{"id":152,"date":"2008-11-15T10:35:49","date_gmt":"2008-11-15T08:35:49","guid":{"rendered":"http:\/\/www.netexpertise.eu\/fr\/?p=152"},"modified":"2021-10-11T21:19:30","modified_gmt":"2021-10-11T20:19:30","slug":"ameliorer-temps-compilation","status":"publish","type":"post","link":"http:\/\/www.netexpertise.eu\/fr\/systeme\/linux\/ameliorer-temps-compilation.html","title":{"rendered":"Am\u00e9liorer ses temps de compilation"},"content":{"rendered":"<div style=\"float:left; margin-right:15px; margin-top:0px;\">\n<script async=\"\" src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- 200x200, Netexpertise --><br \/>\n<ins class=\"adsbygoogle\" style=\"display:inline-block;width:200px;height:200px\" data-ad-client=\"ca-pub-6495750100906580\" data-ad-slot=\"1946825373\"><\/ins><br \/>\n<script><br \/>\n(adsbygoogle = window.adsbygoogle || []).push({});<br \/>\n<\/script><\/div>\n<p>Ayant de nombreuses applications \u00e0 compiler, j&rsquo;ai essay\u00e9 de trouver des solutions pour am\u00e9liorer les temps.<br \/>\n&nbsp;<br \/>\nJe n&rsquo;obtenais pas des performances extraordinaires sur ma Linux Redhat, donc j&rsquo;ai arr\u00e9t\u00e9 le service cpuspeed. Je ne sais pas pourquoi, mais cpuspeed ne semble pas restituer 100% de la capacit\u00e9 du CPU, m\u00eame quand cela est n\u00e9cessaire.<br \/>\nEnsuite, j&rsquo;ai tir\u00e9 le maximum des 4 processeurs en ex\u00e9cutant make en mode parall\u00e8le avec l&rsquo;option -j. Il semblerait qu&rsquo;il faille mettre les jobs au nombre de CPU pour optenir des performances optimales.<br \/>\n&nbsp;<br \/>\nserveur compilation# make<br \/>\n5m7s<br \/>\n&nbsp;<br \/>\nserveur compilation# \/etc\/init.d\/cpuspeed stop<br \/>\nserveur compilation# make<br \/>\n4m30s<br \/>\n&nbsp;<br \/>\nserveur compilation# make -j 4 # number of CPUs<br \/>\n2m22s<br \/>\n&nbsp;<br \/>\nEn combinant les 2, on obtient donc des temps plus de 2 fois plus rapides pour une compilation de php!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ayant de nombreuses applications \u00e0 compiler, j&rsquo;ai essay\u00e9 de trouver des solutions pour am\u00e9liorer les temps. &nbsp; Je n&rsquo;obtenais pas des performances extraordinaires sur ma Linux Redhat, donc j&rsquo;ai arr\u00e9t\u00e9 le service cpuspeed. Je ne sais pas pourquoi, mais cpuspeed ne semble pas restituer 100% de la capacit\u00e9 du CPU, m\u00eame quand cela est n\u00e9cessaire. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[10],"tags":[407],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Netexpertise - Am\u00e9liorer ses temps de compilation<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.netexpertise.eu\/fr\/systeme\/linux\/ameliorer-temps-compilation.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Netexpertise - Am\u00e9liorer ses temps de compilation\" \/>\n<meta property=\"og:description\" content=\"Ayant de nombreuses applications \u00e0 compiler, j&rsquo;ai essay\u00e9 de trouver des solutions pour am\u00e9liorer les temps. &nbsp; Je n&rsquo;obtenais pas des performances extraordinaires sur ma Linux Redhat, donc j&rsquo;ai arr\u00e9t\u00e9 le service cpuspeed. Je ne sais pas pourquoi, mais cpuspeed ne semble pas restituer 100% de la capacit\u00e9 du CPU, m\u00eame quand cela est n\u00e9cessaire. 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Je ne sais pas pourquoi, mais cpuspeed ne semble pas restituer 100% de la capacit\u00e9 du CPU, m\u00eame quand cela est n\u00e9cessaire. 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