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class=\"wp-block-heading\">1.3 CPU\u8bbf\u5b58\u65f6\u5bf9\u9875\u8868\u7684\u5e94\u7528<\/h4>\n\n\n\n<p>cache\u5b58\u5728\u65f6CPU\u8bbf\u5b58\u7684\u5730\u5740\u8f6c\u6362\u8fc7\u7a0b\u548c\u6570\u636e\u67e5\u627e\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<p>CPU\u5728\u53d6\u6307\u6216\u8bd1\u7801\u540e\u4ea7\u751f\u865a\u62df\u5730\u5740\uff0c\u5230\u7269\u7406\u5185\u5b58\u4e2d\u53d6\u9875\u8868\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u6839\u636e\u865a\u9875\u53f7\uff0c\u5728\u9875\u8868\u91cc\u627e\u5230\u5bf9\u5e94\u7684\u5b9e\u9875\u53f7\uff0c\u5b9e\u9875\u53f7\u548c\u865a\u62df\u5730\u5740\u4e2d\u7684\u9875\u5185\u5730\u5740\u7ec4\u6210\u7269\u7406\u5185\u5b58\u5730\u5740\uff0c\u5230cache\u4e2d\u67e5\u627e\u5bf9\u5e94\u6570\u636e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='blob:https:\/\/qaqaq.top\/ffdb2bee-b7df-4ac9-a611-51a7e2ba26ea'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"blob:https:\/\/qaqaq.top\/ffdb2bee-b7df-4ac9-a611-51a7e2ba26ea\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u4e3a\u4e86\u51cf\u5c11CPU\u8bbf\u95ee\u7269\u7406\u5185\u5b58\u7684\u6b21\u6570\uff0c\u5f15\u5165TLB\u3002<\/p>\n\n\n\n<p>\u589e\u52a0TLB\u540e\uff0c\u8fc7\u7a0b\u53d8\u4e3a\u5f53CPU\u53d1\u51fa\u865a\u62df\u5730\u5740\u540e\uff0c\u9996\u5148\u5230TLB\u4e2d\u67e5\u627e\u76f8\u5e94\u7684\u9875\u8868\u6570\u636e\uff0c\u5982\u679cTLB\u4e2d\u6b63\u597d\u5b58\u653e\u7740\u6240\u9700\u7684\u9875\u8868\uff0c\u5219\u79f0\u4e3aTLB\u547d\u4e2d\uff08TLB Hit\uff09,\u63a5\u4e0b\u6765CPU\u518d\u4f9d\u6b21\u770bTLB\u4e2d\u9875\u8868\u6240\u5bf9\u5e94\u7684\u7269\u7406\u5185\u5b58\u5730\u5740\u4e2d\u7684\u6570\u636e\u662f\u4e0d\u662f\u5df2\u7ecf\u5728\u4e00\u7ea7\u3001\u4e8c\u7ea7\u7f13\u5b58\u91cc\u4e86\uff0c\u82e5\u6ca1\u6709\u5219\u5230\u5185\u5b58\u4e2d\u53d6\u76f8\u5e94\u5730\u5740\u6240\u5b58\u653e\u7684\u6570\u636e\u3002\u5982\u679cTLB\u4e2d\u6ca1\u6709\u6240\u9700\u7684\u9875\u8868\uff0c\u5219\u79f0\u4e3aTLB\u5931\u8d25\uff08TLB Miss\uff09\uff0c\u63a5\u4e0b\u6765\u5c31\u5fc5\u987b\u8bbf\u95ee\u7269\u7406\u5185\u5b58\u4e2d\u5b58\u653e\u7684\u9875\u8868\uff0c\u540c\u65f6\u66f4\u65b0TLB\u7684\u9875\u8868\u6570\u636e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1.4 \u865a\u62df\u5b58\u50a8\u5668\u6280\u672f\u7684\u4f5c\u7528<\/h4>\n\n\n\n<p>\u7ba1\u7406\u786c\u4ef6\u8d44\u6e90\uff1a\u7edf\u7b79\u8c03\u5ea6\u786c\u4ef6\u8d44\u6e90\uff0c\u9632\u6b62\u786c\u4ef6\u8d44\u6e90\u88ab\u7528\u6237\u6ee5\u7528<br>\u5b58\u50a8\u4fdd\u62a4<br>\u4e3a\u4e86\u907f\u514d\u4e3b\u5b58\u4e2d\u8eb2\u5230\u9648\u65ed\u4ed9\u6e56\u5e72\u6270\uff0c\u9632\u6b62\u67d0\u7a0b\u5e8f\u51fa\u9519\u4e8c\u7834\u574f\u5176\u4ed6\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\uff0c\u6216\u67d0\u7a0b\u5e8f\u4e0d\u5408\u6cd5\u4e8c\u88ab\u62d2\u7edd\u8bbf\u95ee<\/p>\n\n\n\n<p>\u4fdd\u62a4\u6a21\u5f0f\u548c\u5b9e\u6a21\u5f0f\u6700\u5927\u7684\u533a\u522b\u5373\u4e3a\u662f\u5426\u80fd\u591f\u5b58\u50a8\u4fdd\u62a4<\/p>\n\n\n\n<p>\uff081\uff09\u53d1\u751f\u5b58\u50a8\u4fdd\u62a4\u9519\u7684\u60c5\u51b5\uff1a<\/p>\n\n\n\n<p>\u5730\u5740\u8d8a\u754c<br>\u8bbf\u95ee\u8d8a\u6743<br>\u9875\u8868\u4e2d\u8bbe\u5b9a\u6743\u9650<br>\uff082\uff09\u6700\u57fa\u672c\u7684\u4fdd\u62a4\u63aa\u65bd<\/p>\n\n\n\n<p>\uff083\uff09\u786c\u4ef6\u63d0\u4f9b\u7684\u4e09\u79cd\u57fa\u672c\u529f\u80fd<br>\u901a\u8fc7\u4ee5\u4e0b\u4e09\u4e2a\u529f\u80fd\u628a<\/p>\n\n\n\n<p>\u652f\u6301\u4e24\u79cd\u8fd0\u884c\u6a21\u5f0f<br>1\uff09\u7ba1\u7406\u6a21\u5f0f<br>2\uff09\u7528\u6237\u6a21\u5f0f<br>\u4f7f\u4e00\u90e8\u5206CPU\u72b6\u6001\u53ea\u80fd\u7531\u7cfb\u7edf\u8fdb\u7a0b\u5199\uff0c\u800c\u4e0d\u80fd\u7531\u7528\u6237\u8fdb\u7a0b\u5199<br>\u5141\u8bb8CPI\u5728\u7ba1\u7406\u6001\u6838\u7528\u6237\u6001\u4e4b\u95f4\u76f8\u4e92\u8f6c\u6362\u7684\u673a\u5236<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u9875\u5f0f\u865a\u62df\u5b58\u50a8\u7ba1\u7406<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\">1 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