{"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\/de\/blog\/news\/v-nochnyh-sborkah-firefox-zametno-uvelichena-proizvoditelnost-jit-kompilyaczii","title":{"rendered":"In den n\u00e4chtlichen Builds von Firefox wurde die Leistung der JIT-Kompilierung deutlich erh\u00f6ht.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In <noindex><a rel=\"nofollow\" href=\"https:\/\/nightly.mozilla.org\/\">Nachtbuilds<\/a><\/noindex> Firefox <noindex><a rel=\"nofollow\" href=\"https:\/\/groups.google.com\/g\/mozilla.dev.platform\/c\/1PHhxBxSehQ\/m\/V-tLMPftBQAJ\">ist Teil des Tools<\/a><\/noindex> aktualisierter JIT-Compiler, <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1613592\">entwickelt<\/a><\/noindex> unter dem Codenamen WarpBuilder. Um das neue JIT in about:config zu aktivieren, wird die Option &#171;javascript.options.warp&#187; vorgeschlagen.<br \/>\nEs ist anzumerken, dass WarpBuilder nur der erste Schritt auf dem Weg zur Einf\u00fchrung neuer Optimierungen im Browser ist, die im Laufe des n\u00e4chsten Jahres umgesetzt werden sollen.<\/p>\n<p>Der neue JIT erm\u00f6glicht eine Leistungssteigerung der JavaScript-Engine SpiderMonkey durch die Reduzierung der internen Typinformationen, die innerhalb der Engine verfolgt werden, und durch die Anwendung einer Technik zur Zwischenspeicherung von Zwischencode (CacheIR), die bereits <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51727\">vorgeschlagen wurde<\/a><\/noindex> im &#171;baseline&#187; Bytecode-Interpreter, der eine Zwischenposition zwischen dem herk\u00f6mmlichen Interpreter und dem vorab kompilierten JIT-Compiler einnimmt. Die vorgenommenen \u00c4nderungen haben es erm\u00f6glicht, die Architektur des JIT deutlich zu vereinfachen, die Reaktionsf\u00e4higkeit zu erh\u00f6hen, die Ladezeiten der Seite zu verk\u00fcrzen und den Speicherverbrauch zu reduzieren.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1613592\">Es wurde festgestellt<\/a><\/noindex>, was der neue JIT erm\u00f6glichte, viele Probleme des alten JIT IonBuilder zu l\u00f6sen, wie z. B.:<\/p>\n<ul>\n<li class=\"l\"> Komplexit\u00e4t der Implementierung und m\u00f6gliche Sicherheitsprobleme;\n<li class=\"l\"> Zus\u00e4tzliche Overheadkosten f\u00fcr Baseline\/C++-Code;\n<li class=\"l\"> \u00dcberm\u00e4\u00dfige Spezialisierung, die zu unn\u00f6tigen Neukompilationen f\u00fchrt;\n<li class=\"l\"> Erzeugung von Zwischencode. <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.mozilla.org\/IonMonkey\/MIR\">MIR<\/a><\/noindex>  (Middle-level IR) im Hauptstrom (in WarpBuilder wird die Hauptzusammenstellung des Zwischencodes in einen separaten Strom ausgelagert);\n<li class=\"l\"> Zus\u00e4tzlicher Speicherverbrauch zur Speicherung von Informationen \u00fcber Objekttypen und Gruppen (ObjectGroups).\n<\/ul>\n<p>Im Durchschnitt zeigt sich in Tests, die die Leistung basierend auf visuellen Metriken bewerten, eine Beschleunigung um 5-15% bei der Verwendung von WarpBuilder. Die Geschwindigkeit des Speedometer-Tests erh\u00f6hte sich um 10%. Tests auf echten Websites haben eine Verk\u00fcrzung der Ladezeit von Google Docs ergeben auf <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3cp6dAs\">20%<\/a><\/noindex>, die Kennzahl <noindex><a rel=\"nofollow\" href=\"https:\/\/web.dev\/speed-index\/\">SpeedIndex<\/a><\/noindex> verbesserte sich beim \u00d6ffnen des Android-Bereichs in Reddit um <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/2RUWdp8\">13%<\/a><\/noindex>, pdfpaint arbeitet schneller bei <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/2HtXb9W\">18%<\/a><\/noindex>. Der Speicherverbrauch im Test <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3j2VwGb\">tp6<\/a><\/noindex> sank um 8%. <noindex><a rel=\"nofollow\" href=\"https:\/\/mzl.la\/3kLbhSM\">Die Kennzahlen<\/a><\/noindex> der Statistiken in den Entwicklertools (devtools perf) zeigten ebenfalls einen R\u00fcckgang des Speicherverbrauchs um 8%.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Quelle: <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 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[&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 5.0.0.1 - 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\/de\/blog\/news\/v-nochnyh-sborkah-firefox-zametno-uvelichena-proizvoditelnost-jit-kompilyaczii\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" 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