{"id":122017,"date":"2025-02-20T14:22:23","date_gmt":"2025-02-20T12:22:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/zstandard-1-5-7"},"modified":"2025-02-20T14:22:23","modified_gmt":"2025-02-20T12:22:23","slug":"zstandard-1-5-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/zstandard-1-5-7","title":{"rendered":"Zstandard 1.5.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Apr\u00e8s 11 mois de d\u00e9veloppement et plus de 500 commits, la version 1.5.7 de la biblioth\u00e8que de compression de donn\u00e9es rapide et de l'outil en ligne de commande Zstandard, \u00e9crits en C et distribu\u00e9s sous les licences BSD et GNU GPL 2, est sortie.<\/p>\n<p>Il s'agit d'une version significative avec des am\u00e9liorations de performance, de stabilit\u00e9 et de fonctionnalit\u00e9, et elle est particuli\u00e8rement recommand\u00e9e pour les utilisateurs de syst\u00e8mes 32 bits.<\/p>\n<p>Principales modifications :<\/p>\n<ul>\n<li>Un probl\u00e8me ancien et tr\u00e8s rare de compression en mode 32 bits, qui pouvait survenir lors de longues sessions (la m\u00eame ZSTD_CCtx* utilis\u00e9e en permanence), a \u00e9t\u00e9 r\u00e9solu.<\/li>\n<li>Une augmentation significative de la vitesse de compression (jusqu'\u00e0 +30%) pour les petites donn\u00e9es.<\/li>\n<li>Am\u00e9lioration de la vitesse de compression (~+5%) avec un dictionnaire \u00e0 bas niveaux de compression.<\/li>\n<li>Le travail de l'\u00e9quipe \u2014patch-from est devenu plus rapide avec des niveaux de compression \u00e9lev\u00e9s, am\u00e9liorant le taux de compression.<\/li>\n<li>Le rapport de compression a \u00e9t\u00e9 am\u00e9lior\u00e9 \u00e0 tous les niveaux gr\u00e2ce \u00e0 une meilleure d\u00e9finition des fronti\u00e8res des blocs.<\/li>\n<li>La d\u00e9tection des instructions CPU bmi2 au moment de l'ex\u00e9cution fonctionne maintenant \u00e9galement en mode 32 bits x86.<\/li>\n<li>L'utilisation du multit\u00e2che dans l'outil en ligne de commande est d\u00e9sormais activ\u00e9e par d\u00e9faut.<\/li>\n<li>Une nouvelle commande \u2014max a \u00e9t\u00e9 ajout\u00e9e \u00e0 l'outil en ligne de commande, visant \u00e0 garantir le meilleur taux de compression possible en poussant tous les param\u00e8tres \u00e0 leur maximum.<\/li>\n<li>Une nouvelle m\u00e9thode ZSTD_compressSequencesAndLiterals() a \u00e9t\u00e9 ajout\u00e9e \u00e0 l'API.<\/li>\n<li>La fonction ZSTD_getFrameHeader() fonctionne d\u00e9sormais \u00e9galement sur des cadres omis.<\/li>\n<li>D'autres am\u00e9liorations et corrections de bogues ont \u00e9t\u00e9 apport\u00e9es.<\/li>\n<\/ul>\n<p>Source : <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/opensource\/17890558\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 11 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[&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-122017","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=\"\u041f\u043e\u0441\u043b\u0435 11 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u0441\u0432\u044b\u0448\u0435 500 \u043a\u043e\u043c\u043c\u0438\u0442\u043e\u0432 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a 1.5.7 \u0431\u044b\u0441\u0442\u0440\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0441\u0436\u0430\u0442\u0438\u044f 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