{"id":183621,"date":"2026-10-05T22:54:28","date_gmt":"2026-10-05T20:54:29","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/inzhener-iz-nvidia-protestiroval-uroven-zaderzhek-pri-ispolzovanii-wayland-i-x-org"},"modified":"2026-10-05T22:54:35","modified_gmt":"2026-10-05T20:54:35","slug":"nvidia-engineer-tests-latency-on-wayland-and-x-org","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/nvidia-engineer-tests-latency-on-wayland-and-x-org","title":{"rendered":"En ingenj\u00f6r fr\u00e5n NVIDIA har testat latensniv\u00e5erna vid anv\u00e4ndning av Wayland och X.Org","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kamil \u0141ysik, som arbetar p\u00e5 NVIDIA, talade p\u00e5 konferensen XDC 2026 och presenterade resultat fr\u00e5n tester av latens i GNOME 49.7 (mutter) och KDE 6.7.4 (kwin) n\u00e4r man anv\u00e4nder X.Org Server och Wayland. Koden som anv\u00e4ndes i unders\u00f6kningen publicerades under MIT-licensen. <\/p>\n

Sammanfattningsvis \u00e4r slutsatserna att skillnaderna i respons \u00e4r obetydliga och det \u00e4r sv\u00e5rt att utse en ensam vinnare. Enligt Kamil har inmatningshantering och s\u00e4ttet att organisera utdata till sk\u00e4rmen st\u00f6rst inverkan p\u00e5 latensen. Teknologin f\u00f6r adaptiv uppdateringsfrekvens (VRR) n\u00e4mndes s\u00e4rskilt, vars aktivering avsev\u00e4rt har f\u00f6rb\u00e4ttrat responsen. Det diskuterades ocks\u00e5 l\u00f6sningar p\u00e5 latensproblem som tidigare hade uppst\u00e5tt vid anv\u00e4ndning av XWayland \u2013 i den nya koden f\u00f6r XWayland har inga extra latenser observerats. <\/p>\n

Den f\u00f6reslagna metoden f\u00f6r att bed\u00f6ma gr\u00e4nssnittets responsivitet liknar en studie som genomf\u00f6rdes i juli av Marc Net. Precis som i den tidigare studien anv\u00e4ndes en speciell h\u00e5rdvaruenhet baserad p\u00e5 mikrokontrollern ESP32-S3 f\u00f6r att exakt m\u00e4ta tiden fr\u00e5n tangenttryckning till f\u00f6r\u00e4ndring av information p\u00e5 sk\u00e4rmen. En fotodiod kopplades f\u00f6r att registrera f\u00f6r\u00e4ndringar i ljusstyrkan hos en punkt p\u00e5 sk\u00e4rmen, och USB-tangentbordets funktion simulerades. F\u00f6r visning anv\u00e4ndes NVIDIA GeForce RTX 5070 och LG 27GN950. Systemet k\u00f6rde Linux-k\u00e4rnan 7.1.7 och en upps\u00e4ttning propriet\u00e4ra NVIDIA-drivrutiner 610.57.04.

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K\u00e4lla: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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