{"id":129883,"date":"2018-12-15T12:37:56","date_gmt":"2018-12-15T04:37:56","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=129883"},"modified":"2018-12-04T15:41:50","modified_gmt":"2018-12-04T07:41:50","slug":"cpu-performance-weakness","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/cpu-performance-weakness.html","title":{"rendered":"CPU\u6027\u80fd\u8fc7\u5269\u63d0\u5347\u4e4f\u529b\u5f71\u54cd\u672a\u6765\u884c\u4e1a\u53d1\u5c55\u5417\uff1f"},"content":{"rendered":"\n\n\n
\u5bfc\u8bfb<\/td>\n\u867d\u7136CPU\u4ecd\u7136\u5728\u4e0d\u65ad\u53d1\u5c55\uff0c\u4f46\u662f\u5b83\u7684\u6027\u80fd\u5df2\u7ecf\u4e0d\u518d\u4ec5\u4ec5\u53d7\u9650\u4e8e\u5355\u4e2a\u5904\u7406\u5668\u7c7b\u578b\u6216\u5236\u9020\u5de5\u827a\u4e0a\u4e86\u3002\u548c\u8fc7\u53bb\u76f8\u6bd4\uff0cCPU\u6027\u80fd\u63d0\u5347\u7684\u6b65\u4f10\u660e\u663e\u653e\u7f13\u4e86\uff0c\u63a5\u4e0b\u6765\u600e\u4e48\u529e\uff0c\u6210\u4e3a\u6a2a\u4e98\u5728\u6574\u4e2a\u884c\u4e1a\u9762\u524d\u7684\u5927\u95ee\u9898\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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\"\"<\/p>\n

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<\/div>\n

\u5de5\u827a\u7684\u5347\u7ea7\u8d8a\u6765\u8d8a\u96be\u4e86\u3002Flex Logix\u9996\u5e2d\u6267\u884c\u5b98Geoff Tate\u8868\u793a\uff0c\u201c\u5904\u7406\u5668\u5df2\u7ecf\u4e0d\u518d\u662f\u6267\u884c\u8ba1\u7b97\u4efb\u52a1\u7684\u552f\u4e00\u89e3\u51b3\u65b9\u6848\u4e86\u3002\u770b\u770b\u6570\u636e\u4e2d\u5fc3\u5427\uff0c\u4e4b\u524d\uff0c\u8fd9\u91cc\u9762\u552f\u4e00\u7684\u5904\u7406\u5668\u4ef6\u53ea\u6709x86\uff0c\u4f46\u662f\u73b0\u5728\uff0c\u5404\u79cd\u914d\u7f6e\u7684FPGA\u548cGPU\u5904\u7406\u5668\u7684\u8eab\u5f71\u51e0\u4e4e\u65e0\u5904\u4e0d\u5728\u3002\u201d<\/p>\n

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\u8fd9\u5f53\u7136\u4e0d\u610f\u5473\u7740CPU\u4f1a\u6d88\u4ea1\u6216\u8005\u505c\u6b62\u6f14\u8fdb\uff0c\u53ea\u4e0d\u8fc7CPU\u67b6\u6784\u5e08\u7684\u5de5\u4f5c\u53d8\u5f97\u66f4\u52a0\u56f0\u96be\u4e86\u3002\u201c\u901a\u7528CPU\u67b6\u6784\u548c\u5fae\u67b6\u6784\u4f9d\u7136\u4f1a\u7ee7\u7eed\u53d1\u5c55\uff0c\u800c\u4e14\u8db3\u4ee5\u9ad8\u6548\u5730\u80dc\u4efb\u5927\u591a\u6570\u4efb\u52a1\uff0c\u5e76\u5c06\u8bbe\u8ba1\u3001\u751f\u6001\u5efa\u8bbe\u548c\u590d\u6742\u6027\u7ef4\u6301\u5728\u53ef\u6301\u7eed\u7684\u6c34\u5e73\u4e0a\u3002\u201dArm\u5d4c\u5165\u5f0f\u548c\u6c7d\u8f66\u4e1a\u52a1\u7ebf\u6218\u7565\u526f\u603b\u88c1Tim Whitfield\u8868\u793a\u3002<\/p>\n

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\u201c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4eba\u4eec\u5e94\u8be5\u628a\u6ce8\u610f\u529b\u4ece\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e0a\u8fdb\u884c\u4fee\u8865\u8f6c\u79fb\u5230\u65b0\u578b\u786c\u4ef6\u4e0a\uff0c\u53ea\u6709\u9002\u5f53\u7684\u786c\u4ef6\u624d\u80fd\u5b9e\u73b0\u771f\u6b63\u7684\u8282\u80fd\u3002\u201dMenta\u4e1a\u52a1\u5f00\u53d1\u603b\u7ecf\u7406\u517c\u526f\u603b\u88c1Yoan Dupret\u8bf4\u3002\u201c\u8fd9\u5c06\u6700\u7ec8\u50ac\u751f\u5177\u6709\u9ad8\u5ea6\u7075\u6d3b\u6027\u7684\u5f02\u6784\u82af\u7247\u3002Tsugio Makimoto\u535a\u58eb\u4e4b\u524d\u5c31\u66fe\u7ecf\u9884\u6d4b\u8fc7\uff0c\u4eca\u5929\u6211\u4eec\u6b63\u5728\u8fdb\u5165\u201c\u9ad8\u5ea6\u7075\u6d3b\u7684\u8d85\u7ea7\u6574\u5408\u201d\u65f6\u4ee3\u3002\u201d<\/p>\n

CPU\u7684\u6539\u8fdb<\/strong><\/div>\n

\u5bf9\u4e8e\u90a3\u4e9b\u8ba4\u4e3aCPU\u5df2\u7ecf\u8d70\u5165\u6b7b\u80e1\u540c\u7684\u8bf4\u6cd5\uff0c\u6211\u60f3\u5f15\u7528\u9a6c\u514b\u5410\u6e29\u5148\u751f\u7684\u8bdd\u56de\u603c\u4e00\u4e0b\uff1a\u201c\u8bf4\u6211\u5df2\u7ecf\u6b7b\u4e86\u7684\u62a5\u9053\u592a\u5938\u5f20\u4e86\u3002\u201d<\/p>\n

CPU\u8fd8\u6709\u82e5\u5e72\u8fdb\u4e00\u6b65\u6539\u8fdb\u7684\u8def\u5f84\u3002\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u9488\u5bf9\u7279\u5b9a\u529f\u80fd\u6dfb\u52a0\u5b9a\u5236\u6307\u4ee4\uff0c\u4e0d\u8fc7\u8fd9\u4e5f\u6709\u4e00\u5b9a\u7684\u98ce\u9669\u3002\u201c\u5982\u679c\u5668\u4ef6\u53ef\u7f16\u7a0b\uff0c\u589e\u52a0\u4e86\u6307\u4ee4\u5c31\u610f\u5473\u7740\u589e\u52a0\u4e86\u786c\u4ef6\u7684\u590d\u6742\u6027\uff0c\u201dGreenWaves Technologies\u4e1a\u52a1\u5f00\u53d1\u526f\u603b\u88c1Martin Croome\u8b66\u544a\u8bf4\u3002\u201c\u65b0\u7684\u6307\u4ee4\u5355\u5143\u91cc\u7684\u6bcf\u4e00\u4e2a\u6676\u4f53\u7ba1\u90fd\u6709\u9759\u6001\u6cc4\u9732\uff0c\u5982\u679c\u5668\u4ef6\u6709\u4f4e\u529f\u8017\u6307\u6807\uff0c\u60c5\u51b5\u5c31\u7cdf\u7cd5\u4e86\uff0c\u65b0\u6307\u4ee4\u5355\u5143\u4e0d\u4ec5\u589e\u52a0\u6210\u672c\uff0c\u4e5f\u63d0\u9ad8\u4e86\u529f\u8017\u3002\u4f60\u5fc5\u987b\u5c0f\u5fc3\uff0c\u770b\u770b\u589e\u52a0\u65b0\u6307\u4ee4\u662f\u5426\u5229\u5927\u4e8e\u5f0a\u3002\u201d<\/p>\n

\u5728CPU\u7684\u53d1\u5c55\u5386\u53f2\u4e2d\uff0c\u65b0\u7684\u6307\u4ee4\u5355\u5143\u4e0d\u65ad\u88ab\u589e\u52a0\u8fdb\u6765\u3002\u201c\u968f\u7740\u5236\u9020\u5de5\u827a\u7684\u53d1\u5c55\uff0c\u5904\u7406\u5668\u8bbe\u8ba1\u4eba\u5458\u53ef\u4ee5\u4f7f\u7528\u7684\u6676\u4f53\u7ba1\u8d8a\u6765\u8d8a\u591a\uff0c\u4e8e\u662f\u4ed6\u4eec\u589e\u52a0\u4e86\u8d8a\u6765\u8d8a\u591a\u7684\u529f\u80fd\uff0c\u4ee5\u52a0\u901f\u8fd0\u884c\u5728\u5176\u4e0a\u7684\u5355\u7ebf\u7a0b\u7a0b\u5e8f\u3002\u201dMentor\u7684Klein\u8bf4\u9053\u3002\u201c\u4ed6\u4eec\u6dfb\u52a0\u4e86\u5404\u79cd\u6307\u4ee4\u5355\u5143\uff0c\u6bd4\u5982\u9884\u6d4b\u6267\u884c\u3001\u5206\u652f\u9884\u6d4b\u3001\u5bc4\u5b58\u5668\u522b\u540d\u7b49\u7b49\uff0c\u4f46\u662f\uff0c\u6dfb\u52a0\u65b0\u6307\u4ee4\u5355\u5143\u7684\u5f97\u5931\u5bf9\u6bd4\u4f7f\u5f97\u8fd9\u6761\u8def\u5b50\u8d8a\u8d70\u8d8a\u7a84\u4e86\u3002\u201d<\/p>\n

\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u80fd\u529b\u6574\u5408\u53ef\u4ee5\u5e26\u6765\u4e00\u5b9a\u7684\u597d\u5904\u3002\u201c\u5728\u5904\u7406\u5668\u4ef6\u7684\u53d1\u5c55\u5386\u53f2\u4e2d\uff0c\u6211\u4eec\u591a\u6b21\u770b\u5230\u901a\u7528CPU\u96c6\u6210\u5404\u79cd\u52a0\u901f\u5668\u7684\u60c5\u5f62\u3002\u201dArm\u7684Whitfield\u89e3\u91ca\u9053\uff0c\u201c\u901a\u5e38\uff0c\u6211\u4eec\u4f1a\u5bf9\u67b6\u6784\u548c\u5fae\u4f53\u7cfb\u67b6\u6784\u8fdb\u884c\u8c03\u6574\uff0c\u5c06\u52a0\u901f\u5ea6\u96c6\u6210\u5230\u901a\u7528CPU\u4e2d\uff0c\u8fd9\u65b9\u9762\u7684\u4f8b\u5b50\u5305\u62ec\u6d6e\u70b9\u548c\u52a0\u5bc6\u52a0\u901f\u5668\u3002\u201d<\/p>\n

\u8fd8\u6709\u4e00\u6761\u8def\u5f84\uff1a\u505a\u51cf\u6cd5\u3002\u201c\u6211\u4eec\u8ba4\u4e3aRISC-V\u8fd9\u79cd\u65b0\u7684\u65b9\u6848\u66f4\u597d\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u514b\u670d\u6469\u5c14\u5b9a\u5f8b\u7684\u653e\u7f13\uff0c\u201d\u7f8e\u9ad8\u68ee\u7f8e\u7684Ruparelia\u8bf4\u3002\u201c\u4e00\u79cd\u5168\u65b0\u7684\u3001\u4f18\u5316\u7684\u67b6\u6784\u7ed9\u6211\u4eec\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u65b9\u6cd5\uff0c\u4ee5\u514b\u670d\u6469\u5c14\u5b9a\u5f8b\u653e\u7f13\u5e26\u6765\u7684\u6311\u6218\u3002\u5982\u679c\u7845\u7247\u5de5\u827a\u7684\u8fdb\u5316\u505c\u6b62\u4e86\uff0c\u5c31\u50cf\u53d1\u6761\u88ab\u62e7\u5230\u4e86\u6700\u7d27\u4e00\u6837\uff0c\u4f60\u5fc5\u987b\u4f18\u5316\u6240\u6709\u7684\u5c42\u9762-CPU\u3001\u7279\u5b9a\u57df\u7684\u67b6\u6784\u3001\u5de5\u5177\u94fe\uff0c\u751a\u81f3\u7f16\u8bd1\u5668\u4e5f\u8981\u9488\u5bf9\u7279\u5b9a\u5e94\u7528\u8fdb\u884c\u4f18\u5316\u3002\u201d<\/p>\n

\u5fc5\u987b\u6839\u636e\u6700\u7ec8\u4ea7\u54c1\u7684\u76ee\u6807\u8bbe\u8ba1\u5408\u9002\u7684\u5904\u7406\u5668\u3002\u201c\u901a\u8fc7\u6bd4\u8f83\u4e0d\u540c\u5904\u7406\u5668\u7684\u80fd\u6548\uff0c\u7b97\u6cd5\u53ef\u4ee5\u5728\u6d88\u8017\u6700\u5c11\u80fd\u91cf\u7684\u60c5\u51b5\u4e0b\u5728\u76f8\u5bf9\u7b80\u5355\u7684\u5904\u7406\u5668\u4e0a\u6267\u884c\uff0c\u201dKlein\u8865\u5145\u8bf4\u3002\u201c\u66f4\u5927\u7684\u5904\u7406\u5668\u53ef\u4ee5\u66f4\u5feb\u5730\u5b8c\u6210\u5de5\u4f5c\uff0c\u4f46\u662f\u5b83\u4eec\u7684\u80fd\u6548\u4f4e\u5f97\u591a\u3002\u6b64\u5916\uff0c\u5728\u51e0\u4e2a\u5c0f\u578b\u5904\u7406\u5668\u4e2d\u5e76\u884c\u8fd0\u884c\u67d0\u4e2a\u7b97\u6cd5\uff0c\u5176\u80fd\u6548\u6bd4\u5728\u4e00\u4e2a\u5927\u578b\u5904\u7406\u5668\u4e0a\u8fd0\u884c\u8fd9\u4e2a\u7b97\u6cd5\u9ad8\u5f97\u591a\u3002\u968f\u7740\u66f4\u591a\u7b80\u5355\u5185\u6838\u7684\u5f15\u5165\uff0c\u7535\u538b\u548c\u65f6\u949f\u9891\u7387\u53ef\u4ee5\u8fdb\u4e00\u6b65\u964d\u4f4e\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u80fd\u6548\u3002\u201d<\/p>\n

\u4f18\u5316\u8ba1\u7b97\u5f15\u64ce<\/strong><\/div>\n

\u9488\u5bf9\u7279\u5b9a\u4efb\u52a1\u6253\u9020\u5185\u6838\u662f\u4e00\u9879\u6210\u529f\u7684\u7b56\u7565\u3002\u201c\u53ef\u7f16\u7a0bDSP\u662f\u5206\u62c5CPU\u5bc6\u96c6\u8ba1\u7b97\u5e94\u7528\u7684\u7406\u60f3\u9009\u62e9\uff0c\u201dCadence\u7684Tensilica IP\u4ea7\u54c1\u7ba1\u7406\u3001\u8425\u9500\u548c\u4e1a\u52a1\u5f00\u53d1\u9ad8\u7ea7\u4e3b\u7ba1Lazaar Louis\u8bf4\u3002\u201cDSP\u7075\u6d3b\u3001\u53ef\u7f16\u7a0b\uff0c\u800c\u4e14\u652f\u6301Open VX\u548cOpen CL\u7b49\u5f00\u653e\u5f0f\u3001\u8de8\u5e73\u53f0\u7684\u52a0\u901f\u6807\u51c6\uff0c\u53ef\u8f7b\u677e\u5c06\u5e94\u7528\u7a0b\u5e8f\u79fb\u690d\u5230DSP\u3002\u5bf9\u4e8e\u67d0\u4e9b\u5e38\u89c1\u5e94\u7528\uff0cDSP\u8fd8\u53ef\u4ee5\u4e0e\u4e13\u7528\u786c\u4ef6\u52a0\u901f\u5668\u914d\u5408\u4f7f\u7528\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u53d1\u6325\u52a0\u901f\u5668\u7684\u66f4\u9ad8\u529f\u6548\uff0c\u8fd8\u53ef\u4ee5\u7ed3\u5408DSP\u7684\u53ef\u7f16\u7a0b\u80fd\u529b\uff0c\u4ece\u800c\u6ee1\u8db3\u5e94\u7528\u5728\u4ea7\u54c1\u751f\u547d\u5468\u671f\u4e2d\u4e0d\u65ad\u53d8\u5316\u7684\u9700\u6c42\u3002\u201d<\/p>\n

\u8bb8\u591a\u67b6\u6784\u90fd\u56e0\u4e3a\u6ca1\u6709\u63d0\u4f9b\u5f3a\u5927\u7684\u8f6f\u4ef6\u5f00\u53d1\u73af\u5883\u800c\u5931\u8d25\u4e86\u3002\u201cGPU\u662f\u4e00\u4e2a\u901a\u8fc7\u6253\u9020\u6210\u672c\u53ef\u6301\u7eed\u7684\u72ec\u7acb\u5f00\u53d1\u73af\u5883\u548c\u8f6f\u4ef6\u751f\u6001\u7cfb\u7edf\u800c\u5927\u83b7\u6210\u529f\u7684\u5178\u578b\u4f8b\u5b50\u3002\u201dWhitfield\u8bf4\u3002\u201c\u6709\u7684\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u770b\u8d77\u6765\u9700\u8981\u4e00\u4e9b\u4e13\u4e1a\u7684\u52a0\u901f\u5668\uff0c\u5b83\u4eec\u5c06\u4f5c\u4e3a\u4e00\u79cd\u7c97\u7c92\u5ea6\u7684\u52a0\u901f\u5f15\u64ce\u548c\u901a\u7528CPU\u4e00\u8d77\u4f7f\u7528\u3002\u201d<\/p>\n

GPU\u7684\u6210\u529f\u4e4b\u8def\u975e\u5e38\u6709\u610f\u601d\u3002\u201cGPU\u662f\u4e00\u79cd\u9488\u5bf9\u7279\u5b9a\u57df\u7684\u67b6\u6784\uff0c\u521a\u5f00\u59cb\u4e3b\u8981\u9762\u5411\u6e38\u620f\uff0c\u73b0\u5728\u53c8\u88ab\u7528\u5230\u533a\u5757\u94fe\u548c\u795e\u7ecf\u7f51\u7edc\u4e0a\uff0c\u201dRuparelia\u6307\u51fa\u3002\u201cGPU\u6709\u4e00\u4e9b\u4f20\u7edfCPU\u4e0a\u5f88\u96be\u5b9e\u73b0\u7684\u529f\u80fd\uff0c\u9488\u5bf9\u7279\u5b9a\u57df\u4f18\u5316\u7684\u4f53\u7cfb\u7ed3\u6784\u80fd\u591f\u5b9e\u73b0\u66f4\u9ad8\u7684\u5355\u5143\u8ba1\u7b97\u6027\u80fd\u548c\u8f6f\u4ef6\u751f\u4ea7\u529b\u3002\u795e\u7ecf\u7f51\u7edc\u662f\u4e00\u4e2a\u5178\u578b\u7684\u4f8b\u5b50\uff0c\u548c\u4e00\u4e2a\u4e13\u95e8\u9488\u5bf9\u5b83\u8bbe\u8ba1\u7684\u53ef\u7f16\u7a0b\u5e73\u53f0\u76f8\u6bd4\uff0c\u5982\u679c\u4f60\u5728CPU\u4e0a\u8fd0\u884c\u5b83\uff0c\u5c06\u82b1\u8d3910\u500d\u4e4b\u591a\u7684\u8fd0\u884c\u65f6\u95f4\u548c\u529f\u8017\u3002\u201d<\/p>\n

\u4f46\u662fGPU\u5e76\u6ca1\u6709\u9488\u5bf9\u795e\u7ecf\u7f51\u7edc\u8fdb\u884c\u4e13\u95e8\u4f18\u5316\u3002\u201c\u5728\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u4e2d\uff0c80%\u7684\u65f6\u95f4\u90fd\u6d88\u8017\u5728\u5377\u79ef\u8fd0\u7b97\u4e0a\uff0c\u201dGreenWaves\u7684Croome\u8bf4\u3002 \u201c\u5377\u79ef\u6709\u5404\u79cd\u5f62\u5f0f\uff0c\u8fd0\u7b97\u91cf\u4e5f\u5404\u6709\u5927\u5c0f\u3002\u6d89\u53ca\u5230\u7684\u6982\u5ff5\u6709\u586b\u5145\u3001\u81a8\u80c0\u3001\u6b65\u5e45\u4ee5\u53ca\u6ee4\u6ce2\u5668\u7684\u5927\u5c0f\u7b49\u3002\u5377\u79ef\u6709\u8bb8\u591a\u53c2\u6570\uff0c\u5982\u679c\u4f60\u8bd5\u56fe\u6784\u5efa\u4e00\u4e2a\u53ef\u4ee5\u5728\u786c\u4ef6\u4e2d\u5b8c\u6210\u6240\u6709\u5377\u79ef\u8fd0\u7b97\u7684\u7cfb\u7edf\uff0c\u8fd9\u4e2a\u7cfb\u7edf\u5c06\u4f7f\u7528\u5927\u91cf\u5f53\u524d\u5df2\u77e5\u7684\u786c\u4ef6\u3002\u4f60\u5fc5\u987b\u4f7f\u7528\u6700\u5e38\u89c1\u7684\u5377\u79ef\u53c2\u6570\uff0c\u5e76\u6784\u5efa\u4e00\u4e9b\u80fd\u591f\u4fdd\u6301\u8db3\u591f\u7075\u6d3b\u6027\u7684\u4e1c\u897f\u3002\u201d<\/p>\n

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