79cd\u5e7f\u53d7\u6b22\u8fce\u7684ISA\u6765\u91cd\u65b0\u8fdb\u5165CPU\u5e02\u573a\u3002Imagination\u901a\u8fc7\u5229\u7528\u5176\u4e0e\u5176\u4ed6CPU\u67b6\u6784\u5408\u4f5c\u7684\u4e30\u5bcc\u7ecf\u9a8c\uff0c\u6765\u4f18\u5316\u8fd9\u4e9b\u5168\u65b0\u7684Catapult\u5185\u6838\u4e0e\u5176\u7684GPU\u548c\u4eba\u5de5\u667a\u80fd\u52a0\u901f\u5668\u7684\u7ed3\u5408\uff0c\u4ece\u800c\u4f7f\u5176\u4ea7\u54c1\u5b9e\u73b0\u4e86\u4e0e\u5176\u4ed6RISC-V IP\u4f9b\u5e94\u5546\u7684\u4ea7\u54c1\u4e4b\u95f4\u7684\u5dee\u5f02\u5316\u3002\u51ed\u501f\u7740\u8986\u76d6\u4ece\u5fae\u63a7\u5236\u5668\u5185\u6838\u5230\u5e94\u7528\u5904\u7406\u5668CPU\u7684\u5b8c\u6574\u4ea7\u54c1\u7cfb\u5217\uff0cImagination\u5728CPU\u9886\u57df\u6210\u4e3a\u4e86\u503c\u5f97\u5173\u6ce8\u7684\u3001\u5177\u6709\u7ade\u4e89\u529b\u7684\u5382\u5546\u3002\u201d<\/p>\n

\u3000\u3000Catapult SDK\u548cCatapult Studio<\/strong><\/p>\n

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\u3000\u3000Catapult CPU\u5177\u6709\u4ee5\u4e0b\u4e3b\u8981\u529f\u80fd\uff1a<\/strong><\/p>\n

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\u3000\u3000\u00b7\u4f5c\u4e3aImagination\u5b8c\u6574\u7684\u5f02\u6784\u8ba1\u7b97\u89e3\u51b3\u65b9\u6848\u7684\u4e00\u90e8\u5206\uff0c\u4e0e\u5176\u884c\u4e1a\u9886\u5148\u7684GPU\u3001\u4eba\u5de5\u667a\u80fd\u795e\u7ecf\u7f51\u7edc\u52a0\u901f\u5668\uff08AI NNA\uff09\u548c\u4ee5\u592a\u7f51\u6570\u636e\u5305\u5904\u7406\u5668\uff08EPP\uff09\u5185\u6838\u4e00\u6837\u91cd\u8981<\/p>\n

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