{"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\/nl\/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":"Tweede versie van de patches met de herstructurering van de headerbestanden van de Linux-kernel","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ingo Molnar heeft de tweede versie van een patchset gepresenteerd waarmee de herbouwtijd van de kernel aanzienlijk kan worden verkort door de hi\u00ebrarchie van headerbestanden te herstructureren en het aantal kruisafhankelijkheden te verminderen. Deze nieuwe versie verschilt van de eerste versie die enkele dagen geleden werd voorgesteld, door de aanpassing aan kernel 5.16-rc8, het toevoegen van extra optimalisaties en het implementeren van ondersteuning voor het bouwen met de Clang-compiler. Bij gebruik van Clang heeft het toepassen van de patches de opbouwtijd met 88% verminderd of met 77% in CPU-resourceverbruik. Bij een volledige herbouw van de kernel met het commando 'make -j96 vmlinux' is de opbouwtijd verminderd van 337,788 naar 179,773 seconden.     <\/p>\n<p>In de nieuwe versie is ook een probleem met GCC-plugins opgelost, zijn de fouten die tijdens de eerste beoordelingsronde zijn ontdekt gecorrigeerd en is er een uniformering van de duplicaten van de structuur 'task_struct_per_task' doorgevoerd. Bovendien is de optimalisatie van de headerlinux\/sched.h voortgezet en is er een optimalisatie van de headerbestanden van de RDMA-subsystemen (infiniband) ge\u00efmplementeerd, wat heeft geleid tot een verdere vermindering van de opbouwtijd met 9% ten opzichte van de eerste versie van de patches. Het aantal C-bestanden van de kernel dat de header linux\/sched.h insluit, is verminderd van 68% naar 36% vergeleken met de eerste versie van de patches (van 99% naar 36% vergeleken met de originele kernel).<br \/>\n<br \/>Bron: <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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