{"id":114919,"date":"2024-04-08T18:06:42","date_gmt":"2024-04-08T16:06:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/oczenka-vliyaniya-optimizaczij-v-gnome-46-na-effektivnost-raboty-emulyatorov-terminala"},"modified":"2024-04-08T18:06:42","modified_gmt":"2024-04-08T16:06:45","slug":"oczenka-vliyaniya-optimizaczij-v-gnome-46-na-effektivnost-raboty-emulyatorov-terminala","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/oczenka-vliyaniya-optimizaczij-v-gnome-46-na-effektivnost-raboty-emulyatorov-terminala","title":{"rendered":"Evaluatie van de impact van optimalisaties in GNOME 46 op de prestaties van terminalemulators","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>De resultaten van de effectiviteitscontrole van de optimalisaties die zijn toegevoegd aan de VTE (Virtual Terminal library) zijn gepubliceerd, en deze maken deel uit van de release van GNOME 46. Tijdens de tests is de responsiviteit van de interface gemeten in de terminalemulators Alacritty, Console (GTK 4), GNOME Terminal (GTK 3 en 4) en de VTE Test App (een voorbeeld uit de VTE-repository), uitgevoerd op Fedora 39 met GNOME 45 en op Fedora 40-beta met GNOME 46. De Alacritty-applicatie maakt geen gebruik van de VTE-bibliotheek en is gekozen als referentie, omdat het, op basis van eerdere tests, een van de snelste terminalemulators blijkt te zijn. Voor de metingen werd een hardware-sensor gebaseerd op de Teensy-module gebruikt, die de tijd tussen het indrukken van de knop en het verschijnen van informatie op het scherm meet.      <\/p>\n<p>De VTE-bibliotheek biedt een kant-en-klaar GTK-widget dat wordt gebruikt in verschillende terminalemulators voor GNOME, waaronder GNOME Terminal, Console, Black Box, Tilix, Terminator en Ptyxis. In versie GNOME 46 zijn de interne structuren van VTE aanzienlijk herzien, wat, volgens de ontwikkelaars, heeft geleid tot versnelling van de bewerkingen, waarbij de prestatiewinst in de tests tot 40% opliep. Praktisch gezien hebben de optimalisaties geleid tot een vermindering van de vertragingen bij het renderen in configuraties met GTK 4. Eerder waren de vertragingen bij toetsaanslagen in Console en GNOME Terminal merkbaar, wat veel gebruikers afschrikte om de standaard terminalemulators voor GNOME te gebruiken. Met de VTE 0.76-versie is dit probleem verholpen.          <\/p>\n<p>Onafhankelijk uitgevoerd testen hebben een merkbare vermindering van inputvertragingen in applicaties gebaseerd op VTE bevestigd. Dit is waargenomen in zowel eenvoudige als complexe scenario's van terminalgebruik. Bijvoorbeeld, bij het gebruik van neovim zijn de inputvertragingen van terminalemulators op basis van VTE teruggebracht tot het niveau van de snelste terminal, Alacritty. In een specifiek testscenario, gerelateerd aan het gebruik van de tool &quot;cat&quot;, daalde de reactietijd op toetsaanslagen in Console en GNOME Terminal van 40 naar 12 ms, terwijl in de scrolltest in neovim de vertraging ging van 45 naar 23 ms.       <center><img decoding=\"async\" alt=\"Evaluatie van de impact van optimalisaties in GNOME 46 op de prestaties van terminalemulators\" src=\"\/wp-content\/uploads\/2024\/04\/3df112fd8e3696c354fb85db60af9c8e.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <center><img decoding=\"async\" alt=\"Evaluatie van de impact van optimalisaties in GNOME 46 op de prestaties van terminalemulators\" src=\"\/wp-content\/uploads\/2024\/04\/3ea85ff2416d91f58458c11c22075ef4.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <center><img decoding=\"async\" alt=\"Evaluatie van de impact van optimalisaties in GNOME 46 op de prestaties van terminalemulators\" src=\"\/wp-content\/uploads\/2024\/04\/05fd7d53ac546ca17de8057e8a737191.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>De verbetering van de prestaties bij het gebruik van de nieuwe versie van de VTE-bibliotheek is ook waargenomen in de testset vtebench, die niet de invoervertragingen meet, maar de leertijd van het PTY-apparaat en de parsingprestaties (tests van de scrollsnelheid en cursorverplaatsing). In de meeste tests overtreft de Alacritty-terminal de Console en GNOME Terminal, maar het tempo van de laatsten is nu minder uitgesproken dan voorheen. Een deel van de vertraging van GNOME Terminal kan worden toegeschreven aan overheadkosten voor ondersteuning van toegankelijkheidsfuncties.               <center><img decoding=\"async\" alt=\"Evaluatie van de impact van optimalisaties in GNOME 46 op de prestaties van terminalemulators\" src=\"\/wp-content\/uploads\/2024\/04\/915a43575eb6c9537084b5ef2b8b6b1c.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Bron: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60952\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0439, \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 VTE (Virtual TErminal library) \u0438 \u0432\u043e\u0448\u0435\u0434\u0448\u0438\u0445 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u0440\u0435\u043b\u0438\u0437\u0430 GNOME 46. \u041f\u0440\u0438 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0438\u0437\u043c\u0435\u0440\u0435\u043d\u0430 \u043e\u0442\u0437\u044b\u0432\u0447\u0438\u0432\u043e\u0441\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 \u0432 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0430\u0445 \u0442\u0435\u0440\u043c\u0438\u043d\u0430\u043b\u0430 Alacritty, Console (GTK 4), GNOME Terminal (GTK 3 \u0438 4) \u0438 VTE Test App (\u043f\u0440\u0438\u043c\u0435\u0440 \u0438\u0437 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044f VTE), \u043f\u0440\u0438 \u0438\u0445 \u0437\u0430\u043f\u0443\u0441\u043a\u0435 \u0432 Fedora 39 \u0441 GNOME 45 \u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":114920,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-114919","post","type-post","status-publish","format-standard","has-post-thumbnail","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0439, 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