{"id":1625,"date":"2020-09-08T11:42:57","date_gmt":"2020-09-08T03:42:57","guid":{"rendered":"http:\/\/iqotom.com\/?p=1625"},"modified":"2020-09-08T11:42:59","modified_gmt":"2020-09-08T03:42:59","slug":"%e5%85%b3%e4%ba%8ecpu-c-states-%e7%9c%81%e7%94%b5%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"http:\/\/iqotom.com\/?p=1625","title":{"rendered":"\u5173\u4e8eCPU C-States \u7701\u7535\u6a21\u5f0f"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\"> \u5173\u4e8eCPU C-States \u7701\u7535\u6a21\u5f0f\uff0c\u4f60\u9700\u8981\u77e5\u9053\u7684\u4e8b\u60c5 <\/h3>\n\n\n\n<p>\n\n\u4e3a\u4e86\u5728CPU\u7a7a\u95f2\u7684\u65f6\u5019\u964d\u4f4e\u529f\u8017\uff0cCPU\u53ef\u4ee5\u88ab\u547d\u4ee4\u8fdb\u5165low-power\u6a21\u5f0f\u3002\u6bcf\u4e2aCPU\u90fd\u6709\u51e0\u79cdpower\u6a21\u5f0f\uff0c\u8fd9\u4e9b\u6a21\u5f0f\u88ab\u7edf\u79f0\u4e3aC-states\u6216\u8005C-modes\u3002\n\n<\/p>\n\n\n\n<p>lower-power\u6a21\u5f0f\u6700\u65e9\u5728486DX4\u5904\u7406\u5668\u4e0a\u88ab\u5f15\u5165\uff0c\u5230\u73b0\u5728\uff0c\u66f4\u591apower mode\u88ab\u5f15\u5165\u548c\u589e\u5f3a\uff0c\u6765\u8fdb\u4e00\u6b65\u964d\u4f4eCPU\u7684\u529f\u8017\u3002<br><\/p>\n\n\n\n<p>\u8fd9\u4e9b\u6a21\u5f0f\u6700\u57fa\u672c\u7684\u601d\u60f3\u662f\u901a\u8fc7CPU\u5185\u90e8\u7684idle unit\u5207\u65adCPU\u7684clock\u4fe1\u53f7\u548c\u4f9b\u7535\u3002\u8d8a\u591a\u7684CPU\u5355\u5143\u88ab\u505c\u6b62(\u901a\u8fc7\u5207\u65ad\u65f6\u949f)\uff0c\u964d\u4f4e\u7535\u538b\u6216\u8005\u5b8c\u5168\u5173\u95ed\uff0c\u964d\u4f4e\u7684\u529f\u8017\u5c31\u8d8a\u591a\uff0c\u4f46\u540c\u65f6\u4e5f\u9700\u8981\u66f4\u591a\u7684\u65f6\u95f4\u6765\u5524\u9192CPU\uff0c \u91cd\u65b0\u56de\u5230\u6ee1\u64cd\u4f5c\u6a21\u5f0f\u3002<br><\/p>\n\n\n\n<p>C-States\u4eceC0\u5f00\u59cb\uff0cC0\u662fCPU\u7684\u6b63\u5e38\u5de5\u4f5c\u6a21\u5f0f\uff0cCPU\u5904\u4e8e100%\u8fd0\u884c\u72b6\u6001\u3002C\u540e\u7684\u6570\u8d8a\u9ad8\uff0cCPU\u7761\u7720\u5f97\u8d8a\u6df1\uff0cCPU\u7684\u529f\u8017\u88ab\u964d\u4f4e\u5f97\u8d8a\u591a\uff0c\u540c\u65f6\u9700\u8981\u66f4\u591a\u7684\u65f6\u95f4\u56de\u5230C0\u6a21\u5f0f\u3002<br><\/p>\n\n\n\n<p>\u6bcf\u4e00\u4e2a\u6a21\u5f0f\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u540d\u5b57\uff0c\u6709\u7684\u6a21\u5f0f\u8fd8\u6709\u5b50\u6a21\u5f0f\uff0c\u5b50\u6a21\u5f0f\u53c8\u5177\u6709\u4e0d\u540c\u529f\u8017\u548c\u5524\u9192\u65f6\u95f4\u3002<br><\/p>\n\n\n\n<p>\u5728\u4e0b\u8868\u6240\u5217\u7684\u6a21\u5f0f\u4e2d\uff0cC1\u5230C3\u901a\u8fc7\u5207\u65adCPU\u5185\u90e8\u7684\u65f6\u949f\uff0cC4\u5230C6\u6a21\u5f0f\u901a\u8fc7\u964d\u4f4eCPU\u7684\u7535\u538b\u3002&#8221;Enhanced&#8221;\u6a21\u5f0f\u4e24\u79cd\u65b9\u5f0f\u90fd\u91c7\u7528\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdn.net\/20150616162249852?watermark\/2\/text\/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvbGswNzgyOA==\/font\/5a6L5L2T\/fontsize\/400\/fill\/I0JBQkFCMA==\/dissolve\/70\/gravity\/Center\" alt=\"\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"> C1\u6a21\u5f0f <\/h2>\n\n\n\n<p>\u3000\u3000\u6240\u6709\u7684x86 CPU\u90fd\u6709HLT\u6307\u4ee4(&#8220;Halt&#8221;)\uff0c \u5f53HLT\u6307\u4ee4\u6267\u884c\u65f6\uff0cCPU\u4f1a\u4fdd\u6301idle\uff0c\u4e0d\u505a\u4efb\u4f55\u4e8b\u60c5\u3002\u5f53CPU\u6536\u5230\u4e00\u4e2a\u4e2d\u65ad\uff0c CPU\u4f1a\u56de\u5230\u6b63\u5e38\u8fd0\u884c\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p><br>\u3000\u3000\u65e2\u7136\u5728halt\u72b6\u6001\u4e0b\uff0cCPU\u662f\u5b8c\u5168\u7a7a\u95f2\u7684\uff0cIntel\u8ba4\u4e3a\u8fd9\u662f\u7701\u7535\u7684\u6700\u4f73\u65f6\u673a\uff0c\u6240\u4ee5\u4ed6\u4eec\u589e\u52a0\u4e86&#8221;Halt&#8221;\u6216\u8005\u53eb&#8221;Auto Halt&#8221;\u6a21\u5f0f\uff0c\u5373\u6211\u4eec\u6240\u77e5\u7684C1\u3002C1\u4ece486DX4\u5904\u7406\u5668\u88ab\u5f15\u5165\u3002Intel\u548cAMD\u6240\u6709\u5728486DX4\u4e4b\u540e\u9762\u4e16\u7684\u5904\u7406\u5668\u90fd\u5b9e\u73b0\u4e86\u8fd9\u4e2a\u6a21\u5f0f\uff0c486DX2\u4e0a\u5b9e\u73b0\u4e86&#8221;SL Enhanced&#8221;\u7248\u672c\u3002<\/p>\n\n\n\n<p><br>\u3000\u3000\u6240\u4ee5\uff0c\u5f53\u6709\u7a0b\u5e8f\u8fd0\u884c\u4e86HLT\u6307\u4ee4\u540e\uff0cCPU\u4f1a\u8fdb\u5165\u4f20\u7edf halt\u6a21\u5f0f\uff0c \u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0c\u9664\u4e86bus interface\u548cAPIC\u4e4b\u5916\uff0c\u6240\u6709\u7684\u5904\u7406\u5668\u5185\u90e8\u65f6\u949f\u90fd\u88ab\u505c\u6b62\u3002\u4e00\u65e6\u5904\u7406\u5668\u6536\u5230\u4e2d\u65ad\u4fe1\u53f7\uff0c\u4ed6\u4f1a\u56de\u5230C0\u6a21\u5f0f\uff0c\u5185\u90e8\u65f6\u949f\u88ab\u56de\u590d\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u6709\u8da3\u7684\u662f\uff0c\u5bf9\u5904\u7406\u5668\u6765\u8bf4\uff0c\u8fdb\u5165C1\u6a21\u5f0f\u5e76\u4e0d\u9700\u8981\u7279\u6b8a\u7684\u7f16\u7a0b\u5de5\u4f5c\uff0c\u56e0\u4e3aHLT\u6307\u4ee4\u4ece8086\u5f00\u59cb\u5c31\u5b58\u5728\u3002\u5728486DX4\u4e4b\u524d\uff0cHLT\u6307\u4ee4\u88ab\u7528\u6765\u6682\u505cCPU\uff0c\u7b49\u5f85\u7ec8\u7aef\u3002\u5728486DX4\u4e4b\u540e\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7\u8fdb\u5165\u8fd9\u79cd\u6a21\u5f0f\u6765\u964d\u4f4e\u5904\u7406\u5668\u7684\u529f\u8017\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u4e4b\u524d\u63d0\u5230\u8fc7\uff0cCPU\u53ef\u4ee5\u6682\u65f6\u6027\u7684\u79bb\u5f00C1\u6a21\u5f0f\uff0c\u53bb\u5904\u7406CPU external bus\u4e0a\u7684\u91cd\u8981\u8bf7\u6c42\u3002\u8fd9\u4e2a\u6682\u65f6\u6027\u7684\u79bb\u5f00\u88ab\u79f0\u4e3aStop Clock Snoop\u72b6\u6001\uff0c HALT\/Grant Snoop State \u6216\u8005\u7b80\u5355\u7684\u79f0\u4e3aSnoop State\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0cCPU\u65f6\u949f\u88ab\u6062\u590d\u3002\u5728CPU\u5904\u7406\u5b8c\u8bf7\u6c42\u540e\uff0c\u5b83\u4f1a\u81ea\u52a8\u7684\u56de\u5230C1\u6a21\u5f0f\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u6240\u6709\u7684socket 775 Intel\u5904\u7406\u5668\u90fd\u5b9e\u73b0\u4e86\u4e00\u4e2a\u9ad8\u7ea7Halt\u6a21\u5f0f\uff0c\u53eb\u505aEnhanced Halt(Pentium 4)\uff0c\u6216\u8005Extended Halt(Core 2 Duo)\u6216\u8005\u7b80\u5355\u7684\u79f0\u4e3aC1E\u3002\u5728\u8fd9\u4e2a\u6a21\u5f0f\u4e0b\uff0c\u9664\u4e86\u5173\u95ed\u5904\u7406\u5668\u5185\u90e8\u65f6\u949f\u5916\uff0c\u5904\u7406\u5668\u7684\u7535\u538b\u4e5f\u88ab\u964d\u4f4e\u3002\u5982\u679c\u5728BIOS\u4e2d\uff0c\u8fd9\u4e2a\u6a21\u5f0f\u88ab\u6253\u5f00\uff0c\u5f53HLT\u6307\u4ee4\u53d1\u51fa\u540e\uff0c\u5904\u7406\u5668\u4f1a\u8fdb\u5165C1E\uff0c \u800c\u4e0d\u662f\u4f20\u7edf\u7684C1\u6a21\u5f0f\uff0c\u53cd\u4e4b\uff0c\u5982\u679c\u8fd9\u4e2a\u6a21\u5f0f\u88ab\u5173\u95ed\uff0c\u5219\u4f1a\u8fdb\u5165C1\u6a21\u5f0f\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000Core 2 Duo\u540c\u65f6\u4e5f\u63d0\u51fa\u4e86Extended Halt\/Stop Grant Snoop state\uff0c\u53ef\u4ee5\u5141\u8bb8\u5904\u7406\u5668\u6682\u65f6\u6027\u7684\u79bb\u5f00C1E\u6216\u8005C2E\u6a21\u5f0f\uff0c\u53bb\u54cd\u5e94\u5916\u90e8\u603b\u7ebf\u4e0a\u7684\u91cd\u8981\u8bf7\u6c42\uff0c\u4f46\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u5904\u7406\u5668\u4f1a\u4fdd\u6301\u4f4e\u7535\u538b\uff0c\u800c\u4e0d\u662f\u5c06\u5176\u6062\u590d\u5230\u6b63\u5e38\u503c\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u8981\u6ce8\u610f\u7684\u662fAMD\u4e5f\u4f7f\u7528C1E\u8fd9\u4e2a\u540d\u5b57\uff0c\u4e0d\u8fc7\u5b83\u4eec\u505a\u4e86\u5b8c\u5168\u4e0d\u540c\u7684\u4e8b\u60c5\u3002\u5728\u4ed6\u4eec\u768465 nm Athlon X2\u548cPhenom\u5904\u7406\u5668\u4e0a\uff0cC1E\u7684\u884c\u4e3a\u548cC3\u76f8\u4f3c\uff0c\u5173\u95ed\u6240\u6709\u7684\u5904\u7406\u5668\u65f6\u949f\u3002\u5f53\u4e3b\u677fBIOS\u4e2d\uff0cC1E\u9009\u9879\u88ab\u6253\u5f00\uff0c\u5e76\u4e14\u6240\u6709\u7684\u5904\u7406\u5668\u6838\u90fd\u8fdb\u5165\u4e86C1\u6a21\u5f0f\uff0c\u5219\u5904\u7406\u5668\u4f1a\u81ea\u52a8\u8fdb\u5165C1E\u6a21\u5f0f\u3002\u800c\u4f20\u7edfC3\u6a21\u5f0f\u5219\u9700\u8981OS\u53d1\u9001\u547d\u4ee4\u6765\u52b2\u5982\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"> C2\u6a21\u5f0f <\/h2>\n\n\n\n<p>\u3000\u3000C2\u6a21\u5f0f\u540c\u6837\u662f\u5728486DX4\u4e2d\u88ab\u5f15\u5165\u7684\u3002\u5904\u7406\u5668\u589e\u52a0\u4e86\u4e00\u4e2a\u540d\u53eb&#8221;STPCLK&#8221;\u7684\u5f15\u811a\uff0c\u5f53\u8fd9\u4e2a\u5f15\u811a\u4f7f\u80fd\u65f6\uff0c\u5904\u7406\u5668\u7684\u6838\u5fc3\u65f6\u949f\u88ab\u5207\u65ad\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u5982\u4f60\u6240\u89c1\uff0cC2\u6a21\u5f0f\u4e0eC1\u6a21\u5f0f\u5f88\u7c7b\u4f3c\uff0c\u90fd\u662f\u5207\u65ad\u5904\u7406\u5668\u7684\u6838\u5fc3\u65f6\u949f\u3002\u4e0d\u540c\u7684\u662f\uff0cC1\u6a21\u5f0f\u901a\u8fc7HLT\u6307\u4ee4\u8fdb\u5165\uff0c\u800cC2\u6a21\u5f0f\u5219\u901a\u8fc7\u786c\u4ef6\u8fdb\u5165\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u548cC1\u6a21\u5f0f\u4e00\u6837\uff0cC2\u6a21\u5f0f\u4e5f\u4e0d\u662f\u5173\u95ed\u4e86\u6240\u6709\u7684\u5904\u7406\u5668\u5185\u90e8\u65f6\u949f\uff0cbus interface\u548cAPIC\u7684\u65f6\u949f\u4f9d\u7136\u4fdd\u7559\uff0c\u4ee5\u54cd\u5e94\u5916\u90e8\u4e2d\u65ad\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000C2\u6a21\u5f0f\u5b58\u5728\u4e24\u4e2a\u5b50\u6a21\u5f0f\uff1aStop Grant \u548cStop Clock\u3002\u524d\u8005\u5728STPCLK\u7ba1\u811a\u4f7f\u80fd\u540e\u8fdb\u5165\uff0c\u5982\u524d\u9762\u4ecb\u7ecd\uff0c\u5904\u7406\u5668\u7684\u6838\u5fc3\u65f6\u949f\u88ab\u5173\u95ed\uff0c\u4f46\u662f\u65f6\u949f\u53d1\u751f\u90e8\u4ef6(PLL)\u4ecd\u7136\u5728\u5de5\u4f5c\uff0c\u4ee5\u4ea7\u751f\u5916\u90e8\u603b\u7ebf\u6240\u9700\u8981\u7684\u65f6\u949f\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000486DX4, Pentium, Pentium MMX, K5, K6, K6-II\u548cK6-III\u53ef\u4ee5\u66f4\u8fdb\u4e00\u6b65\uff0c\u8fdb\u5165Stop Clock\u6a21\u5f0f\u3002\u5728\u8be5\u6a21\u5f0f\u4e0b\uff0c\u65f6\u949f\u53d1\u751f\u90e8\u4ef6\u4e5f\u88ab\u5173\u505c\uff0c\u56e0\u6b64\u5916\u90e8\u65f6\u949f\u4fe1\u53f7\u4e5f\u88ab\u5173\u505c\u3002\u73b0\u5728\u7684\u5904\u7406\u5668\u90fd\u5df2\u7ecf\u4e0d\u5b58\u5728Stop Clock\u6a21\u5f0f\uff0c\u88abC3 Deep Sleep\u6a21\u5f0f\u53d6\u4ee3\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u548cC1\u6a21\u5f0f\u76f8\u4f3c\uff0c\u5904\u7406\u5668\u53ef\u4ee5\u6682\u65f6\u6027\u7684\u79bb\u5f00C2\u6a21\u5f0f\uff0c\u53bb\u5904\u7406\u91cd\u8981\u7684\u5916\u90e8\u8bf7\u6c42\u3002\u8fd9\u4e2a\u6682\u65f6\u7684\u79bb\u5f00\u88ab\u79f0\u4e3aStop Clock Snoop State, HALT\/Grant Snoop State\u6216\u8005\u7b80\u5355\u7684\u79f0\u4e3aSnoop State\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u5904\u7406\u5668\u65f6\u949f\u88ab\u56de\u590d\u3002\u5f53\u5904\u7406\u5668\u5904\u7406\u5b8c\u5916\u90e8\u8bf7\u6c42\u540e\uff0c\u4f1a\u81ea\u52a8\u56de\u5230C2\u72b6\u6001\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000Core 2 Duo\u5904\u7406\u5668\u5f15\u5165\u4e86\u4e00\u4e2a\u9ad8\u7ea7\u7684Stop Grant\u6a21\u5f0f\uff0c\u79f0\u4e3aExtended Gtop Grant\uff0c \u5373C2E\u3002\u8fd9\u4e2a\u6a21\u5f0f\u4f1a\u5728\u5173\u505c\u65f6\u949f\u7684\u540c\u65f6\uff0c\u964d\u4f4e\u5904\u7406\u5668\u7684\u7535\u538b\u3002\u4e00\u65e6C2E\u6a21\u5f0f\u5728BIOS\u4e2d\u88ab\u6253\u5f00\uff0c\u4f7f\u80fdSTPCLK\u7ba1\u811a\u4f1a\u8fdb\u5165C2E\u6a21\u5f0f\uff0c\u800c\u4e0d\u662f\u4f20\u7edf\u7684C2\u6a21\u5f0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"> C3\u6a21\u5f0f <\/h2>\n\n\n\n<p>\u3000\u3000C3\u6a21\u5f0f\u88ab\u79f0\u4e3aSleep\u6a21\u5f0f\u3002\u6700\u65e9\u5728Pentium II\u5904\u7406\u5668\u4e2d\u88ab\u5f15\u5165\u3002\u6709\u8da3\u7684\u662f\uff0c\u8fd9\u4e2a\u6a21\u5f0f\u5728\u90e8\u5206Core 2 Duo\u5904\u7406\u5668\u4e2d\u5e76\u4e0d\u5b58\u5728\u3002\u4f46\u8fd9\u90e8\u7c89\u5904\u7406\u5668\u5b9e\u73b0\u4e86C1E\u548cC2E\u6a21\u5f0f\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000C3\u6a21\u5f0f\u662fC2\u6a21\u5f0f\u7684\u8fdb\u4e00\u6b65\u53d1\u5c55\u3002\u5728C3\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709\u7684\u5904\u7406\u5668\u5185\u90e8\u65f6\u949f\uff0c\u5305\u62ecbus interface\u548cAPIC\uff0c\u90fd\u88ab\u5173\u505c\u3002\u8fd9\u610f\u5473\u7740\u5904\u7406\u5668\u5c06\u65e0\u6cd5\u54cd\u5e94\u5916\u90e8\u603b\u7ebf\u7684\u91cd\u8981\u8bf7\u6c42\u6216\u7ec8\u7aef\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000Intel\u5904\u7406\u5668\u548cAMD Turion 64\u5904\u7406\u5668\u5b58\u5728\u4e00\u4e2aC3\u7684\u5b50\u6a21\u5f0f\uff0c\u79f0\u4e3aDeep Sleep\u3002\u5728\u8be5\u6a21\u5f0f\u4e0b\uff0c\u5904\u7406\u5668\u5916\u90e8\u65f6\u949f\u4e5f\u88ab\u5173\u505c\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u8fdb\u5165C3\u6a21\u5f0f\u7684\u65b9\u6cd5\u53d6\u51b3\u4e0e\u5904\u7406\u5668\u5382\u5546\u3002Intel\u5904\u7406\u5668\u589e\u52a0\u4e86\u4e00\u4e2a\u7ba1\u811a\uff0c\u53eb\u505aSLP(\u6216\u8005DPSLP\uff0c\u53d6\u51b3\u4e8e\u5904\u7406\u5668\u578b\u53f7)\u3002\u5f53\u5904\u7406\u5668\u5904\u5728C2\u6a21\u5f0f\uff0c\u540c\u65f6SLP\u7ba1\u811a\u88ab\u4f7f\u80fd\uff0c\u5c31\u4f1a\u5207\u6362\u5230C3\u6a21\u5f0f\u3002\u6240\u4ee5\uff0c\u8981\u8fdb\u5165C3\u6a21\u5f0f\uff0c\u5e94\u5148\u4f7f\u80fdSTPCLK\uff0c\u518d\u4f7f\u80fdDPCLK\u7ba1\u811a\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u5728AMD\u5904\u7406\u5668\u4e0a\uff0c\u5219\u901a\u8fc7\u7b80\u5355\u7684\u8bfbACPI\u7684\u4e00\u4e2a\u5bc4\u5b58\u5668\u6765\u8fdb\u5165C3\u6a21\u5f0f\uff0c\u524d\u63d0\u540c\u6837\u662f\u5904\u7406\u5668\u8981\u5148\u5904\u4e8eC2\u6a21\u5f0f\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000AMD\u79fb\u52a8\u5904\u7406\u5668(Turion 64)\u652f\u6301C3\u7684\u4e00\u4e2a\u5b50\u6a21\u5f0f\uff1aAltVID\uff0c\u4ee5\u5141\u8bb8\u5728C3\u6a21\u5f0f\u4e0b\u964d\u4f4e\u5904\u7406\u5668\u7684\u7535\u538b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"> C4\u6a21\u5f0f <\/h2>\n\n\n\n<p>\u3000\u3000C1\uff0cC2\uff0cC3\u6a21\u5f0f\u90fd\u901a\u8fc7\u5173\u505c\u5904\u7406\u5668\u7684\u65f6\u949f\u6765\u964d\u4f4e\u529f\u8017\u3002C3\u6a21\u5f0f\u5df2\u7ecf\u5173\u505c\u4e86\u5904\u7406\u5668\u5185\u90e8\u7684\u6240\u6709\u65f6\u949f\uff0c\u6240\u4ee5\u8fd9\u79cd\u529e\u6cd5\u6ca1\u6709\u66f4\u8fdb\u4e00\u6b65\u7684\u7a7a\u95f4\u3002\u56e0\u6b64\u9700\u8981\u901a\u8fc7\u964d\u4f4e\u7535\u538b\u6765\u8fbe\u5230\u8fdb\u4e00\u6b65\u964d\u4f4e\u529f\u8017\u7684\u76ee\u7684\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u7b2c\u4e00\u4e2a\u5b9e\u73b0\u4e86\u964d\u4f4e\u7535\u538b\u7684\u6a21\u5f0f\uff0c\u53eb\u505aC4\u6a21\u5f0f\uff0c\u6216\u8005Deeper Sleep\u6a21\u5f0f\u3002C4\u6a21\u5f0f\u6700\u65e9\u5728Pentium M\u5904\u7406\u5668\u4e0a\u5b9e\u73b0\u3002<br><\/p>\n\n\n\n<p>\u8981\u8fdb\u5165C4\u6a21\u5f0f\uff0c\u5fc5\u987b\u5148\u8fdb\u5165C3\u6a21\u5f0f\u3002<br><\/p>\n\n\n\n<p>\u5728Core Duo\u5904\u7406\u5668\u4e0a\uff0c\u901a\u8fc7\u4f7f\u80fdDPRSTP\u7ba1\u811a\u6765\u8fdb\u5165C4\u6a21\u5f0f\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u5728Core 2 Extreme X9100\u4e0a\uff0cC0\u6a21\u5f0f\u6d88\u801759A\u7684\u7535\u6d41\uff0c\u5f53\u8fdb\u5165C4\u6a21\u5f0f\u65f6\uff0c\u8be5\u503c\u964d\u4f4e\u523012.2A\uff0c79.32%\u7684\u529f\u8017\u88ab\u964d\u4f4e\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u5728Core Solo, Core Duo\u53ca45 nm\u7684mobile Core 2 Duo\u4e0a\uff0c\u5b58\u5728\u53e6\u4e00\u4e2aC4\u6a21\u5f0f\uff0c\u79f0\u4e3aEnhanced Deeper Sleep\uff0c\u5373C4E\u6a21\u5f0f\u3002\u8be5\u6a21\u5f0f\u5141\u8bb8\u5728L2 chache\u88ab\u5173\u95ed\u4e4b\u540e\uff0c\u518d\u964d\u4f4e\u7535\u538b\u3002\u8be5\u6a21\u5f0f\u5728\u5176\u4ed6\u7684CPU\u4e2d\u4e0d\u5b58\u5728\u3002\u8be5\u6a21\u5f0f\u4e5f\u88ab\u4e00\u4e9b\u4eba\u79f0\u4e3aC5\u6a21\u5f0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"> C6\u6a21\u5f0f <\/h2>\n\n\n\n<p>\u3000\u3000C6\u6a21\u5f0f\u662f\u6700\u8fd1(\u622a\u81f32008-9)\u572845 nm\u7248\u672c\u7684mobile Core 2 Duo\u5904\u7406\u5668\u4e2d\u88ab\u63d0\u51fa\u7684\u6a21\u5f0f\u3002\u4e5f\u88ab\u79f0\u4e3aDeep Power Down\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u5f53\u5904\u7406\u5668\u8fdb\u5165\u8be5\u6a21\u5f0f\u65f6\uff0c\u9700\u8981\u5c06\u5b8c\u6574\u7684architecture\u72b6\u6001\u4fdd\u5b58\u5230\u4e00\u4e2a\u7279\u5b9a\u7684\u9759\u6001RAM\u4e2d\uff0c\u8be5RAM\u4f7f\u7528\u72ec\u7acb\u7684\u4f9b\u7535\u3002\u8be5\u6a21\u5f0f\u5141\u8bb8\u5904\u7406\u5668\u5185\u90e8\u7535\u538b\u88ab\u964d\u4f4e\u5230\u4efb\u4f55\u503c\uff0c\u5305\u62ec0V\uff0c\u8fd9\u610f\u5473\u7740\u5b8c\u5168\u7684\u5173\u95ed\u5904\u7406\u5668\u3002\u5f53\u5904\u7406\u5668\u88ab\u5524\u9192\u65f6\uff0c\u5b83\u4f1a\u4ece\u524d\u9762\u63d0\u5230\u7684RAM\u5904\u52a0\u8f7d\u72b6\u6001\u4fe1\u606f\u3002\u6b63\u5982\u524d\u9762\u6240\u8bf4\uff0c\u4e0e\u4e4b\u524d\u7684\u6a21\u5f0f\u76f8\u6bd4\uff0c\u4eceC6\u6a21\u5f0f\u4e2d\u5524\u9192\u9700\u8981\u591a\u5f97\u591a\u7684\u65f6\u95f4\u3002\u4f46\u8fd9\u4e2a\u65f6\u95f4\u4ecd\u7136\u6bd4\u5173\u95ed\u7535\u8111\u540e\u5f00\u673a\u65f6\u65f6\u95f4\u77ed\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6574\u4e2a\u5904\u7406\u5668\u53ea\u6709\u4e00\u6761\u5904\u7406\u5668\u7535\u538b\u7ebf(\u9664\u4e86\u4e0a\u9762\u63d0\u5230\u7684\u7279\u6b8a\u7684\u9759\u6001RAM)\uff0c\u8fd9\u610f\u5473\u7740\uff0c\u964d\u4f4e\u6216\u8005\u5173\u95ed\u5904\u7406\u5668\u7535\u538b\u662f\u7edf\u4e00\u7684\u884c\u4e3a\uff1a\u5f53\u4f60\u5173\u95ed\u5904\u7406\u5668\uff0c\u4f60\u4f1a\u5173\u95ed\u6240\u6709\u90e8\u4ef6\u3002<br><\/p>\n\n\n\n<p>\u3000\u3000\u5373\u5c06\u8bde\u751f\u7684Core i7\u5904\u7406\u5668(Nehalem)\u6709\u4e00\u4e2a\u72ec\u7acb\u7684\u7535\u6e90\u63a7\u5236\u5355\u5143\uff0c\u53ef\u4ee5\u5bf9\u5355\u72ec\u7684\u5904\u7406\u5668\u6838\u964d\u4f4e\u7535\u538b\u6216\u8005\u5173\u95ed\u7535\u538b\u3002<br><\/p>\n\n\n\n<p>\u4e3a\u4e86\u8fdb\u5165C6\u6a21\u5f0f\uff0c\u9700\u8981\u5148\u8fdb\u5165C4\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u6765\u6e90\uff1a <a href=\"https:\/\/blog.csdn.net\/lk07828\/article\/details\/46519823?utm_source=blogxgwz2\">https:\/\/blog.csdn.net\/lk07828\/article\/details\/46519823?utm_source=blogxgwz2<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>linux power CPU C states<\/p>\n","protected":false},"author":1,"featured_media":1626,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[59],"_links":{"self":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/1625"}],"collection":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1625"}],"version-history":[{"count":1,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/1625\/revisions"}],"predecessor-version":[{"id":1627,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/1625\/revisions\/1627"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/media\/1626"}],"wp:attachment":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1625"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}