{"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\/hu\/blog\/news\/v-nochnyh-sborkah-firefox-zametno-uvelichena-proizvoditelnost-jit-kompilyaczii","title":{"rendered":"A Firefox nightly verzi\u00f3iban jelent\u0151sen megn\u00f6vekedett a JIT-k\u00f3dol\u00f3 teljes\u00edtm\u00e9nye.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A <noindex><a rel=\"nofollow\" href=\"https:\/\/nightly.mozilla.org\/\">\u00c9jszakai build-ek<\/a><\/noindex> Firefox <noindex><a rel=\"nofollow\" href=\"https:\/\/groups.google.com\/g\/mozilla.dev.platform\/c\/1PHhxBxSehQ\/m\/V-tLMPftBQAJ\">bekapcsolva<\/a><\/noindex> friss\u00edtett JIT-kompil\u00e1tor, <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1613592\">fejlesztve<\/a><\/noindex> a WarpBuilder k\u00f3dnev alatt. Az \u00faj JIT aktiv\u00e1l\u00e1s\u00e1hoz az about:config-ben a &#171;javascript.options.warp&#187; opci\u00f3 javasolt.<br \/>\nMegjegyzend\u0151, hogy a WarpBuilder csup\u00e1n az els\u0151 l\u00e9p\u00e9s a b\u00f6ng\u00e9sz\u0151 \u00faj optimaliz\u00e1l\u00e1sainak bevezet\u00e9s\u00e9hez, amelyeket a k\u00f6vetkez\u0151 \u00e9vben terveznek megval\u00f3s\u00edtani.<\/p>\n<p>Az \u00faj JIT lehet\u0151v\u00e9 teszi a SpiderMonkey JavaScript-motor teljes\u00edtm\u00e9ny\u00e9nek n\u00f6vel\u00e9s\u00e9t a bels\u0151 t\u00edpinform\u00e1ci\u00f3k cs\u00f6kkent\u00e9s\u00e9vel, amelyeket a motor nyomon k\u00f6vet, \u00e9s a k\u00f6ztes k\u00f3d cache-ol\u00e1si technika (CacheIR) alkalmaz\u00e1s\u00e1val, amely kor\u00e1bban <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51727\">javasolt<\/a><\/noindex> a &#171;baseline&#187; b\u00e1jtk\u00f3d-\u00e9rtelmez\u0151ben, amely k\u00f6zvet\u00edt\u0151 szerepet t\u00f6lt be a hagyom\u00e1nyos \u00e9rtelmez\u0151 \u00e9s az el\u0151zetes JIT-compiler k\u00f6z\u00f6tt. A megadott m\u00f3dos\u00edt\u00e1sok jelent\u0151sen egyszer\u0171s\u00edtett\u00e9k a JIT architekt\u00far\u00e1j\u00e1t, jav\u00edtott\u00e1k a v\u00e1laszkezd\u00e9st, cs\u00f6kkentett\u00e9k az oldalbet\u00f6lt\u00e9si id\u0151t \u00e9s cs\u00f6kkentett\u00e9k a mem\u00f3riafogyaszt\u00e1st.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1613592\">Megjegyzend\u0151<\/a><\/noindex>, hogy az \u00faj JIT sz\u00e1mos probl\u00e9m\u00e1t megoldott a r\u00e9gi JIT IonBuilderrel kapcsolatban, p\u00e9ld\u00e1ul:<\/p>\n<ul>\n<li class=\"l\"> A megval\u00f3s\u00edt\u00e1s bonyolults\u00e1ga \u00e9s a potenci\u00e1lis biztons\u00e1gi probl\u00e9m\u00e1k;\n<li class=\"l\"> Tov\u00e1bbi k\u00f6lts\u00e9gek a Baseline\/C++ k\u00f3d sz\u00e1m\u00e1ra;\n<li class=\"l\"> Felesleges specializ\u00e1ci\u00f3, amely felesleges \u00fajrakompil\u00e1l\u00e1sokhoz vezet;\n<li class=\"l\"> K\u00f6ztes k\u00f3d gener\u00e1l\u00e1sa <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.mozilla.org\/IonMonkey\/MIR\">MIR<\/a><\/noindex>  (K\u00f6z\u00e9pszint\u0171 IR) a f\u0151 sz\u00e1lon (a WarpBuilderben a k\u00f6ztes k\u00f3d f\u0151 \u00f6sszegy\u0171jt\u00e9s\u00e9t k\u00fcl\u00f6n sz\u00e1lba helyezt\u00e9k);\n<li class=\"l\"> Tov\u00e1bbi mem\u00f3riafelhaszn\u00e1l\u00e1s az objektumt\u00edpusok \u00e9s csoportok (ObjectGroups) adatinak t\u00e1rol\u00e1s\u00e1ra.\n<\/ul>\n<p>\u00c1tlagosan a vizu\u00e1lis metrik\u00e1k alap\u00fa teljes\u00edtm\u00e9nym\u00e9r\u00e9sek sor\u00e1n a WarpBuilder haszn\u00e1lat\u00e1val 5-15% sebess\u00e9gn\u00f6veked\u00e9st figyeltek meg. A Speedometer teszt \u00e1thalad\u00e1si sebess\u00e9ge 10%-kal n\u0151tt. Val\u00f3di weboldalakon v\u00e9gzett tesztel\u00e9s sor\u00e1n a Google Docs bet\u00f6lt\u00e9si ideje cs\u00f6kkent <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3cp6dAs\">20%<\/a><\/noindex>, amely mutat\u00f3 <noindex><a rel=\"nofollow\" href=\"https:\/\/web.dev\/speed-index\/\">SpeedIndex<\/a><\/noindex> az Android szekci\u00f3 megnyit\u00e1sakor a Redditen javult <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/2RUWdp8\">13%<\/a><\/noindex>, a pdfpaint gyorsabban m\u0171k\u00f6d\u00f6tt <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/2HtXb9W\">18%<\/a><\/noindex>. A tp6 tesztben a mem\u00f3riafogyaszt\u00e1s 8%-kal cs\u00f6kkent. <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3j2VwGb\">A fejleszt\u0151i eszk\u00f6z\u00f6k (devtools perf) statisztik\u00e1i szint\u00e9n 8%-os mem\u00f3riafogyaszt\u00e1s-cs\u00f6kken\u00e9st mutattak.<\/a><\/noindex> \ud83e\udd47A Firefox \u00e9jszakai buildjeiben jelent\u0151sen megn\u00f6vekedett a JIT-kompil\u00e1ci\u00f3 teljes\u00edtm\u00e9nye | ProHoster <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3kLbhSM\">Mutat\u00f3k<\/a><\/noindex> A statisztik\u00e1k a fejleszt\u0151i eszk\u00f6z\u00f6kben (devtools perf) szint\u00e9n 8%-os mem\u00f3riafogyaszt\u00e1s-cs\u00f6kken\u00e9st mutattak.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <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 5.0.3 - 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\" 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