{"id":129,"date":"2013-03-11T08:44:05","date_gmt":"2013-03-11T07:44:05","guid":{"rendered":"http:\/\/sam-soul.fr\/Info\/?p=129"},"modified":"2013-03-11T08:44:05","modified_gmt":"2013-03-11T07:44:05","slug":"nombre-de-processeurs-et-de-coeurs","status":"publish","type":"post","link":"http:\/\/les-fougs.com\/wordpress\/2013\/03\/11\/nombre-de-processeurs-et-de-coeurs\/","title":{"rendered":"Nombre de processeurs et de coeurs"},"content":{"rendered":"<p>Les infos sont dans<strong>\u00a0\/proc\/cpuinfo<\/strong><\/p>\n<p><strong>grep &laquo;&nbsp;processor\\|cpu cores&nbsp;&raquo; \/proc\/cpuinfo<\/strong><\/p>\n<p>processor : 0<br \/>\ncpu cores : 4<br \/>\nprocessor : 1<br \/>\ncpu cores : 4<br \/>\nprocessor : 2<br \/>\ncpu cores : 4<br \/>\nprocessor : 3<br \/>\ncpu cores : 4<\/p>\n<p>4 processeurs avec chacun 4 coeurs.<\/p>\n<p><strong>cat \/proc\/cpuinfo<\/strong><\/p>\n<p>processor : 15<br \/>\nvendor_id : GenuineIntel<br \/>\ncpu family : 6<br \/>\nmodel : 26<br \/>\nmodel name : Intel(R) Xeon(R) CPU X5560 @ 2.80GHz<br \/>\nstepping : 5<br \/>\ncpu MHz : 2800.246<br \/>\ncache size : 8192 KB<br \/>\nphysical id : 1<br \/>\nsiblings : 8<br \/>\ncore id : 11<br \/>\ncpu cores : 4<br \/>\nfpu : yes<br \/>\nfpu_exception : yes<br \/>\ncpuid level : 11<br \/>\nwp : yes<br \/>\nflags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm pni monitor ds_cpl est tm2 cx16 xtpr popcnt lahf_lm<br \/>\nbogomips : 5600.29<br \/>\nclflush size : 64<br \/>\ncache_alignment : 64<br \/>\naddress sizes : 40 bits physical, 48 bits virtual<br \/>\npower management:<\/p>\n<p>Les processeurs sont num\u00e9rot\u00e9s \u00e0 partir de 0. Ici nous avons le d\u00e9tail du processeur N\u00b0 15 donc le 16i\u00e8me.<\/p>\n<h3>How many physical processors are there?<\/h3>\n<p><strong>$\u00a0grep &lsquo;physical id&rsquo; \/proc\/cpuinfo | sort | uniq | wc -l<\/strong><br \/>\n2<\/p>\n<p>How many virtual processors are there?<\/p>\n<p>$\u00a0grep ^processor \/proc\/cpuinfo | wc -l<br \/>\n4<\/p>\n<p>Are the processors dual-core (or multi-core)?<\/p>\n<p><strong>$\u00a0grep &lsquo;cpu cores&rsquo; \/proc\/cpuinfo<\/strong><br \/>\ncpu cores : 2<br \/>\ncpu cores : 2<br \/>\ncpu cores : 2<br \/>\ncpu cores : 2<\/p>\n<p>&laquo;&nbsp;2&nbsp;&raquo; indicates the two physical processors are dual-core, resulting in 4 virtual processors.<\/p>\n<p>If &laquo;&nbsp;1&nbsp;&raquo; was returned, the two physical processors are single-core. If the processors are single-core, and the number of virtual processors is greater than the number of physical processors, the CPUs are using hyper-threading. Hyper-threading is supported if\u00a0ht\u00a0is present in the CPU\u00a0flags\u00a0and you are using an SMP kernel.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les infos sont dans\u00a0\/proc\/cpuinfo grep &laquo;&nbsp;processor\\|cpu cores&nbsp;&raquo; \/proc\/cpuinfo processor : 0 cpu cores : 4 processor : 1 cpu cores : 4 processor : 2 cpu cores : 4 processor : 3 cpu cores : 4 4 processeurs avec chacun 4 coeurs. cat \/proc\/cpuinfo processor : 15 vendor_id : GenuineIntel cpu family : 6 model &hellip; <a href=\"http:\/\/les-fougs.com\/wordpress\/2013\/03\/11\/nombre-de-processeurs-et-de-coeurs\/\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Nombre de processeurs et de coeurs&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[51],"tags":[],"_links":{"self":[{"href":"http:\/\/les-fougs.com\/wordpress\/wp-json\/wp\/v2\/posts\/129"}],"collection":[{"href":"http:\/\/les-fougs.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/les-fougs.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/les-fougs.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/les-fougs.com\/wordpress\/wp-json\/wp\/v2\/comments?post=129"}],"version-history":[{"count":0,"href":"http:\/\/les-fougs.com\/wordpress\/wp-json\/wp\/v2\/posts\/129\/revisions"}],"wp:attachment":[{"href":"http:\/\/les-fougs.com\/wordpress\/wp-json\/wp\/v2\/media?parent=129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/les-fougs.com\/wordpress\/wp-json\/wp\/v2\/categories?post=129"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/les-fougs.com\/wordpress\/wp-json\/wp\/v2\/tags?post=129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}