{"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":"ottenere-il-parallelismo-dei-fili-legati-rubino-mri-io","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/it\/blog\/roro\/ottenere-il-parallelismo-dei-fili-legati-rubino-mri-io\/","title":{"rendered":"Come ottenere il parallelismo con Ruby MRI con thread associati a I\/O"},"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 lingua non \u00e8 usata solo dalle persone, ma anche dai siti web. Il linguaggio \u00e8 uno dei problemi principali che i programmatori si trovano ad affrontare, soprattutto quando si tratta di Ruby. Le prestazioni offerte da Ruby possono essere uno dei motivi per cui i programmatori non vorrebbero utilizzare il linguaggio. A causa delle lamentele sulle prestazioni di Ruby, ci\u00f2 dimostra solo che il framework \u00e8 in ritardo rispetto ad altri framework utilizzati oggi dai programmatori. Anche se questi problemi si sono verificati a causa di Ruby, \u00e8 facile da usare.<\/p>\n\n<h2>La domanda sar\u00e0 sempre: come si pu\u00f2 raggiungere il parallelismo con la risonanza magnetica di Ruby?<\/h2>\n<p align=\"justify\">Per rispondere, la soluzione migliore \u00e8 avere i thread legati 1\/0. I thread possono influenzare il parallelismo osservato oggi nei processori. La Ruby MRI \u00e8 nota per non essere sostenitrice del parallelismo. Anche se hai molti thread, con Ruby MRI, solo un thread verr\u00e0 eseguito continuamente ed \u00e8 a causa di GIL.<\/p>\n<p align=\"justify\">Ci sono affermazioni trovate secondo cui Ruby MRI non aiuter\u00e0 a raggiungere il parallelismo ed \u00e8 tutto a causa di GIL, che \u00e8 responsabile dell&#039;imposizione di restrizioni sui fili. Per questo motivo, le persone pensano che il Rubino sia inutile e non sia di grande aiuto per raggiungere il parallelismo. Queste affermazioni potrebbero essere sufficientemente vere se si utilizzano operazioni legate alla CPU. Perch\u00e9? Quando si utilizzano le operazioni legate alla CPU, una prestazione eccezionale non sar\u00e0 mai evidente e avr\u00e0 sempre prestazioni basse ed \u00e8 tutto perch\u00e9 la pianificazione dei thread \u00e8 gestita dallo spazio utente e GIL gioca un ruolo importante poich\u00e9 \u00e8 quello che limita il discussioni.<\/p>\n<p align=\"justify\">Contrariamente a queste affermazioni, i thread legati all&#039;I\/O sono quelli che aiutano a consentire a Ruby MRI di raggiungere il parallelismo. La velocit\u00e0 dei thread associati all&#039;I\/O \u00e8 limitata dall&#039;I\/O presente nei computer. Quello che gestisce i thread legati all&#039;I\/O \u00e8 l&#039;interprete Ruby che si trova nello spazio del kernel. Poich\u00e9 l&#039;interprete Ruby si trova esternamente, i thread associati all&#039;I\/O possono essere eseguiti liberamente poich\u00e9 non sono presenti restrizioni e potranno essere eseguiti in parallelo perch\u00e9 GIL non \u00e8 presente. Lo spazio del kernel \u00e8 responsabile della pianificazione dei thread associati all&#039;I\/O che ne consentir\u00e0 l&#039;esecuzione continua su numerosi hub.<\/p>\n<p align=\"justify\">Se vuoi che i tuoi thread funzionino e raggiungano il parallelismo senza alcuna restrizione, Ruby MRI con thread associati a I\/O \u00e8 l&#039;opzione migliore. A differenza dell&#039;utilizzo delle operazioni legate alla CPU, \u00e8 probabile che tu possa incontrare molte restrizioni nel tuo thread perch\u00e9 GIL \u00e8 presente. Non importa quanti thread hai, se GIL esiste, solo un thread pu\u00f2 essere eseguito contemporaneamente. Tuttavia, se utilizzi Ruby MRI con thread associati a I\/O, le tue prestazioni possono migliorare e raggiungeranno sicuramente il parallelismo. Inoltre, se stai lavorando su un&#039;attivit\u00e0 associata a I\/O, Ruby MRI con thread associati a I\/O fa al caso tuo perch\u00e9 pu\u00f2 essere eseguita in parallelismo e non ti impedir\u00e0 di avere pi\u00f9 thread. Ricorda solo che i tuoi thread dovrebbero essere sempre al sicuro.<\/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\" data-id=\"68711a4c\" 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The language is one of the main problems that programmers are facing especially when Ruby\u2019s is the matter. The performance that Ruby\u2019s gives can be one of the reasons why programmers would not want to use the language. Because of the complaints &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.railscarma.com\/it\/blog\/how-to-build-a-scalable-saas-platform-using-ruby-on-rails\/\"> <span class=\"screen-reader-text\">Come costruire una piattaforma SaaS scalabile usando Ruby on Rails<\/span> Leggi altro \"<\/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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