{"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\/pl\/blog\/news\/v-nochnyh-sborkah-firefox-zametno-uvelichena-proizvoditelnost-jit-kompilyaczii","title":{"rendered":"W nocnych kompilacjach Firefox zauwa\u017calnie zwi\u0119kszono wydajno\u015b\u0107 kompilacji JIT.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>W <noindex><a rel=\"nofollow\" href=\"https:\/\/nightly.mozilla.org\/\">nocne wydania<\/a><\/noindex> Firefox <noindex><a rel=\"nofollow\" href=\"https:\/\/groups.google.com\/g\/mozilla.dev.platform\/c\/1PHhxBxSehQ\/m\/V-tLMPftBQAJ\">w\u0142\u0105czono<\/a><\/noindex> zaktualizowany kompilator JIT, <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1613592\">rozwijany<\/a><\/noindex> znany pod nazw\u0105 WarpBuilder. Aby aktywowa\u0107 nowy JIT w about:config, zaproponowano opcj\u0119 &#171;javascript.options.warp&#187;.<br \/>\nZauwa\u017cono, \u017ce WarpBuilder to dopiero pierwszy krok w kierunku w\u0142\u0105czenia nowych optymalizacji do przegl\u0105darki, kt\u00f3re planowane s\u0105 na nast\u0119pny rok.<\/p>\n<p>Nowy JIT pozwala na zwi\u0119kszenie wydajno\u015bci silnika JavaScript SpiderMonkey poprzez skr\u00f3cenie wewn\u0119trznych informacji o typach, \u015bledzonych w silniku, oraz zastosowanie techniki cache'owania kodu po\u015bredniego (CacheIR), wcze\u015bniej <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51727\">proponowanej<\/a><\/noindex> w &#171;baseline&#187; interpreterze bajtowym, kt\u00f3ry zajmuje po\u015bredni\u0105 nisz\u0119 mi\u0119dzy zwyk\u0142ym interpreterskim a wst\u0119pnym kompilatorem JIT. Wprowadzone zmiany znacznie upro\u015bci\u0142y architektur\u0119 JIT, poprawi\u0142y responsywno\u015b\u0107, skr\u00f3ci\u0142y czas \u0142adowania strony oraz zmniejszy\u0142y zu\u017cycie pami\u0119ci.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1613592\">Zauwa\u017cono<\/a><\/noindex>, co nowy JIT pozwoli\u0142 rozwi\u0105za\u0107 wiele problem\u00f3w starego JIT IonBuilder, takich jak:<\/p>\n<ul>\n<li class=\"l\"> Skomplikowana implementacja i potencjalne problemy z bezpiecze\u0144stwem;\n<li class=\"l\"> Dodatkowe koszty dla kodu Baseline\/C++;\n<li class=\"l\"> Nadmierna specjalizacja prowadz\u0105ca do niepotrzebnych rekopilacji;\n<li class=\"l\"> Tworzenie kodu po\u015bredniego <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.mozilla.org\/IonMonkey\/MIR\">MIR<\/a><\/noindex>  (Middle-level IR) w g\u0142\u00f3wnym w\u0105tku (w WarpBuilder g\u0142\u00f3wna kompilacja kodu po\u015bredniego zosta\u0142a przeniesiona do osobnego w\u0105tku);\n<li class=\"l\"> Dodatkowe zu\u017cycie pami\u0119ci na przechowywanie danych o typach i grupach obiekt\u00f3w (ObjectGroups).\n<\/ul>\n<p>W testach oceniaj\u0105cych wydajno\u015b\u0107 na podstawie wizualnych metryk, przy u\u017cyciu WarpBuilder zaobserwowano przyspieszenie o 5-15%. Pr\u0119dko\u015b\u0107 testu Speedometer zwi\u0119kszy\u0142a si\u0119 o 10%. Testowanie na rzeczywistych stronach wykaza\u0142o skr\u00f3cenie czasu \u0142adowania Google Docs o <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3cp6dAs\">20%<\/a><\/noindex>, wska\u017anik <noindex><a rel=\"nofollow\" href=\"https:\/\/web.dev\/speed-index\/\">SpeedIndex<\/a><\/noindex> przy otwieraniu sekcji Android w Reddit poprawi\u0142 si\u0119 o <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/2RUWdp8\">13%<\/a><\/noindex>, pdfpaint dzia\u0142a\u0142 szybciej o <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/2HtXb9W\">18%<\/a><\/noindex>. Zu\u017cycie pami\u0119ci w te\u015bcie <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3j2VwGb\">tp6<\/a><\/noindex> spad\u0142o o 8%. <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3kLbhSM\">Wska\u017aniki<\/a><\/noindex> statystyk w narz\u0119dziach dla deweloper\u00f3w (devtools perf) r\u00f3wnie\u017c wykaza\u0142y spadek zu\u017cycia pami\u0119ci o 8%.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53789\">opennet.ru<\/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, 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\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 5.0.1.1 - 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\/pl\/blog\/news\/v-nochnyh-sborkah-firefox-zametno-uvelichena-proizvoditelnost-jit-kompilyaczii\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" 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