{"id":91345,"date":"2024-04-14T08:29:54","date_gmt":"2024-04-14T00:29:54","guid":{"rendered":"\/\/www.dealsbon.com\/?p=91345"},"modified":"2024-04-14T08:30:10","modified_gmt":"2024-04-14T00:30:10","slug":"szplssmys-2","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/91345.html","title":{"rendered":"\u65f6\u949f\u9891\u7387\u662f\u4ec0\u4e48\u610f\u601d\uff1f"},"content":{"rendered":"\n<p>\u3000\u3000<strong>\u65f6\u949f\u9891\u7387<\/strong>\u662f\u6307\u8ba1\u7b97\u673a\u5904\u7406\u5668\u5185\u90e8\u65f6\u949f\u6bcf\u79d2\u949f\u632f\u8361\u7684\u6b21\u6570\uff0c\u8fd9\u4e2a\u6982\u5ff5\u5728\u540c\u6b65\u7535\u8def\u4e2d\u5c24\u4e3a\u91cd\u8981\u3002\u5b83\u4ee5\u8d6b\u5179(Hz)\u4e3a\u5355\u4f4d\u8868\u793a\uff0c\u4e5f\u53ef\u4ee5\u7528\u5343\u8d6b\u5179(KHz)\u3001\u5146\u8d6b\u5179(MHz)\u6216\u8005\u5409\u8d6b\u5179(GHz)\u6765\u8868\u793a\u3002\u65f6\u949f\u9891\u7387\u51b3\u5b9a\u4e86\u8ba1\u7b97\u673a\u7684\u8fd0\u884c\u901f\u5ea6\uff0c\u5373\u6bcf\u79d2\u949f\u5904\u7406\u7684\u6307\u4ee4\u6570\u3002\u8f83\u9ad8\u7684\u65f6\u949f\u9891\u7387\u610f\u5473\u7740\u8ba1\u7b97\u673a\u80fd\u591f\u66f4\u5feb\u5730\u6267\u884c\u4efb\u52a1\u3002\u65f6\u949f\u9891\u7387\u4e5f\u88ab\u79f0\u4e3aCPU\u7684\u8fd0\u884c\u9891\u7387\uff0c\u5176\u6570\u503c\u8d8a\u5927\uff0c\u4ee3\u8868CPU\u6267\u884c\u6307\u4ee4\u7684\u901f\u5ea6\u8d8a\u5feb\u3002\u6b64\u5916\uff0c\u65f6\u949f\u9891\u7387\u4e0e\u5468\u671f\u4e92\u4e3a\u5012\u6570\u5173\u7cfb\uff0c\u5373f=1\/T\uff0c\u8fd9\u8868\u660e\u9891\u7387\u8868\u793a\u65f6\u949f\u57281\u79d2\u949f\u5185\u91cd\u590d\u7684\u6b21\u6570\u3002\u56e0\u6b64\uff0c\u65f6\u949f\u9891\u7387\u662f\u8bc4\u5b9aCPU\u6027\u80fd\u7684\u91cd\u8981\u6307\u6807\u4e4b\u4e00\u3002<\/p>\n\n\n\n<h2 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class=\"wp-block-list\">\n<li>\u3000\u3000\u6267\u884c\u6307\u4ee4\u7684\u901f\u5ea6\uff1a\u65f6\u949f\u9891\u7387\u51b3\u5b9a\u4e86CPU\u5185\u90e8\u65f6\u949f\u7684\u9891\u7387\uff0c\u4ece\u800c\u5f71\u54cd\u5904\u7406\u5668\u80fd\u591f\u6267\u884c\u6307\u4ee4\u7684\u901f\u5ea6\u3002\u65f6\u949f\u9891\u7387\u8d8a\u9ad8\uff0c\u610f\u5473\u7740\u5904\u7406\u5668\u6bcf\u79d2\u949f\u80fd\u591f\u6267\u884c\u66f4\u591a\u7684\u6307\u4ee4\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u8ba1\u7b97\u673a\u7684\u8fd0\u884c\u901f\u5ea6\u548c\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5904\u7406\u80fd\u529b\uff1a\u8f83\u9ad8\u7684\u65f6\u949f\u9891\u7387\u901a\u5e38\u610f\u5473\u7740CPU\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u53ef\u4ee5\u5904\u7406\u66f4\u591a\u7684\u6570\u636e\uff0c\u8fd9\u76f4\u63a5\u63d0\u9ad8\u4e86CPU\u7684\u6027\u80fd\u3002\u8fd9\u662f\u56e0\u4e3a\u65f6\u949f\u9891\u7387\u8d8a\u9ad8\uff0cCPU\u7684\u5de5\u4f5c\u901f\u5ea6\u8d8a\u5feb\uff0c\u80fd\u591f\u66f4\u5feb\u5730\u5b8c\u6210\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u80fd\u8017\u548c\u53d1\u70ed\u91cf\uff1a\u63d0\u9ad8\u65f6\u949f\u9891\u7387\u867d\u7136\u53ef\u4ee5\u63d0\u5347\u6027\u80fd\uff0c\u4f46\u540c\u65f6\u4e5f\u4f1a\u589e\u52a0CPU\u7684\u80fd\u8017\u548c\u53d1\u70ed\u91cf\u3002\u8fd9\u9700\u8981\u66f4\u52a0\u590d\u6742\u7684\u6563\u70ed\u89e3\u51b3\u65b9\u6848\u6765\u5e94\u5bf9\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u4e0d\u7a33\u5b9a\u3001\u5d29\u6e83\u6216\u635f\u574f\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4fe1\u53f7\u5e72\u6270\uff1a\u9ad8\u9891\u7387\u8fd0\u884c\u8fd8\u53ef\u80fd\u5bfc\u81f4\u4fe1\u53f7\u5e72\u6270\u95ee\u9898\uff0c\u8fd9\u5bf9\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u6784\u6210\u6311\u6218\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5176\u4ed6\u6027\u80fd\u6307\u6807\u7684\u5f71\u54cd\uff1a\u867d\u7136\u65f6\u949f\u9891\u7387\u662f\u5f71\u54cd\u8ba1\u7b97\u673a\u6027\u80fd\u7684\u91cd\u8981\u56e0\u7d20\u4e4b\u4e00\uff0c\u4f46\u5b83\u5e76\u4e0d\u662f\u552f\u4e00\u7684\u6027\u80fd\u6307\u6807\u3002\u5176\u4ed6\u56e0\u7d20\u5982\u7f13\u5b58\u5927\u5c0f\u3001\u6307\u4ee4\u96c6\u67b6\u6784\u7b49\u4e5f\u4f1a\u5bf9\u6027\u80fd\u4ea7\u751f\u5f71\u54cd\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9664\u4e86\u8c03\u6574\u65f6\u949f\u9891\u7387\u5916\uff0c\u8fd8\u9700\u8981\u8003\u8651\u8fd9\u4e9b\u5176\u4ed6\u56e0\u7d20\u4ee5\u4f18\u5316\u8ba1\u7b97\u673a\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5cf0\u503c\u6027\u80fd\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6700\u5927\u777f\u9891(\u5373\u5904\u7406\u5668\u5728\u8d85\u9891\u524d\u7684\u5cf0\u503c\u6027\u80fd)\u4e5f\u662f\u8861\u91cfCPU\u6027\u80fd\u7684\u4e00\u4e2a\u91cd\u8981\u6307\u6807\u3002\u5b83\u53cd\u6620\u4e86\u5904\u7406\u5668\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u7684\u6700\u9ad8\u6027\u80fd\u6c34\u5e73\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u65f6\u949f\u9891\u7387\u5bf9\u8ba1\u7b97\u673a\u6027\u80fd\u7684\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u63d0\u9ad8\u6267\u884c\u6307\u4ee4\u7684\u901f\u5ea6\u548c\u5904\u7406\u80fd\u529b\u4e0a\uff0c\u4f46\u540c\u65f6\u4e5f\u4f34\u968f\u7740\u80fd\u8017\u589e\u52a0\u3001\u53d1\u70ed\u91cf\u4e0a\u5347\u4ee5\u53ca\u53ef\u80fd\u7684\u4fe1\u53f7\u5e72\u6270\u95ee\u9898\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u8003\u8651\u5230\u5176\u4ed6\u6027\u80fd\u6307\u6807\u7684\u5f71\u54cd\uff0c\u4ee5\u53ca\u5982\u4f55\u5e73\u8861\u8fd9\u4e9b\u56e0\u7d20\u4ee5\u8fbe\u5230\u6700\u4f73\u7684\u8ba1\u7b97\u673a\u6027\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u6d4b\u91cf\u548c\u8ba1\u7b97\u5904\u7406\u5668\u7684\u65f6\u949f\u9891\u7387?<\/h2>\n\n\n\n<p>\u3000\u3000\u6d4b\u91cf\u548c\u8ba1\u7b97\u5904\u7406\u5668\u7684\u65f6\u949f\u9891\u7387\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff0c\u5177\u4f53\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5904\u7406\u5668\u7684\u7c7b\u578b\u3001\u6240\u4f7f\u7528\u7684\u5de5\u5177\u4ee5\u53ca\u6240\u9700\u7684\u7cbe\u5ea6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u5229\u7528ARM PMU\u7684Cycle Counter\uff1a\u5bf9\u4e8eARM\u5904\u7406\u5668\uff0c\u53ef\u4ee5\u4f7f\u7528\u6027\u80fd\u76d1\u63a7\u5355\u5143(PMU)\u4e2d\u7684Cycle Counter\u6765\u8ba1\u7b97CPU\u7684\u65f6\u949f\u5468\u671f\uff0c\u8fdb\u800c\u8ba1\u7b97\u51faCPU\u7684\u65f6\u949f\u9891\u7387\u3002\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u4e86\u89e3\u65f6\u949f\u5468\u671f\u3001\u673a\u5668\u5468\u671f\u4ee5\u53ca\u6307\u4ee4\u5468\u671f\u7684\u6982\u5ff5\uff0c\u5e76\u4e14\u9700\u8981\u6ce8\u610fPMU\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u53ef\u80fd\u5b58\u5728\u4e00\u5b9a\u7684\u6d4b\u91cf\u8bef\u5dee\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u7406\u89e3CPU\u65f6\u949f\u5468\u671f\u4e0e\u4e3b\u9891\u7684\u5173\u7cfb\uff1aCPU\u7684\u65f6\u949f\u5468\u671f\u662fCPU\u5185\u90e8\u8fd0\u884c\u7684\u4e00\u4e2a\u57fa\u672c\u64cd\u4f5c\u65f6\u95f4\u5355\u4f4d\uff0c\u5b83\u51b3\u5b9a\u4e86CPU\u80fd\u591f\u5904\u7406\u7684\u6700\u9ad8\u901f\u5ea6\u3002CPU\u65f6\u949f\u5468\u671f\u53ef\u4ee5\u901a\u8fc7\u516c\u5f0fCPU\u65f6\u949f\u5468\u671f=1\/\u4e3b\u9891\u6765\u8ba1\u7b97\uff0c\u5176\u4e2d\u4e3b\u9891\u901a\u5e38\u4ee5GHz\u4e3a\u5355\u4f4d\u8868\u793a\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4f7f\u7528TSC\u5bc4\u5b58\u5668\uff1a\u5728\u67d0\u4e9b\u5904\u7406\u5668\u4e2d\uff0c\u5982Intel\u5904\u7406\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bfb\u53d6\u65f6\u95f4\u6233\u8ba1\u6570\u5668(TSC)\u5bc4\u5b58\u5668\u7684\u503c\u6765\u95f4\u63a5\u6d4b\u91cfCPU\u7684\u65f6\u949f\u9891\u7387\u3002\u6bcf\u5f53CPU\u63a5\u6536\u5230\u4e00\u4e2a\u65f6\u949f\u4fe1\u53f7\u65f6\uff0cTSC\u5bc4\u5b58\u5668\u7684\u503c\u4f1a\u589e\u52a0\u4e00\uff0c\u901a\u8fc7\u6d4b\u91cf\u4e00\u5b9a\u65f6\u95f4\u5185TSC\u5bc4\u5b58\u5668\u7684\u53d8\u5316\u91cf\uff0c\u53ef\u4ee5\u4f30\u7b97\u51faCPU\u7684\u65f6\u949f\u9891\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u67e5\u770b\u6216\u4fee\u6539STM32\u7684\u65f6\u949f\u9891\u7387\uff1a\u5bf9\u4e8eSTM32\u5fae\u63a7\u5236\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7\u7f16\u7a0b\u8bbf\u95ee\u5176\u5185\u90e8\u7684RCC(\u590d\u4f4d\u548c\u914d\u7f6e)\u6a21\u5757\u6765\u67e5\u770b\u6216\u4fee\u6539\u5404\u4e2a\u65f6\u949f\u7684\u9891\u7387\u3002\u8fd9\u9700\u8981\u4f7f\u7528\u7279\u5b9a\u7684\u51fd\u6570\uff0c\u5982RCC_GetClocksFreq\uff0c\u5e76\u53ef\u80fd\u9700\u8981\u5c06\u6570\u636e\u8f93\u51fa\u5230\u4e32\u53e3\u6216\u901a\u8fc7JLink\u7b49\u8c03\u8bd5\u5de5\u5177\u89c2\u5bdf\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6676\u632f\u9891\u7387\u4e0e\u500d\u9891\u7cfb\u6570\uff1a\u5bf9\u4e8e\u4e00\u4e9b\u5904\u7406\u5668\uff0c\u5176\u5de5\u4f5c\u9891\u7387\u53ef\u4ee5\u901a\u8fc7\u6676\u632f\u9891\u7387\u4e58\u4ee5\u500d\u9891\u7cfb\u6570\u6765\u8ba1\u7b97\u3002\u9996\u5148\u9700\u8981\u786e\u5b9aCPU\u7684\u6676\u632f\u9891\u7387\uff0c\u8fd9\u662fCPU\u5185\u90e8\u65f6\u949f\u53d1\u751f\u5668\u7684\u8f93\u51fa\u9891\u7387\uff0c\u7136\u540e\u6839\u636e\u5904\u7406\u5668\u7684\u5177\u4f53\u8bbe\u8ba1\uff0c\u4f7f\u7528\u500d\u9891\u7cfb\u6570\u8fdb\u884c\u8ba1\u7b97\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4f7f\u7528\u9ad8\u901f\u793a\u6ce2\u5668\uff1a\u5728\u6d4b\u8bd5\u6d4b\u91cf\u884c\u4e1a\u4e2d\uff0c\u9ad8\u901f\u793a\u6ce2\u5668\u5e38\u7528\u4e8e\u6d4b\u91cf\u65f6\u949f\u4fe1\u53f7\u7684\u8d28\u91cf\uff0c\u5305\u62ec\u603b\u6296\u52a8\u3001\u5468\u671f\u6296\u52a8\u7b49\u53c2\u6570\u3002\u867d\u7136\u8fd9\u4e0d\u662f\u76f4\u63a5\u6d4b\u91cfCPU\u9891\u7387\u7684\u65b9\u6cd5\uff0c\u4f46\u5b83\u53ef\u4ee5\u5e2e\u52a9\u8bc4\u4f30\u65f6\u949f\u4fe1\u53f7\u7684\u8d28\u91cf\uff0c\u95f4\u63a5\u5f71\u54cd\u5230CPU\u6027\u80fd\u7684\u8868\u73b0\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4f7f\u7528CPU\u68c0\u6d4b\u8f6f\u4ef6\uff1a\u5e02\u9762\u4e0a\u6709\u8bb8\u591a\u4e13\u95e8\u7528\u4e8e\u68c0\u6d4bCPU\u4fe1\u606f\u7684\u8f6f\u4ef6\u5de5\u5177\uff0c\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u63d0\u4f9b\u5305\u62ec\u5904\u7406\u5668\u54c1\u724c\u3001\u9884\u671f\u5de5\u4f5c\u9891\u7387\u3001\u5f53\u524d\u5de5\u4f5c\u9891\u7387\u7b49\u5728\u5185\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u8fd9\u4e9b\u8f6f\u4ef6\u901a\u5e38\u57fa\u4e8e\u786c\u4ef6\u62bd\u8c61\u5c42(HAL)\u6216\u9a71\u52a8\u7a0b\u5e8f\u6765\u83b7\u53d6\u5b9e\u65f6\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u6d4b\u91cf\u548c\u8ba1\u7b97\u5904\u7406\u5668\u7684\u65f6\u949f\u9891\u7387\u9700\u8981\u6839\u636e\u5904\u7406\u5668\u7684\u5177\u4f53\u7c7b\u578b\u548c\u53ef\u7528\u8d44\u6e90\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\u548c\u6280\u672f\u6765\u83b7\u5f97\u51c6\u786e\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u4e0d\u540c\u7c7b\u578b\u7684\u5904\u7406\u5668(\u5982CPU\u3001GPU)\u7684\u65f6\u949f\u9891\u7387\u6709\u4f55\u5dee\u5f02?<\/h2>\n\n\n\n<p>\u3000\u3000\u4e0d\u540c\u7c7b\u578b\u7684\u5904\u7406\u5668\uff0c\u5982CPU\u548cGPU\uff0c\u5728\u65f6\u949f\u9891\u7387\u4e0a\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u73b0\u4ee3CPU\u7684\u65f6\u949f\u901f\u5ea6\u53ef\u4ee5\u8fbe\u52303.5\u52304 GHz \uff0c\u800cGPU\u7684\u65f6\u949f\u901f\u5ea6\u901a\u5e38\u5728500\u5230800 MHz\u4e4b\u95f4 \u3002\u8fd9\u8868\u660e\uff0c\u5c3d\u7ba1GPU\u7684\u6838\u5fc3\u6570\u91cf\u53ef\u80fd\u8fdc\u591a\u4e8eCPU(\u4f8b\u5982\uff0cGTX 760\u67091024\u4e2aCUDA\u6838\u5fc3\uff0c\u800cGTX 960\u67091152\u4e2aCUDA\u6838\u5fc3)\uff0c\u4f46\u5176\u5355\u4e2a\u6838\u5fc3\u7684\u8fd0\u884c\u901f\u5ea6\u4ecd\u7136\u4f4e\u4e8eCPU\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cGPU\u7684\u6027\u80fd\u4e0d\u4ec5\u4ec5\u53d6\u51b3\u4e8e\u6838\u5fc3\u65f6\u949f\u901f\u5ea6\uff0c\u8fd8\u53d7\u5230\u5185\u5b58\u65f6\u949f\u901f\u5ea6\u7684\u5f71\u54cd\u3002\u5185\u5b58\u65f6\u949f\u901f\u5ea6\u6307\u7684\u662f\u6570\u636e\u53ef\u4ee5\u4ece\u89c6\u9891RAM\u4e2d\u88ab\u8bbf\u95ee\u5e76\u4f20\u9012\u7ed9GPU\u7684\u901f\u5ea6 \u3002\u8fd9\u610f\u5473\u7740\uff0c\u5373\u4f7fGPU\u7684\u6838\u5fc3\u65f6\u949f\u901f\u5ea6\u8f83\u4f4e\uff0c\u901a\u8fc7\u63d0\u9ad8\u5185\u5b58\u65f6\u949f\u901f\u5ea6\u4e5f\u80fd\u63d0\u5347\u5176\u5904\u7406\u80fd\u529b\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u5927\u91cf\u5185\u5b58\u8bbf\u95ee\u7684\u4efb\u52a1\u4e2d 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