{"id":121307,"date":"2025-01-11T09:46:03","date_gmt":"2025-01-11T07:46:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-fedora-42-planiruyut-postavlyat-optimizirovannye-varianty-ispolnyaemyh-fajlov"},"modified":"2025-01-11T09:46:03","modified_gmt":"2025-01-11T07:46:03","slug":"v-fedora-42-planiruyut-postavlyat-optimizirovannye-varianty-ispolnyaemyh-fajlov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/v-fedora-42-planiruyut-postavlyat-optimizirovannye-varianty-ispolnyaemyh-fajlov","title":{"rendered":"W Fedora 42 planuj\u0105 dostarcza\u0107 zoptymalizowane wersje plik\u00f3w wykonywalnych","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>W wydaniu Fedora 42, planowanym na koniec kwietnia, zaproponowano umo\u017cliwienie deweloperom do\u0142\u0105czania dodatkowych wersji plik\u00f3w wykonywalnych do paczek, zbudowanych z w\u0142\u0105czeniem optymalizacji dla mikroarchitektur x86-64-v2, x86-64-v3 i x86-64-v4. Zauwa\u017cono, \u017ce Fedora nadal tworzy paczki dla architektury x86-64-v1, podczas gdy CentOS u\u017cywa architektury x86-64-v2, a RHEL 10 \u2014 x86-64-v3. W wi\u0119kszo\u015bci przypadk\u00f3w wzrost wydajno\u015bci przy budowie dla podobnych architektur nie przekracza 10%, ale w niekt\u00f3rych sytuacjach prowadzi do zauwa\u017calnego zwi\u0119kszenia wydajno\u015bci (nawet do 120%). Propozycja ta nie zosta\u0142a jeszcze zatwierdzona przez komitet FESCo (Fedora Engineering Steering Committee), kt\u00f3ry odpowiada za techniczne aspekty rozwoju dystrybucji Fedora.    <\/p>\n<p>W Fedora ju\u017c dopuszczono dostarczanie dodatkowych bibliotek, zoptymalizowanych dla rozszerzonych wersji architektury x86_64, a podobn\u0105 mo\u017cliwo\u015b\u0107 teraz planuje si\u0119 rozszerzy\u0107 na pliki wykonywalne. \u0141adowanie zoptymalizowanych implementacji bibliotek odbywa si\u0119 za pomoc\u0105 \u0142adowarki dynamicznej (dynamic linker), kt\u00f3ra sprawdza dost\u0119pno\u015b\u0107 dodatkowych wersji w podkatalogach glibc-hwcaps, umiejscowionych w obszarach FS przeszukiwanych podczas wyszukiwania bibliotek (na przyk\u0142ad \/usr\/lib64\/glibc-hwcaps\/x86-64-v2).    <\/p>\n<p>W przypadku plik\u00f3w wykonywalnych proponuje si\u0119 u\u017cycie warstwy hwcaps-loader, kt\u00f3ra b\u0119dzie wybiera\u0107 i uruchamia\u0107 wersj\u0119 pliku wykonywalnego, odpowiadaj\u0105c\u0105 mo\u017cliwo\u015bciom aktualnego systemu. Dla pakiet\u00f3w dostarczaj\u0105cych kilka wersji plik\u00f3w wykonywalnych proponuje si\u0119 expose t\u0119 warstw\u0119 za pomoc\u0105 dowi\u0105zania symbolicznego. Decyzj\u0119 o dodaniu dodatkowo zoptymalizowanych plik\u00f3w wykonywalnych podejm\u0105 maintainerzy, w zale\u017cno\u015bci od wynik\u00f3w test\u00f3w wydajno\u015bciowych konkretnych pakiet\u00f3w.    <\/p>\n<p>Wersje x86-64-v* okre\u015blaj\u0105 nieoficjalny spos\u00f3b identyfikacji poziom\u00f3w stanu mikroarchitektury, obejmuj\u0105cych okre\u015blone zestawy rozszerze\u0144:  <\/p>\n<ul>\n<li class=\"l\"> x86-64-v2 obejmuje rozszerzenia SSE3, SSE4_2, SSSE3, POPCNT, LAHF-SAHF i CMPXCHG16B.\n<li class=\"l\"> x86-64-v3 \u2014 AVX, AVX2, BMI2, FMA, LZCNT, MOVBE i SXSAVE.\n<li class=\"l\"> x86-64-v4 \u2014 AVX512F, AVX512BW, AVX512CD, AVX512DQ i AVX512VL.   <\/ul>\n<p>Dodatkowo warto zaznaczy\u0107 propozycj\u0119 unifikacji aktualizacji bootloader\u00f3w grub i shim w atomowych oraz klasycznych wariantach Fedory. Zamiast aktualizowa\u0107 zawarto\u015b\u0107 katalog\u00f3w \/boot i \/boot\/efi poprzez wywo\u0142anie skryptu podczas instalacji pakietu rpm, proponuje si\u0119 u\u017cycie narz\u0119dzia bootupd do aktualizacji bootloadera, kt\u00f3re ju\u017c jest stosowane w atomowo aktualizowanych wariantach Fedory. W pakietach rpm z bootloaderami zawarto\u015b\u0107 proponuje si\u0119 instalowa\u0107 nie bezpo\u015brednio do katalog\u00f3w \/boot i \/boot\/efi, lecz do osobnego katalogu wewn\u0105trz partycji \/usr, po czym synchronizowa\u0107 z nim zawarto\u015b\u0107 \/boot i \/boot\/efi. Takie podej\u015bcie umo\u017cliwi realizacj\u0119 zapasowego wariantu rozruchu, kt\u00f3ry mo\u017cna wykorzysta\u0107 do powrotu do starej konfiguracji w przypadku problem\u00f3w po aktualizacji bootloadera.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62543\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Fedora 42, \u043d\u0430\u043c\u0435\u0447\u0435\u043d\u043d\u044b\u0439 \u043d\u0430 \u043a\u043e\u043d\u0435\u0446 \u0430\u043f\u0440\u0435\u043b\u044f, \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043e \u0440\u0430\u0437\u0440\u0435\u0448\u0438\u0442\u044c \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u044e\u0449\u0438\u043c \u0432\u043a\u043b\u044e\u0447\u0430\u0442\u044c \u0432 \u043f\u0430\u043a\u0435\u0442\u044b \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432, \u0441\u043e\u0431\u0440\u0430\u043d\u043d\u044b\u0435 \u0441 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0439 \u0434\u043b\u044f \u043c\u0438\u043a\u0440\u043e\u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 x86-64-v2, x86-64-v3 \u0438 x86-64-v4. \u041e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e Fedora \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442 \u0441\u043e\u0431\u0438\u0440\u0430\u0442\u044c \u043f\u0430\u043a\u0435\u0442\u044b \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b x86-64-v1, \u0432 \u0442\u043e \u0432\u0440\u0435\u043c\u044f \u043a\u0430\u043a CentOS \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043f\u0440\u0438 \u0441\u0431\u043e\u0440\u043a\u0435 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0443 x86-64-v2, \u0430 RHEL 10 &#8212; x86-64-v3. \u0412 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0435 \u0441\u043b\u0443\u0447\u0430\u0435\u0432 [&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-121307","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Fedora 42, \u043d\u0430\u043c\u0435\u0447\u0435\u043d\u043d\u044b\u0439 \u043d\u0430 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