{"id":26485,"date":"2017-05-10T12:35:54","date_gmt":"2017-05-10T12:35:54","guid":{"rendered":"https:\/\/dev.railscarma.com\/achieve-parallelism-ruby-mri-io-bound-threads\/"},"modified":"2021-06-05T08:18:05","modified_gmt":"2021-06-05T08:18:05","slug":"realiser-le-parallelisme-des-threads-lies-a-ruby-mri-io","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/fr\/blog\/ror\/realiser-le-parallelisme-des-threads-lies-a-ruby-mri-io\/","title":{"rendered":"Comment r\u00e9aliser le parall\u00e9lisme avec Ruby MRI avec des threads li\u00e9s aux E\/S"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"26485\" class=\"elementor elementor-26485\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-16a66803 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"16a66803\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2492c69\" data-id=\"2492c69\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-73417dc elementor-widget elementor-widget-text-editor\" data-id=\"73417dc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p align=\"justify\">La langue n\u2019est pas seulement utilis\u00e9e par les gens, mais m\u00eame les sites Web l\u2019utilisent. Le langage est l&#039;un des principaux probl\u00e8mes auxquels les programmeurs sont confront\u00e9s, surtout lorsqu&#039;il s&#039;agit de Ruby. Les performances offertes par Ruby peuvent \u00eatre l&#039;une des raisons pour lesquelles les programmeurs ne voudraient pas utiliser ce langage. En raison des plaintes concernant les performances de Ruby, cela montre seulement que le framework est en retard par rapport aux autres frameworks utilis\u00e9s aujourd&#039;hui par les programmeurs. M\u00eame si ces probl\u00e8mes sont dus \u00e0 Ruby, il est facile \u00e0 utiliser.<\/p>\n\n<h2>La question sera toujours : comment atteindre le parall\u00e9lisme avec l&#039;IRM de Ruby ?<\/h2>\n<p align=\"justify\">Pour r\u00e9pondre, la meilleure solution est d&#039;avoir les threads li\u00e9s 1\/0. Les threads peuvent influencer le parall\u00e9lisme observ\u00e9 aujourd\u2019hui dans les processeurs. Le Ruby MRI est connu pour ne pas soutenir le parall\u00e9lisme. M\u00eame si vous avez beaucoup de threads, avec Ruby MRI, un seul thread s&#039;ex\u00e9cutera en permanence et c&#039;est gr\u00e2ce \u00e0 GIL.<\/p>\n<p align=\"justify\">Certaines d\u00e9clarations indiquent que Ruby MRI n&#039;aidera pas \u00e0 atteindre le parall\u00e9lisme et tout cela est d\u00fb \u00e0 GIL, qui est responsable d&#039;imposer des restrictions sur les threads. Pour cette raison, les gens pensent que Ruby est inutile et n\u2019est pas d\u2019une grande aide pour atteindre le parall\u00e9lisme. Ces d\u00e9clarations peuvent \u00eatre suffisamment vraies si vous utilisez des op\u00e9rations li\u00e9es au processeur. Pourquoi? Lorsque vous utilisez les op\u00e9rations li\u00e9es au CPU, de bonnes performances ne seront jamais \u00e9videntes et auront toujours des performances faibles et tout cela est d\u00fb au fait que la planification des threads est g\u00e9r\u00e9e par l&#039;espace utilisateur et que GIL joue un grand r\u00f4le puisque c&#039;est celui qui limite le fils.<\/p>\n<p align=\"justify\">Contrairement \u00e0 ces d\u00e9clarations, les threads li\u00e9s aux E\/S sont ceux qui aident Ruby MRI \u00e0 atteindre le parall\u00e9lisme. La vitesse des threads li\u00e9s aux E\/S est limit\u00e9e par les E\/S trouv\u00e9es dans les ordinateurs. Celui qui g\u00e8re les threads li\u00e9s aux E\/S est l&#039;interpr\u00e9teur Ruby qui se trouve dans l&#039;espace du noyau. \u00c9tant donn\u00e9 que l&#039;interpr\u00e9teur Ruby est situ\u00e9 \u00e0 l&#039;ext\u00e9rieur, les threads li\u00e9s aux E\/S peuvent s&#039;ex\u00e9cuter librement puisqu&#039;il n&#039;y a pas de restrictions et pourront s&#039;ex\u00e9cuter en parall\u00e8le car le GIL n&#039;est pas pr\u00e9sent. L&#039;espace noyau est responsable de la planification des threads li\u00e9s aux E\/S, ce qui leur permettra de s&#039;ex\u00e9cuter en continu sur de nombreux hubs.<\/p>\n<p align=\"justify\">Si vous souhaitez que vos threads s&#039;ex\u00e9cutent et atteignent le parall\u00e9lisme sans aucune restriction, le Ruby MRI avec des threads li\u00e9s aux E\/S est la meilleure option. Contrairement aux op\u00e9rations li\u00e9es au processeur, vous pouvez probablement rencontrer de nombreuses restrictions dans votre thread car GIL est pr\u00e9sent. Quel que soit le nombre de threads que vous utilisez, si le GIL existe, un seul thread peut s&#039;ex\u00e9cuter simultan\u00e9ment. N\u00e9anmoins, si vous utilisez le Ruby MRI avec des threads li\u00e9s aux E\/S, vos performances peuvent s&#039;am\u00e9liorer et atteindront certainement le parall\u00e9lisme. De plus, si vous travaillez sur une t\u00e2che li\u00e9e aux E\/S, le Ruby MRI avec des threads li\u00e9s aux E\/S est fait pour vous car il peut s&#039;ex\u00e9cuter en parall\u00e9lisme et ne vous emp\u00eachera pas d&#039;avoir plusieurs threads. N&#039;oubliez pas que vos discussions doivent \u00eatre en s\u00e9curit\u00e9 \u00e0 tout moment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-140d9c0b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"140d9c0b\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1a5cbdee\" data-id=\"1a5cbdee\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-68711a4c elementor-widget elementor-widget-heading\" 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Le langage est l'un des principaux probl\u00e8mes auxquels les programmeurs sont confront\u00e9s, en particulier lorsqu'il s'agit de Ruby's. Les performances de Ruby's peuvent \u00eatre l'une des raisons pour lesquelles les programmeurs ne veulent pas utiliser ce langage. Les performances de Ruby's peuvent \u00eatre l'une des raisons pour lesquelles les programmeurs ne veulent pas utiliser ce langage. A cause des plaintes ...<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.railscarma.com\/fr\/blog\/ruby-regex-match-guide-with-examples\/\"> <span class=\"screen-reader-text\">Guide de correspondance des expressions rationnelles en Ruby (2026) avec exemples<\/span> Lire la suite \u00bb<\/a><\/p>","protected":false},"author":1,"featured_media":31773,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[690],"tags":[],"class_list":["post-26485","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ror"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to achieve parallelism with Ruby MRI with I\/O bound threads - RailsCarma - Ruby on Rails Development Company specializing in Offshore Development<\/title>\n<meta name=\"description\" content=\"Language is not only used by people but even websites are using it. 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