{"id":95274,"date":"2020-09-27T13:42:11","date_gmt":"2020-09-27T11:42:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-nochnyh-sborkah-firefox-zametno-uvelichena-proizvoditelnost-jit-kompilyaczii"},"modified":"2020-09-27T13:42:11","modified_gmt":"2020-09-27T11:42:11","slug":"v-nochnyh-sborkah-firefox-zametno-uvelichena-proizvoditelnost-jit-kompilyaczii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/v-nochnyh-sborkah-firefox-zametno-uvelichena-proizvoditelnost-jit-kompilyaczii","title":{"rendered":"\u00cen versiunile nocturne ale Firefox, performan\u021ba compil\u0103rii JIT a crescut semnificativ","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00cen <noindex><a rel=\"nofollow\" href=\"https:\/\/nightly.mozilla.org\/\">versiuni nocturne<\/a><\/noindex> Firefox <noindex><a rel=\"nofollow\" href=\"https:\/\/groups.google.com\/g\/mozilla.dev.platform\/c\/1PHhxBxSehQ\/m\/V-tLMPftBQAJ\">inclus<\/a><\/noindex> compilator JIT actualizat, <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1613592\">dezvoltat<\/a><\/noindex> sub codul WarpBuilder. Pentru a activa noul JIT \u00een about:config, a fost propus\u0103 op\u021biunea &#171;javascript.options.warp&#187;.<br \/>\nSe remarc\u0103 faptul c\u0103 WarpBuilder este doar primul pas pe calea activ\u0103rii unor noi optimiz\u0103ri \u00een browser, care sunt planificate s\u0103 fie implementate \u00een urm\u0103torul an.<\/p>\n<p>Noul JIT permite cre\u0219terea performan\u021bei motorului JavaScript SpiderMonkey prin reducerea informa\u021biilor interne despre tipuri, urm\u0103rite \u00een interiorul motorului, \u0219i aplicarea tehnicii de cache a codului intermediar (CacheIR), propuse anterior <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51727\">\u00een interpretorul de bytecode \u201ebaseline\u201d, care ocup\u0103 o pozi\u021bie intermediar\u0103 \u00eentre interpretorul obi\u0219nuit \u0219i compilatorul JIT prealabil. Schimb\u0103rile men\u021bionate au permis simplificarea semnificativ\u0103 a arhitecturii JIT, \u00eembun\u0103t\u0103\u021bind responsivitatea, reduc\u00e2nd timpul de \u00eenc\u0103rcare a paginilor \u0219i sc\u0103z\u00e2nd consumul de memorie.<\/a><\/noindex> \u00een &#171;baseline&#187; interpretul de bytecode, care ocup\u0103 un loc intermediar \u00eentre interpretul obi\u0219nuit \u0219i compilatorul JIT. Modific\u0103rile specificate au permis simplificarea semnificativ\u0103 a arhitecturii JIT, \u00eembun\u0103t\u0103\u021birea r\u0103spunsului, reducerea timpului de \u00eenc\u0103rcare a paginii \u0219i diminuarea consumului de memorie.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1613592\">Se observ\u0103<\/a><\/noindex>Complexitatea implement\u0103rii \u0219i problemele poten\u021biale de securitate;<\/p>\n<ul>\n<li class=\"l\"> Cheltuieli suplimentare pentru codul Baseline\/C++;\n<li class=\"l\"> Specializare excesiv\u0103, duc\u00e2nd la recompil\u0103ri inutile;\n<li class=\"l\"> Generarea codului intermediar\n<li class=\"l\"> MIR <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.mozilla.org\/IonMonkey\/MIR\">(Middle-level IR) \u00eentr-un fir principal (\u00een WarpBuilder, generarea principal\u0103 a codului intermediar a fost mutat\u0103 \u00eentr-un fir separat);<\/a><\/noindex>  Cheltuieli suplimentare de memorie pentru stocarea datelor despre tipuri \u0219i grupuri de obiecte (ObjectGroups).\n<li class=\"l\"> \u00cen medie, \u00een teste care evalueaz\u0103 performan\u021ba pe baza metricilor vizuale, utilizarea WarpBuilder a adus o accelerare de 5-15%. Viteza de trecere a testului Speedometer a crescut cu 10%. Testarea pe site-uri reale a ar\u0103tat o reducere a timpului de \u00eenc\u0103rcare Google Docs cu\n<\/ul>\n<p>, indicele <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3cp6dAs\">20%<\/a><\/noindex>SpeedIndex <noindex><a rel=\"nofollow\" href=\"https:\/\/web.dev\/speed-index\/\">c\u00e2nd se deschide sec\u021biunea Android \u00een Reddit s-a \u00eembun\u0103t\u0103\u021bit cu<\/a><\/noindex> , pdfpaint a func\u021bionat mai repede pe <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/2RUWdp8\">13%<\/a><\/noindex>. Consumul de memorie \u00een testul <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/2HtXb9W\">18%<\/a><\/noindex>tp6 <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3j2VwGb\">a sc\u0103zut cu 8%.<\/a><\/noindex> Metricile <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3kLbhSM\">statisticii din instrumentele pentru dezvoltatori (devtools perf) au ar\u0103tat, de asemenea, o reducere a consumului de memorie cu 8%.<\/a><\/noindex> \u00cen versiunile nocturne Firefox<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53789\">opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043d\u043e\u0447\u043d\u044b\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 Firefox \u0432\u043a\u043b\u044e\u0447\u0451\u043d \u043e\u0431\u043d\u043e\u0432\u043b\u0451\u043d\u043d\u044b\u0439 JIT-\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u044b\u0439 \u043f\u043e\u0434 \u043a\u043e\u0434\u043e\u0432\u044b\u043c \u0438\u043c\u0435\u043d\u0435\u043c WarpBuilder. \u0414\u043b\u044f \u0430\u043a\u0442\u0438\u0432\u0430\u0446\u0438\u0438 \u043d\u043e\u0432\u043e\u0433\u043e JIT \u0432 about:config \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0430 \u043e\u043f\u0446\u0438\u044f &#171;javascript.options.warp&#187;. \u041e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e WarpBuilder \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043b\u0438\u0448\u044c \u043f\u0435\u0440\u0432\u044b\u043c \u0448\u0430\u0433\u043e\u043c \u043d\u0430 \u043f\u0443\u0442\u0438 \u043a \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044e \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440 \u043d\u043e\u0432\u044b\u0445 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0432 \u0442\u0435\u0447\u0435\u043d\u0438\u0435 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0433\u043e \u0433\u043e\u0434\u0430. \u041d\u043e\u0432\u044b\u0439 JIT \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c JavaScript-\u0434\u0432\u0438\u0436\u043a\u0430 SpiderMonkey \u0437\u0430 \u0441\u0447\u0451\u0442 \u0441\u043e\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 [&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-95274","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043d\u043e\u0447\u043d\u044b\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 Firefox\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/ro\/blog\/news\/v-nochnyh-sborkah-firefox-zametno-uvelichena-proizvoditelnost-jit-kompilyaczii\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2.1\" \/>\n\t\t<meta property=\"og:locale\" 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