{"id":122644,"date":"2025-03-20T23:00:19","date_gmt":"2025-03-20T21:00:19","guid":{"rendered":"https:\/\/prohoster.info\/?p=122644"},"modified":"2025-03-20T23:00:19","modified_gmt":"2025-03-20T21:00:19","slug":"proizvoditelnost-ubuntu-paketa-jq-udalos-uvelichit-v-1-9-raza-putyom-peresborki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/proizvoditelnost-ubuntu-paketa-jq-udalos-uvelichit-v-1-9-raza-putyom-peresborki","title":{"rendered":"La performance du paquet jq sous Ubuntu a pu \u00eatre augment\u00e9e de 1,9 fois gr\u00e2ce \u00e0 une reconstitution.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Les r\u00e9sultats de l'\u00e9valuation de l'impact sur la performance de la reconstruction des paquets pour Ubuntu avec diff\u00e9rentes options et mises en \u0153uvre des fonctions d'allocation de m\u00e9moire ont \u00e9t\u00e9 publi\u00e9s. L'exp\u00e9rimentateur a r\u00e9ussi \u00e0 augmenter la performance du paquet jq, un outil de traitement de donn\u00e9es au format JSON, de 90 % (1,9 fois) gr\u00e2ce \u00e0 une reconstruction classique \u00e0 partir du m\u00eame paquet avec le code source, sans modifications du code lui-m\u00eame. La performance a \u00e9t\u00e9 \u00e9valu\u00e9e en mesurant le temps d'ex\u00e9cution d'une requ\u00eate filtrante standard sur des donn\u00e9es GeoJSON de 500 Mo.    <\/p>\n<p>R\u00e9sultats de l'exp\u00e9rience :  <\/p>\n<ul>\n<li class=\"l\"> La version compil\u00e9e en GCC \u00e0 partir des m\u00eames fichiers source avec les options par d\u00e9faut s'est av\u00e9r\u00e9e plus rapide que le paquet binaire Ubuntu de 2 \u00e0 4 %.\n<li class=\"l\"> La reconstruction avec Clang 18 au niveau d'optimisation \u00ab -O3 \u00bb, en activant l'optimisation \u00e0 l'\u00e9tape de liaison (\u00ab -flto \u00bb) et en d\u00e9sactivant les informations de d\u00e9bogage (\u00ab -DNDEBUG \u00bb), a entra\u00een\u00e9 une augmentation de la vitesse de 20%.\n<li class=\"l\"> La reconstruction avec le syst\u00e8me de distribution de m\u00e9moire TCMalloc (ajout de \u00ab -L\/usr\/lib\/x86_64-linux-gnu -ltcmalloc_minimal \u00bb dans LDFLAGS) a entra\u00een\u00e9 une augmentation de la vitesse de 40%.\n<li class=\"l\"> Le remplacement des fonctions malloc par les syst\u00e8mes de distribution de m\u00e9moire tcmalloc, jemalloc et mimalloc via \u00ab LD_PRELOAD=\/usr\/lib\/x86_64-linux-gnu\/lib....so \u00bb a entra\u00een\u00e9 une augmentation des performances de 27%, 29% et 44%. Lors de l'ex\u00e9cution avec mimalloc, qui a montr\u00e9 une augmentation de 44%, la variable d'environnement \u00ab MIMALLOC_LARGE_OS_PAGES=1 \u00bb \u00e9tait d\u00e9finie.\n<li class=\"l\"> La reconstruction du paquet avec mimalloc dans LDFLAGS au lieu de l'\u00e9dition de liens via LD_PRELOAD a conduit \u00e0 une acc\u00e9l\u00e9ration de 90 % lors du test. Un autre test, portant sur le traitement de 2,2 Go de donn\u00e9es JSON dans 13 000 fichiers, a \u00e9galement montr\u00e9 un gain de performance d'environ deux fois.          <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62912\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043e\u0446\u0435\u043d\u043a\u0438 \u0432\u043b\u0438\u044f\u043d\u0438\u044f \u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u0441\u0431\u043e\u0440\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0434\u043b\u044f Ubuntu \u0441 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u043e\u043f\u0446\u0438\u044f\u043c\u0438 \u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438. \u042d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u0442\u043e\u0440\u0443 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u043d\u0430 90% (\u0432 1.9 \u0440\u0430\u0437\u0430) \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u0430\u043a\u0435\u0442\u0430 jq \u0441 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0435\u043c \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 JSON, \u043f\u0443\u0442\u0451\u043c \u043e\u0431\u044b\u0447\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u0441\u0431\u043e\u0440\u043a\u0438 \u0438\u0437 \u0442\u043e\u0433\u043e \u0436\u0435 \u043f\u0430\u043a\u0435\u0442\u0430 \u0441 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u043c \u043a\u043e\u0434\u043e\u043c, \u0431\u0435\u0437 \u0432\u043d\u0435\u0441\u0435\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 \u0441\u0430\u043c \u043a\u043e\u0434. \u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043e\u0446\u0435\u043d\u0438\u0432\u0430\u043b\u0430\u0441\u044c [&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-122644","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043e\u0446\u0435\u043d\u043a\u0438 \u0432\u043b\u0438\u044f\u043d\u0438\u044f \u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u0441\u0431\u043e\u0440\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0434\u043b\u044f Ubuntu \u0441 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publi\u00e9s.","canonical_url":"https:\/\/prohoster.info\/fr\/blog\/news\/proizvoditelnost-ubuntu-paketa-jq-udalos-uvelichit-v-1-9-raza-putyom-peresborki","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"fr_FR","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c Ubuntu-\u043f\u0430\u043a\u0435\u0442\u0430 jq \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u0432 1.9 \u0440\u0430\u0437\u0430 \u043f\u0443\u0442\u0451\u043c 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