{"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\/pl\/blog\/news\/oczenka-vliyaniya-optimizaczij-v-gnome-46-na-effektivnost-raboty-emulyatorov-terminala","title":{"rendered":"Ocena wp\u0142ywu optymalizacji w GNOME 46 na wydajno\u015b\u0107 emulacji terminala","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Opublikowano wyniki analizy efektywno\u015bci optimizacji wprowadzonych do biblioteki VTE (Virtual Terminal library), kt\u00f3re znalaz\u0142y si\u0119 w wydaniu GNOME 46. Podczas test\u00f3w mierzono responsywno\u015b\u0107 interfejsu w emulatorach terminala Alacritty, Console (GTK 4), GNOME Terminal (GTK 3 i 4) oraz VTE Test App (przyk\u0142ad z repozytorium VTE), uruchamianych w Fedora 39 z GNOME 45 oraz w Fedora 40(beta) z GNOME 46. Aplikacja Alacritty nie korzysta z biblioteki VTE i zosta\u0142a wybrana jako wzorzec, poniewa\u017c wed\u0142ug wcze\u015bniejszych test\u00f3w jest jednym z najszybszych emulator\u00f3w terminala. Do pomiaru u\u017cywano czujnika sprz\u0119towego opartego na p\u0142ytce Teensy, kt\u00f3ry mierzy\u0142 czas mi\u0119dzy naci\u015bni\u0119ciem przycisku a pojawieniem si\u0119 informacji na ekranie. <\/p>\n

Biblioteka VTE zapewnia gotowy wid\u017cet GTK, kt\u00f3ry jest u\u017cywany w r\u00f3\u017cnych emulatorach terminala dla GNOME, w tym GNOME Terminal, Console, Black Box, Tilix, Terminator i Ptyxis. W wersji GNOME 46 w VTE znacz\u0105co przeredagowano struktury wewn\u0119trzne, co, wed\u0142ug oceny deweloper\u00f3w, doprowadzi\u0142o do przyspieszenia operacji, kt\u00f3rych wzrost wydajno\u015bci w testach osi\u0105gn\u0105\u0142 40%. Z praktycznego punktu widzenia, optymalizacje prowadzi\u0142y do zmniejszenia op\u00f3\u017anie\u0144 przy rysowaniu w konfiguracjach z GTK 4. Wcze\u015bniej op\u00f3\u017anienia przy wpisywaniu w Console i GNOME Terminal by\u0142y odczuwalne, co zniech\u0119ca\u0142o wielu u\u017cytkownik\u00f3w do korzystania ze standardowych emulator\u00f3w terminala dla GNOME. Przy u\u017cyciu wersji VTE 0.76 problem ten zosta\u0142 rozwi\u0105zany. <\/p>\n

Niezale\u017cne testy potwierdzi\u0142y znaczn\u0105 redukcj\u0119 op\u00f3\u017anie\u0144 wprowadzania danych w aplikacjach opartych na VTE, co obserwuje si\u0119 nie tylko w prostych, ale tak\u017ce w z\u0142o\u017conych scenariuszach u\u017cycia terminali. Na przyk\u0142ad, podczas korzystania z neovim op\u00f3\u017anienia wprowadzania w emulatorach terminala opartych na VTE zmniejszy\u0142y si\u0119 do poziomu najszybszego terminala Alacritty. W szczeg\u00f3lno\u015bci w te\u015bcie zwi\u0105zanym z u\u017cywaniem narz\u0119dzia «cat», czas reakcji na naci\u015bni\u0119cia klawiszy w Console i GNOME Terminal zmniejszy\u0142 si\u0119 z 40 do 12 ms, a w te\u015bcie przewijania w neovim \u2014 z 45 do 23 ms.

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Przyspieszenie dzia\u0142ania dzi\u0119ki nowej wersji biblioteki VTE zosta\u0142o r\u00f3wnie\u017c odnotowane w zestawie test\u00f3w vtebench, kt\u00f3ry mierzy nie op\u00f3\u017anienia wprowadzenia, ale czas odczytu z urz\u0105dzenia PTY oraz wydajno\u015b\u0107 analizy (testy pr\u0119dko\u015bci przewijania i poruszania kursorem). W wi\u0119kszo\u015bci test\u00f3w vtebench terminal Alacritty wyprzedza Console i GNOME Terminal, ale r\u00f3\u017cnice w wydajno\u015bci ostatnich nie s\u0105 ju\u017c tak wyra\u017ane jak wcze\u015bniej. Cz\u0119\u015bciowo op\u00f3\u017anienie GNOME Terminal jest wyja\u015bnione kosztami wsparcia dla os\u00f3b z ograniczeniami (dost\u0119pno\u015b\u0107).

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\u0179r\u00f3d\u0142o: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 […]<\/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\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Ocena wp\u0142ywu optymalizacji w GNOME 46 na efektywno\u015b\u0107 dzia\u0142ania emulator\u00f3w terminala | ProHoster","description":"Opublikowano wyniki oceny efektywno\u015bci optymalizacji dodanych do biblioteki VTE (Virtual Terminal library), kt\u00f3re zosta\u0142y uwzgl\u0119dnione w wydaniu GNOME 46.","canonical_url":"https:\/\/prohoster.info\/pl\/blog\/news\/oczenka-vliyaniya-optimizaczij-v-gnome-46-na-effektivnost-raboty-emulyatorov-terminala","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pl_PL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u0446\u0435\u043d\u043a\u0430 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