{"id":1412,"date":"2014-03-24T03:41:29","date_gmt":"2014-03-23T20:41:29","guid":{"rendered":"http:\/\/www.itersdesktop.com\/?p=1412"},"modified":"2014-03-24T03:52:08","modified_gmt":"2014-03-23T20:52:08","slug":"may-tinh-cua-ban-co-bao-nhieu-nhan-trong-bo-vi-xu-ly","status":"publish","type":"post","link":"https:\/\/www.itersdesktop.com\/vi\/2014\/03\/24\/may-tinh-cua-ban-co-bao-nhieu-nhan-trong-bo-vi-xu-ly\/","title":{"rendered":"M\u00e1y t\u00ednh c\u1ee7a b\u1ea1n c\u00f3 bao nhi\u00eau nh\u00e2n trong b\u1ed9 vi x\u1eed l\u00fd?"},"content":{"rendered":"<p>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 xem s\u1ed1 nh\u00e2n c\u1ee7a b\u1ed9 vi x\u1eed l\u00ed m\u00e0 m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n \u0111ang c\u00f3? C\u00e2u h\u1ecfi t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n nh\u01b0ng t\u00f4i \u0111o\u00e1n c\u00f3 kh\u1ed1i b\u1ea1n kh\u00f4ng bi\u1ebft l\u1ea7n m\u00f2 ch\u1ed7 n\u00e0o tr\u00ean m\u00e1y t\u00ednh c\u00e1 nh\u00e2n \u0111\u1ec3 tr\u1ea3 l\u1eddi ch\u00ednh x\u00e1c. Th\u1ef1c t\u1ebf, c\u00e1c kh\u00e1i ni\u1ec7m core v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi kh\u00f4ng chuy\u00ean v\u1ec1 Tin h\u1ecdc c\u00f2n kh\u00e1 m\u00f9 m\u1edd. T\u00f4i s\u1ebd gi\u00e0nh th\u1eddi gian vi\u1ebft m\u1ed9t lo\u1ea1t b\u00e0i gi\u1ea3i th\u00edch c\u00e1c kh\u00e1i ni\u1ec7m core, dual core, core duo, core i, thread, multicore, hyperthreading, etc. Trong b\u00e0i vi\u1ebft n\u00e0y, m\u1ee5c \u0111\u00edch ch\u00ednh l\u00e0 h\u01b0\u1edbng d\u1eabn c\u00e1ch xem c\u00e1c th\u00f4ng tin ph\u1ea7n c\u1ee9ng \u0111\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi v\u1ec1 s\u1ed1 nh\u00e2n th\u1eadt s\u1ef1 c\u1ee7a m\u00e1y t\u00ednh.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a5027557f5d1\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a5027557f5d1\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.itersdesktop.com\/vi\/2014\/03\/24\/may-tinh-cua-ban-co-bao-nhieu-nhan-trong-bo-vi-xu-ly\/#tren-windows-xpvista7\" >Tr\u00ean Windows (XP\/Vista\/7):<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.itersdesktop.com\/vi\/2014\/03\/24\/may-tinh-cua-ban-co-bao-nhieu-nhan-trong-bo-vi-xu-ly\/#tren-linux-ubuntu-linux-mint\" >Tr\u00ean Linux (Ubuntu, Linux Mint)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.itersdesktop.com\/vi\/2014\/03\/24\/may-tinh-cua-ban-co-bao-nhieu-nhan-trong-bo-vi-xu-ly\/#tai-lieu-tham-khao\" >T\u00e0i li\u1ec7u tham kh\u1ea3o:<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"tren-windows-xpvista7\"><\/span><strong><span style=\"color: #000080;\">Tr\u00ean Windows (XP\/Vista\/7):<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>C\u00e1ch 1:<\/strong> M\u1edf tab <strong>Performance<\/strong> c\u1ee7a c\u1eeda s\u1ed5 <strong>Windows Task Manager<\/strong> (H\u00ecnh 1)<\/p>\n<figure id=\"attachment_1443\" aria-describedby=\"caption-attachment-1443\" style=\"width: 620px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-1443\" alt=\"Windows Task Manager\" src=\"http:\/\/itersdesktop.com\/wp-content\/uploads\/2014\/03\/WindowsTaskManager-1024x687.png\" width=\"620\" height=\"415\" srcset=\"https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/WindowsTaskManager-1024x687.png 1024w, https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/WindowsTaskManager-300x201.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><figcaption id=\"caption-attachment-1443\" class=\"wp-caption-text\">H\u00ecnh 1 &#8211; Tab Performance c\u1ee7a c\u1eeda s\u1ed5 Windows Task Manager<\/figcaption><\/figure>\n<p>Trong khung <strong>CPU Usage History<\/strong> (H\u00ecnh 1), ch\u00fang ta th\u1ea5y c\u00f3 4 \u00f4, ch\u00ednh l\u00e0 4 ti\u1ebfn tr\u00ecnh \u0111\u01b0\u1ee3c gi\u1ea3 l\u1eadp tr\u00ean 2 CPUs v\u1eadt l\u00fd (Intel v\u1eabn \u0111ang s\u1eed d\u1ee5ng 2 ti\u1ebfn tr\u00ecnh (thread) tr\u00ean m\u1ed9t nh\u00e2n CPU). N\u00ean \u1edf \u0111\u00e2y, m\u00e1y t\u00ednh n\u00e0y c\u00f3 CPU c\u00f3 2 nh\u00e2n v\u1eadt l\u00ed th\u1eadt s\u1ef1. C\u00f3 th\u1ec3 n\u00f3i m\u00e1y t\u00ednh n\u00e0y c\u00f3 4 CPUs nh\u01b0ng 2 ch\u1ec9 c\u00f3 2 nh\u00e2n v\u1eadt l\u00ed th\u1eadt s\u1ef1.<\/p>\n<p><strong>C\u00e1ch 2:<\/strong> D\u00f9ng c\u00e1c ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 xem th\u00f4ng tin ph\u1ea7n c\u1ee9ng m\u00e1y t\u00ednh. \u0110i\u1ec3n h\u00ecnh l\u00e0 m\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m nh\u01b0 sau:<\/p>\n<p><strong>CPU-Z<\/strong><\/p>\n<figure id=\"attachment_1444\" aria-describedby=\"caption-attachment-1444\" style=\"width: 473px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1444 \" alt=\"CPU-Z\" src=\"http:\/\/itersdesktop.com\/wp-content\/uploads\/2014\/03\/CPU-Z.png\" width=\"473\" height=\"496\" srcset=\"https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/CPU-Z.png 473w, https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/CPU-Z-286x300.png 286w\" sizes=\"auto, (max-width: 473px) 100vw, 473px\" \/><figcaption id=\"caption-attachment-1444\" class=\"wp-caption-text\">CPU-Z<\/figcaption><\/figure>\n<p><strong>Speccy<\/strong><\/p>\n<figure id=\"attachment_1445\" aria-describedby=\"caption-attachment-1445\" style=\"width: 620px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/itersdesktop.com\/wp-content\/uploads\/2014\/03\/Speccy-CPU.png\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1445 \" alt=\"Speccy\" src=\"http:\/\/itersdesktop.com\/wp-content\/uploads\/2014\/03\/Speccy-CPU-1024x517.png\" width=\"620\" height=\"313\" srcset=\"https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/Speccy-CPU-1024x517.png 1024w, https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/Speccy-CPU-300x151.png 300w, https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/Speccy-CPU.png 1066w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><figcaption id=\"caption-attachment-1445\" class=\"wp-caption-text\">Speccy<\/figcaption><\/figure>\n<p><strong>Multi Threaded PI<\/strong><\/p>\n<figure id=\"attachment_1446\" aria-describedby=\"caption-attachment-1446\" style=\"width: 620px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-1446\" alt=\"Multi threaded PI\" src=\"http:\/\/itersdesktop.com\/wp-content\/uploads\/2014\/03\/Multi-Threaded-PI-1024x725.png\" width=\"620\" height=\"438\" srcset=\"https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/Multi-Threaded-PI-1024x725.png 1024w, https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/Multi-Threaded-PI-300x212.png 300w, https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/Multi-Threaded-PI.png 1185w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><figcaption id=\"caption-attachment-1446\" class=\"wp-caption-text\">Multi threaded PI<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"tren-linux-ubuntu-linux-mint\"><\/span><strong><span style=\"color: #000080;\">Tr\u00ean Linux (Ubuntu, Linux Mint)<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_1413\" aria-describedby=\"caption-attachment-1413\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/itersdesktop.com\/wp-content\/uploads\/2014\/03\/caodiem.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1413\" alt=\"Xem th\u00f4ng tin ho\u1ea1t \u0111\u1ed9ng c\u1ee7a CPU v\u00e0 B\u1ed9 nh\u1edb tr\u00ean Ubuntu\" src=\"http:\/\/itersdesktop.com\/wp-content\/uploads\/2014\/03\/caodiem.png\" width=\"640\" height=\"446\" srcset=\"https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/caodiem.png 640w, https:\/\/www.itersdesktop.com\/wp-content\/uploads\/2014\/03\/caodiem-300x209.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><figcaption id=\"caption-attachment-1413\" class=\"wp-caption-text\">Xem th\u00f4ng tin ho\u1ea1t \u0111\u1ed9ng c\u1ee7a CPU v\u00e0 B\u1ed9 nh\u1edb tr\u00ean Ubuntu<\/figcaption><\/figure>\n<p>Th\u00f4ng tin tr\u00ean m\u00e0n h\u00ecnh n\u00e0y cho bi\u1ebft m\u00e1y t\u00ednh c\u00f3 16 CPUs. \u0110\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 n\u00e0y, ch\u1ea1y ch\u01b0\u01a1ng tr\u00ecnh <strong>System Monitor<\/strong>.<\/p>\n<p><span style=\"text-decoration: underline;\">D\u00f9ng l\u1ec7nh \u0111\u1ec3 xem ch\u00ednh x\u00e1c s\u1ed1 l\u01b0\u1ee3ng core c\u1ee7a CPU:<\/span><\/p>\n<p>Tr\u00ean Linux, \u00a0\/proc\/cpuinfo ch\u1ee9a th\u00f4ng tin c\u1ee7a t\u1ea5t c\u1ea3 CPU hi\u1ec7n t\u1ea1i \u0111ang c\u00f3 tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n. Nh\u1eefng th\u00f4ng tin n\u00e0y bao g\u1ed3m t\u1ed1c \u0111\u1ed9, dung l\u01b0\u1ee3ng <a title=\"Cache l\u00e0 g\u00ec?\" href=\"http:\/\/www.itersdesktop.com\/2014\/01\/07\/what-is-cache\/\" target=\"_blank\">b\u1ed9 nh\u1edb \u0111\u1ec7m &#8211; cache<\/a>, lo\u1ea1i vi x\u1eed l\u00ed v\u00e0 s\u1ed1 nh\u00e2n c\u1ee7a b\u1ed9 vi x\u1eed l\u00fd.<\/p>\n<p><code>cat \/proc\/cpuinfo | grep processor | wc -l <\/code><br \/>\nL\u1ec7nh n\u00e0y t\u00ecm ki\u1ebfm nh\u1eefng d\u00f2ng n\u00e0o trong file cpuinfo c\u00f3 ch\u1ee9a ch\u1eef &#8220;processor&#8221; v\u00e0 l\u1ec7nh wc -l s\u1ebd \u0111\u1ebfm s\u1ed1 d\u00f2ng ch\u1ee9a ch\u1eef \u0111\u00f3. K\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 c\u1ee7a l\u1ec7nh wc -l ch\u00ednh l\u00e0 s\u1ed1 CPU hi\u1ec7n c\u00f3.\u00a0Trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n \u0111ang s\u1eed d\u1ee5ng m\u1ed9t con <strong>dual-core processor\u00a0<\/strong>th\u00ec m\u1ed7i core \u0111\u01b0\u1ee3c coi nh\u01b0 l\u00e0 m\u1ed9t CPU ri\u00eang bi\u1ec7t.<\/p>\n<p>Ho\u1eb7c b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 d\u00f9ng l\u1ec7nh <code>lscpu<\/code>, ho\u1eb7c t\u1ea1i Terminal b\u1ea1n g\u00f5 l\u1ec7nh <code>top<\/code> \u0111\u1ec3 xem th\u00f4ng tin v\u1ec1 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh (tasks) \u0111ang ch\u1ea1y, b\u1ed9 nh\u1edb&#8230; sau \u0111\u00f3 g\u00f5 s\u1ed1 1 \u0111\u1ec3 xem vi\u1ec7c s\u1eed d\u1ee5ng cpu. B\u1ea1n s\u1ebd nh\u00ecn th\u1ea5y s\u1ed1 CPU.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"tai-lieu-tham-khao\"><\/span><span style=\"color: #000080;\"><strong>T\u00e0i li\u1ec7u tham kh\u1ea3o:<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>[1] <a title=\"Intel Core i7 Processor Specifications\" href=\"http:\/\/www.intel.com\/content\/www\/us\/en\/processors\/core\/core-i7-processor\/Corei7Specifications.html\" target=\"_blank\">Intel\u00ae Core\u2122 i7 Processor Specifications<\/a>\u00a0truy c\u1eadp v\u00e0o 23 Mar 2014<\/p>\n<p>[2] <a href=\"http:\/\/itexpertvoice.com\/home\/threads-or-cores-which-do-you-need\/\" target=\"_blank\">Threads and Cores: Which Do You Need?<\/a> truy c\u1eadp v\u00e0o 23 Mar 2014<\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 xem s\u1ed1 nh\u00e2n c\u1ee7a b\u1ed9 vi x\u1eed l\u00ed m\u00e0 m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n \u0111ang c\u00f3? C\u00e2u h\u1ecfi t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n nh\u01b0ng t\u00f4i \u0111o\u00e1n c\u00f3 kh\u1ed1i&hellip; <\/p>\n","protected":false},"author":2,"featured_media":1413,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[415,223],"tags":[55,435,436,434,572,570],"class_list":["post-1412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computer-hardward","category-tips-tricks","tag-command-line","tag-cpu-core","tag-number-of-cpu-cores","tag-so-nhan-cua-vi-xu-li","tag-terminal","tag-ubuntu"],"_links":{"self":[{"href":"https:\/\/www.itersdesktop.com\/vi\/wp-json\/wp\/v2\/posts\/1412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.itersdesktop.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.itersdesktop.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.itersdesktop.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.itersdesktop.com\/vi\/wp-json\/wp\/v2\/comments?post=1412"}],"version-history":[{"count":5,"href":"https:\/\/www.itersdesktop.com\/vi\/wp-json\/wp\/v2\/posts\/1412\/revisions"}],"predecessor-version":[{"id":1450,"href":"https:\/\/www.itersdesktop.com\/vi\/wp-json\/wp\/v2\/posts\/1412\/revisions\/1450"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.itersdesktop.com\/vi\/wp-json\/wp\/v2\/media\/1413"}],"wp:attachment":[{"href":"https:\/\/www.itersdesktop.com\/vi\/wp-json\/wp\/v2\/media?parent=1412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.itersdesktop.com\/vi\/wp-json\/wp\/v2\/categories?post=1412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.itersdesktop.com\/vi\/wp-json\/wp\/v2\/tags?post=1412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}