{"id":102926,"date":"2022-01-09T15:37:28","date_gmt":"2022-01-09T13:37:28","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/%d0%b2%d1%82%d0%be%d1%80%d0%b0%d1%8f-%d0%b2%d0%b5%d1%80%d1%81%d0%b8%d1%8f-%d0%bf%d0%b0%d1%82%d1%87%d0%b5%d0%b9-c-%d1%80%d0%b5%d1%81%d1%82%d1%80%d1%83%d0%ba%d1%82%d1%83%d1%80%d0%b8%d0%b7%d0%b0%d1%86"},"modified":"2022-01-09T15:37:28","modified_gmt":"2022-01-09T13:37:28","slug":"%d0%b2%d1%82%d0%be%d1%80%d0%b0%d1%8f-%d0%b2%d0%b5%d1%80%d1%81%d0%b8%d1%8f-%d0%bf%d0%b0%d1%82%d1%87%d0%b5%d0%b9-c-%d1%80%d0%b5%d1%81%d1%82%d1%80%d1%83%d0%ba%d1%82%d1%83%d1%80%d0%b8%d0%b7%d0%b0%d1%86","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/%d0%b2%d1%82%d0%be%d1%80%d0%b0%d1%8f-%d0%b2%d0%b5%d1%80%d1%81%d0%b8%d1%8f-%d0%bf%d0%b0%d1%82%d1%87%d0%b5%d0%b9-c-%d1%80%d0%b5%d1%81%d1%82%d1%80%d1%83%d0%ba%d1%82%d1%83%d1%80%d0%b8%d0%b7%d0%b0%d1%86","title":{"rendered":"Deuxi\u00e8me version des correctifs avec restructuration des fichiers d'en-t\u00eate du noyau Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ingo Molnar a pr\u00e9sent\u00e9 la deuxi\u00e8me version d'un ensemble de correctifs permettant de r\u00e9duire consid\u00e9rablement le temps de recompilation du noyau gr\u00e2ce \u00e0 une restructuration de la hi\u00e9rarchie des fichiers d'en-t\u00eate et \u00e0 une r\u00e9duction du nombre de d\u00e9pendances crois\u00e9es. Par rapport \u00e0 la premi\u00e8re version propos\u00e9e il y a quelques jours, cette nouvelle version se distingue par son adaptation au noyau 5.16-rc8, l'ajout d'optimisations suppl\u00e9mentaires et la mise en \u0153uvre du support pour la compilation avec le compilateur Clang. En utilisant Clang, l'application des correctifs a permis de r\u00e9duire le temps de compilation de 88 % ou de 77 % en termes de consommation des ressources CPU. Lors d'une recompilation compl\u00e8te du noyau avec la commande \u00ab make -j96 vmlinux \u00bb, le temps de compilation est pass\u00e9 de 337,788 secondes \u00e0 179,773 secondes.     <\/p>\n<p>La nouvelle version r\u00e9sout \u00e9galement un probl\u00e8me avec les plugins GCC, corrige les erreurs d\u00e9tect\u00e9es lors de l'examen initial et unifie les doublons de d\u00e9claration de la structure \u00ab task_struct_per_task \u00bb. De plus, l'optimisation du fichier d'en-t\u00eate linux\/sched.h a \u00e9t\u00e9 poursuivie et une optimisation des fichiers d'en-t\u00eate du sous-syst\u00e8me RDMA (infiniband) a \u00e9t\u00e9 mise en \u0153uvre, permettant de r\u00e9duire le temps de compilation de 9 % par rapport \u00e0 la premi\u00e8re version des correctifs. Le nombre de fichiers C du noyau incluant le fichier d'en-t\u00eate linux\/sched.h a \u00e9t\u00e9 r\u00e9duit de 68 % \u00e0 36 % par rapport \u00e0 la premi\u00e8re version des correctifs (de 99 % \u00e0 36 % par rapport au noyau d'origine).<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56475\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0418\u043d\u0433\u043e \u041c\u043e\u043b\u043d\u0430\u0440 (Ingo Molnar) \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u0432\u0442\u043e\u0440\u0443\u044e \u0432\u0435\u0440\u0441\u0438\u044e \u043d\u0430\u0431\u043e\u0440\u0430 \u043f\u0430\u0442\u0447\u0435\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u0432\u0440\u0435\u043c\u044f \u043f\u0435\u0440\u0435\u0441\u0431\u043e\u0440\u043a\u0438 \u044f\u0434\u0440\u0430 \u0437\u0430 \u0441\u0447\u0451\u0442 \u0440\u0435\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0438\u0437\u0430\u0446\u0438\u0438 \u0438\u0435\u0440\u0430\u0440\u0445\u0438\u0438 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u0447\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u0438 \u0441\u043e\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0447\u0438\u0441\u043b\u0430 \u043f\u0435\u0440\u0435\u043a\u0440\u0451\u0441\u0442\u043d\u044b\u0445 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u041e\u0442 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0434\u043d\u0435\u0439 \u043d\u0430\u0437\u0430\u0434 \u043f\u0435\u0440\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u043d\u043e\u0432\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u0430\u0434\u0430\u043f\u0442\u0430\u0446\u0438\u0435\u0439 \u0434\u043b\u044f \u044f\u0434\u0440\u0430 5.16-rc8, \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0439 \u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0441\u0431\u043e\u0440\u043a\u0438 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 Clang. \u041f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 Clang \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102926","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0418\u043d\u0433\u043e \u041c\u043e\u043b\u043d\u0430\u0440 (Ingo Molnar) \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u0432\u0442\u043e\u0440\u0443\u044e \u0432\u0435\u0440\u0441\u0438\u044e \u043d\u0430\u0431\u043e\u0440\u0430 \u043f\u0430\u0442\u0447\u0435\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u0442\u044c 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