{"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\/sv\/blog\/news\/v-nochnyh-sborkah-firefox-zametno-uvelichena-proizvoditelnost-jit-kompilyaczii","title":{"rendered":"Prestandan f\u00f6r JIT-kompilering har \u00f6kat m\u00e4rkbart i nattsamlingarna av Firefox","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I <noindex><a rel=\"nofollow\" href=\"https:\/\/nightly.mozilla.org\/\">nattbyggnader<\/a><\/noindex> Firefox <noindex><a rel=\"nofollow\" href=\"https:\/\/groups.google.com\/g\/mozilla.dev.platform\/c\/1PHhxBxSehQ\/m\/V-tLMPftBQAJ\">p\u00e5slagen<\/a><\/noindex> den uppdaterade JIT-kompilatorn, <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1613592\">utvecklas<\/a><\/noindex> \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;.<br \/>\nDet noteras att WarpBuilder bara \u00e4r det f\u00f6rsta steget mot att inkludera nya optimeringar i webbl\u00e4saren, som planeras att implementeras under det kommande \u00e5ret.<\/p>\n<p>Den nya JIT till\u00e5ter att f\u00f6rb\u00e4ttra prestandan hos JavaScript-motorn SpiderMonkey genom att minska den interna informationen om typer som sp\u00e5ras inom motorn och till\u00e4mpa tekniken f\u00f6r cachelagring av mellanliggande kod (CacheIR), tidigare <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51727\">f\u00f6reslagen<\/a><\/noindex> \u0432 &#171;baseline&#187; \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0435 \u0431\u0430\u0439\u0442\u043a\u043e\u0434\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u0443\u044e \u043d\u0438\u0448\u0443 \u043c\u0435\u0436\u0434\u0443 \u043e\u0431\u044b\u0447\u043d\u044b\u043c \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u043e\u043c \u0438 \u043f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c  JIT-\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u043e\u043c. \u0423\u043a\u0430\u0437\u0430\u043d\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043b\u0438 \u0437\u0430\u043c\u0435\u0442\u043d\u043e \u0443\u043f\u0440\u043e\u0441\u0442\u0438\u0442\u044c \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0443 JIT, \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u043e\u0442\u0437\u044b\u0432\u0447\u0438\u0432\u043e\u0441\u0442\u044c, \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u0432\u0440\u0435\u043c\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b \u0438 \u0441\u043d\u0438\u0437\u0438\u0442\u044c \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1613592\">Det noterades<\/a><\/noindex>, vilket den nya JIT har gjort m\u00f6jligt att l\u00f6sa m\u00e5nga problem med den gamla JIT IonBuilder, s\u00e5som:<\/p>\n<ul>\n<li class=\"l\"> Komplexiteten i implementeringen och potentiella s\u00e4kerhetsproblem;\n<li class=\"l\"> Ytterligare overhead f\u00f6r Baseline\/C+-koden;\n<li class=\"l\"> \u00d6verdriven specialisering som leder till on\u00f6diga omkompileringar;\n<li class=\"l\"> Generering av mellanliggande kod <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.mozilla.org\/IonMonkey\/MIR\">MIR<\/a><\/noindex>  i huvudtr\u00e5den (i WarpBuilder har den huvudsakliga genereringen av mellanliggande kod flyttats till en separat tr\u00e5d);\n<li class=\"l\"> Ytterligare minnesanv\u00e4ndning f\u00f6r lagring av data om typer och objektgrupper (ObjectGroups).\n<\/ul>\n<p>I genomsnitt har tester som bed\u00f6mer prestanda baserat p\u00e5 visuella m\u00e4tningar visat en hastighets\u00f6kning p\u00e5 5-15% vid anv\u00e4ndning av WarpBuilder. Hastigheten p\u00e5 Speedometer-testet \u00f6kade med 10%. Tester p\u00e5 verkliga webbplatser visade en minskning av laddningstiden f\u00f6r Google Docs med <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3cp6dAs\">20%<\/a><\/noindex>, indikatorn <noindex><a rel=\"nofollow\" href=\"https:\/\/web.dev\/speed-index\/\">SpeedIndex<\/a><\/noindex> vid \u00f6ppning av Android-delen i Reddit f\u00f6rb\u00e4ttrades med <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/2RUWdp8\">13%<\/a><\/noindex>, pdfpaint fungerade snabbare med <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/2HtXb9W\">18%<\/a><\/noindex>. Minnesf\u00f6rbrukningen i testet <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3j2VwGb\">tp6<\/a><\/noindex> s\u00e4nktes med 8%. <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3kLbhSM\">Statistikdata i utvecklarverktyg (devtools perf) visade ocks\u00e5 en minskning av minnesanv\u00e4ndningen med 8%.<\/a><\/noindex> \ud83e\udd47I de nattliga versionerna av Firefox har JIT-kompileringens prestanda avsev\u00e4rt \u00f6kat | ProHoster<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>K\u00e4lla: <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, \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 5.0.4 - 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\/sv\/blog\/news\/v-nochnyh-sborkah-firefox-zametno-uvelichena-proizvoditelnost-jit-kompilyaczii\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" 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