{"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\/hu\/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":"A m\u00e1sodik verzi\u00f3j\u00fa jav\u00edt\u00e1sok a Linux kernel fejl\u00e9cf\u00e1jljainak \u00e1tstruktur\u00e1l\u00e1s\u00e1val","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ingo Molnar bemutatta a jav\u00edt\u00e1sok m\u00e1sodik verzi\u00f3j\u00e1t, amely jelent\u0151sen ler\u00f6vid\u00edti a kernel \u00fajra\u00e9p\u00edt\u00e9si idej\u00e9t a fejl\u00e9cf\u00e1jlok hierarchi\u00e1j\u00e1nak \u00e1tszervez\u00e9s\u00e9vel \u00e9s a keresztf\u00fcgg\u0151s\u00e9gek sz\u00e1m\u00e1nak cs\u00f6kkent\u00e9s\u00e9vel. Az el\u0151z\u0151leg p\u00e1r nappal ezel\u0151tt bemutatott els\u0151 verzi\u00f3hoz k\u00e9pest az \u00faj v\u00e1ltozat a 5.16-rc8 kernelhez val\u00f3 alkalmazkod\u00e1ssal, tov\u00e1bbi optimaliz\u00e1ci\u00f3k hozz\u00e1ad\u00e1s\u00e1val \u00e9s a Clang ford\u00edt\u00f3 haszn\u00e1lat\u00e1val t\u00f6rt\u00e9n\u0151 ford\u00edt\u00e1si t\u00e1mogat\u00e1s megval\u00f3s\u00edt\u00e1s\u00e1val k\u00fcl\u00f6nb\u00f6zik. A Clang haszn\u00e1lat\u00e1val a jav\u00edt\u00e1sok alkalmaz\u00e1sa 88%-kal cs\u00f6kkentette a ford\u00edt\u00e1st, vagy 77%-kal a CPU er\u0151forr\u00e1s-felhaszn\u00e1l\u00e1si mutat\u00f3kban. A kernel teljes \u00fajra\u00e9p\u00edt\u00e9se a \u201emake -j96 vmlinux\u201d parancs haszn\u00e1lat\u00e1val 337.788 m\u00e1sodpercr\u0151l 179.773 m\u00e1sodpercre cs\u00f6kkentette a ford\u00edt\u00e1st. <\/p>\n

Az \u00faj verzi\u00f3ban megoldott\u00e1k a GCC b\u0151v\u00edtm\u00e9nyekkel kapcsolatos probl\u00e9m\u00e1t, kijav\u00edtott\u00e1k a kezdeti fel\u00fclvizsg\u00e1lat sor\u00e1n \u00e9szlelt hib\u00e1kat, valamint egys\u00e9ges\u00edtett\u00e9k a \u201etask_struct_per_task\u201d strukt\u00fara deklar\u00e1ci\u00f3s duplik\u00e1tumait. Ezen k\u00edv\u00fcl folytatt\u00e1k a linux\/sched.h fejl\u00e9cf\u00e1jl optimaliz\u00e1l\u00e1s\u00e1t, \u00e9s megval\u00f3s\u00edtott\u00e1k az RDMA (infiniband) alrendszer fejl\u00e9cf\u00e1jljaival kapcsolatos optimaliz\u00e1l\u00e1st, amely tov\u00e1bbi 9%-os ford\u00edt\u00e1si id\u0151cs\u00f6kkent\u00e9st tett lehet\u0151v\u00e9 az els\u0151 verzi\u00f3hoz k\u00e9pest. A kernel C-f\u00e1jlok sz\u00e1ma, amelyek a linux\/sched.h fejl\u00e9cf\u00e1jlt haszn\u00e1lj\u00e1k, 68%-r\u00f3l 36%-ra cs\u00f6kkent az els\u0151 verzi\u00f3hoz k\u00e9pest (99%-r\u00f3l 36%-ra az eredeti kernellal \u00f6sszehasonl\u00edtva).
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 […]<\/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\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A 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