{"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\/es\/blog\/news\/v-fedora-42-planiruyut-postavlyat-optimizirovannye-varianty-ispolnyaemyh-fajlov","title":{"rendered":"En Fedora 42 se planea ofrecer versiones optimizadas de los archivos ejecutables.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>En la versi\u00f3n Fedora 42, programada para finales de abril, se propone permitir a los mantenedores incluir en los paquetes variantes adicionales de archivos ejecutables compilados con optimizaciones para las microarquitecturas x86-64-v2, x86-64-v3 y x86-64-v4. Se se\u00f1ala que Fedora contin\u00faa compilando paquetes para la arquitectura x86-64-v1, mientras que CentOS utiliza la arquitectura x86-64-v2 para la compilaci\u00f3n y RHEL 10 utiliza x86-64-v3. En la mayor\u00eda de los casos, el aumento del rendimiento al compilar para estas arquitecturas no supera el 10%, pero en situaciones espec\u00edficas puede resultar en un aumento de rendimiento notable (hasta un 120%). La propuesta a\u00fan no ha sido aprobada por el comit\u00e9 FESCo (Fedora Engineering Steering Committee), responsable de la parte t\u00e9cnica del desarrollo de la distribuci\u00f3n Fedora.    <\/p>\n<p>En Fedora ya se permite la entrega de bibliotecas adicionales, optimizadas para versiones avanzadas de la arquitectura x86_64, y ahora se planea extender esta posibilidad a los archivos ejecutables. La carga de implementaciones optimizadas de bibliotecas se realiza mediante el enlazador din\u00e1mico, que verifica la existencia de variantes adicionales en los subdirectorios glibc-hwcaps, ubicados en \u00e1reas del sistema de archivos que se examinan al buscar bibliotecas (por ejemplo, \/usr\/lib64\/glibc-hwcaps\/x86-64-v2).    <\/p>\n<p>Para los archivos ejecutables, se propone utilizar una capa hwcaps-loader, que seleccionar\u00e1 y ejecutar\u00e1 la variante del archivo ejecutable que se corresponda con las capacidades del sistema actual. Para los paquetes que entregan varias variantes de archivos ejecutables, se sugiere exponer esta capa a trav\u00e9s de un enlace simb\u00f3lico. Los mantenedores decidir\u00e1n sobre la adici\u00f3n de archivos ejecutables optimizados, dependiendo de los resultados de las pruebas de rendimiento de paquetes espec\u00edficos.    <\/p>\n<p>Las versiones x86-64-v* definen una forma no oficial de identificar las versiones del estado de la microarquitectura, que abarcan conjuntos espec\u00edficos de extensiones:  <\/p>\n<ul>\n<li class=\"l\"> x86-64-v2 abarca las extensiones SSE3, SSE4_2, SSSE3, POPCNT, LAHF-SAHF y CMPXCHG16B.\n<li class=\"l\"> x86-64-v3 \u2014 AVX, AVX2, BMI2, FMA, LZCNT, MOVBE y SXSAVE.\n<li class=\"l\"> x86-64-v4 \u2014 AVX512F, AVX512BW, AVX512CD, AVX512DQ y AVX512VL.   <\/ul>\n<p>Tambi\u00e9n se puede mencionar la propuesta para unificar la actualizaci\u00f3n de los cargadores grub y shim en las versiones at\u00f3micas y normales de Fedora. En lugar de actualizar el contenido de los directorios \/boot y \/boot\/efi a trav\u00e9s de un script durante la instalaci\u00f3n del paquete rpm, se sugiere utilizar la herramienta bootupd, que ya se aplica en las versiones de Fedora que se actualizan de manera at\u00f3mica. En los paquetes rpm con los cargadores, se propone instalar el contenido no directamente en los directorios \/boot y \/boot\/efi, sino en un directorio separado dentro de la partici\u00f3n \/usr, y luego sincronizar con el contenido de \/boot y \/boot\/efi. Este enfoque permitir\u00e1 implementar una opci\u00f3n de arranque de respaldo, que se puede utilizar para revertir a una configuraci\u00f3n anterior en caso de problemas tras la actualizaci\u00f3n del cargador.<br \/>\n<br \/>Fuente: <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 5.0.2 - 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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