{"id":104171,"date":"2022-05-27T15:36:55","date_gmt":"2022-05-27T13:36:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/razrabotchiki-ubuntu-pristupili-k-resheniyu-problem-s-medlennym-zapuskom-snap-paketa-firefox"},"modified":"2022-05-27T15:36:55","modified_gmt":"2022-05-27T13:36:55","slug":"razrabotchiki-ubuntu-pristupili-k-resheniyu-problem-s-medlennym-zapuskom-snap-paketa-firefox","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/razrabotchiki-ubuntu-pristupili-k-resheniyu-problem-s-medlennym-zapuskom-snap-paketa-firefox","title":{"rendered":"Les d\u00e9veloppeurs d'Ubuntu ont commenc\u00e9 \u00e0 r\u00e9soudre les probl\u00e8mes de lenteur du d\u00e9marrage du paquet snap de Firefox","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>L'entreprise Canonical a commenc\u00e9 \u00e0 r\u00e9soudre les probl\u00e8mes de performance du paquet snap de Firefox, propos\u00e9 par d\u00e9faut dans Ubuntu 22.04 \u00e0 la place du paquet deb habituel. Le principal m\u00e9contentement des utilisateurs est li\u00e9 \u00e0 un d\u00e9marrage tr\u00e8s lent de Firefox. Par exemple, sur un ordinateur portable Dell XPS 13, le premier d\u00e9marrage de Firefox apr\u00e8s l'installation prend 7,6 secondes, sur un Thinkpad X240 \u2014 15 secondes, et sur une carte Raspberry Pi 400 \u2014 38 secondes. Les red\u00e9marrages s'effectuent d\u00e9j\u00e0 en 0,86, 1,39 et 8,11 secondes respectivement.    <\/p>\n<p>Lors de l'analyse du probl\u00e8me, quatre principales causes du d\u00e9marrage lent ont \u00e9t\u00e9 identifi\u00e9es, qui recevront une attention particuli\u00e8re :    <\/p>\n<ul>\n<li class=\"l\"> Des frais g\u00e9n\u00e9raux \u00e9lev\u00e9s lors de la recherche de fichiers dans l'image compress\u00e9e squashfs, particuli\u00e8rement visibles sur les syst\u00e8mes peu puissants. Le probl\u00e8me sera r\u00e9solu par le regroupement du contenu pour minimiser les op\u00e9rations de d\u00e9placement dans l'image au d\u00e9marrage.\n<li class=\"l\"> Sur Raspberry Pi et les syst\u00e8mes avec GPU AMD, de grands d\u00e9lais ont \u00e9t\u00e9 constat\u00e9s en raison d'un \u00e9chec dans la d\u00e9tection du pilote graphique, ce qui entra\u00eene un retour \u00e0 un rendu logiciel avec une compilation des shaders tr\u00e8s lente. Un correctif pour r\u00e9soudre ce probl\u00e8me a d\u00e9j\u00e0 \u00e9t\u00e9 ajout\u00e9 dans snapd.\n<li class=\"l\"> Beaucoup de temps \u00e9tait perdu \u00e0 copier les plugins int\u00e9gr\u00e9s dans le paquet vers le r\u00e9pertoire de l'utilisateur. Le paquet snap int\u00e9grait 98 paquets linguistiques, qui \u00e9taient tous copi\u00e9s, peu importe la langue choisie.\n<li class=\"l\"> Des d\u00e9lais ont \u00e9galement \u00e9t\u00e9 caus\u00e9s par la d\u00e9tection de toutes les polices, th\u00e8mes d'ic\u00f4nes et configurations de polices disponibles.    <\/ul>\n<p>Lors du lancement de Firefox depuis snap, des probl\u00e8mes de performance ont \u00e9galement \u00e9t\u00e9 observ\u00e9s pendant l'utilisation, mais les d\u00e9veloppeurs d'Ubuntu ont d\u00e9j\u00e0 pr\u00e9par\u00e9 des correctifs pour am\u00e9liorer les performances. Par exemple, depuis Firefox 100.0, des optimisations de liaison (LTO) et bas\u00e9es sur les r\u00e9sultats de profilage de code (PGO) sont incluses lors de la compilation. Un nouveau portail de bureau XDG a \u00e9t\u00e9 pr\u00e9par\u00e9 pour r\u00e9soudre les probl\u00e8mes de communication entre Firefox et les sous-syst\u00e8mes externes, dont le support est en cours de r\u00e9vision pour \u00eatre inclus dans Firefox.       <\/p>\n<p>Parmi les raisons qui motivent l'adoption du format snap pour les navigateurs, on note le d\u00e9sir de simplifier la maintenance et d'unifier le d\u00e9veloppement pour les diff\u00e9rentes versions d'Ubuntu \u2014 le paquet deb n\u00e9cessite une maintenance distincte pour toutes les branches prises en charge d'Ubuntu et, par cons\u00e9quent, des compilations et des tests tenant compte des diff\u00e9rentes versions des composants du syst\u00e8me, tandis que le paquet snap peut \u00eatre cr\u00e9\u00e9 imm\u00e9diatement pour toutes les branches d'Ubuntu. De plus, le paquet snap de Firefox propos\u00e9 dans Ubuntu est pris en charge par les employ\u00e9s de Mozilla, c'est-\u00e0-dire qu'il est pr\u00e9par\u00e9 directement sans interm\u00e9diaires. La distribution au format snap a \u00e9galement permis d'acc\u00e9l\u00e9rer la mise \u00e0 disposition des nouvelles versions du navigateur aux utilisateurs d'Ubuntu et a donn\u00e9 la possibilit\u00e9 de lancer Firefox dans un environnement isol\u00e9, cr\u00e9\u00e9 \u00e0 l'aide du m\u00e9canisme AppArmor, pour une protection suppl\u00e9mentaire du reste du syst\u00e8me contre l'exploitation des vuln\u00e9rabilit\u00e9s du navigateur.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57262\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Canonical \u043f\u0440\u0438\u0441\u0442\u0443\u043f\u0438\u043b\u0430 \u043a \u0440\u0435\u0448\u0435\u043d\u0438\u044e \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0441 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e snap-\u043f\u0430\u043a\u0435\u0442\u0430 \u0441 Firefox, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u044b\u043b \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0432 Ubuntu 22.04 \u0432\u043c\u0435\u0441\u0442\u043e \u043e\u0431\u044b\u0447\u043d\u043e\u0433\u043e deb-\u043f\u0430\u043a\u0435\u0442\u0430. \u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u043d\u0435\u0434\u043e\u0432\u043e\u043b\u044c\u0441\u0442\u0432\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0441\u0432\u044f\u0437\u0430\u043d\u043e \u0441 \u043e\u0447\u0435\u043d\u044c \u043c\u0435\u0434\u043b\u0435\u043d\u043d\u044b\u043c \u0437\u0430\u043f\u0443\u0441\u043a\u043e\u043c Firefox. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043d\u0430 \u043d\u043e\u0443\u0442\u0431\u0443\u043a\u0435 Dell XPS 13 \u043f\u0435\u0440\u0432\u044b\u0439 \u0437\u0430\u043f\u0443\u0441\u043a Firefox \u043f\u043e\u0441\u043b\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 7.6 \u0441\u0435\u043a\u0443\u043d\u0434, \u043d\u0430 \u043d\u043e\u0443\u0442\u0431\u0443\u043a\u0435 Thinkpad X240 &#8212; 15 \u0441\u0435\u043a\u0443\u043d\u0434, \u0430 \u043d\u0430 \u043f\u043b\u0430\u0442\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-104171","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\" 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