{"id":86564,"date":"2020-06-27T01:42:06","date_gmt":"2020-06-26T23:42:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vulkan-drajver-radv-perevedyon-na-ispolzovanie-bekenda-kompilyaczii-shejderov-aco"},"modified":"2020-06-27T01:42:06","modified_gmt":"2020-06-26T23:42:06","slug":"vulkan-drajver-radv-perevedyon-na-ispolzovanie-bekenda-kompilyaczii-shejderov-aco","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/vulkan-drajver-radv-perevedyon-na-ispolzovanie-bekenda-kompilyaczii-shejderov-aco","title":{"rendered":"Driver Vulkan RADV zosta\u0142 przystosowany do u\u017cywania backendu kompilacji shader\u00f3w ACO","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

W kodzie u\u017cywanym do generowania wydania Mesa 20.2, zrealizowano<\/a><\/noindex> prze\u0142\u0105czenie RADV, sterownika Vulkan dla chip\u00f3w AMD, na domy\u015blne u\u017cycie backendu do kompilacji shader\u00f3w «ACO<\/a><\/noindex>«, kt\u00f3ry jest rozwijany przez firm\u0119 Valve jako alternatywa dla kompilatora shader\u00f3w LLVM. Wprowadzenie tej zmiany zwi\u0119kszy wydajno\u015b\u0107 gier i skr\u00f3ci czas ich uruchamiania. Aby powr\u00f3ci\u0107 do starego backendu, dost\u0119pna jest zmienna \u015brodowiskowa «RADV_DEBUG=llvm».<\/p>\n

Prze\u0142\u0105czenie sterownika RADV na nowy backend sta\u0142o si\u0119 mo\u017cliwe po osi\u0105gni\u0119ciu w ACO parytetu funkcjonalno\u015bci ze starym backendem, opracowanym przez AMD dla sterownika AMDGPU, kt\u00f3ry nadal jest u\u017cywany w sterowniku OpenGL RadeonSI. Przeprowadzone przez firm\u0119 Valve testy pokaza\u0142y<\/a><\/noindex>, wykaza\u0142y, \u017ce ACO prawie dwukrotnie przewy\u017csza kompilator shader\u00f3w AMDGPU pod wzgl\u0119dem szybko\u015bci kompilacji i pokazuje zwi\u0119kszenie FPS w niekt\u00f3rych grach dzia\u0142aj\u0105cych na systemach z sterownikiem RADV.
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\"Driver<\/a><\/noindex><\/center>
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\"Driver<\/a><\/noindex><\/center><\/p>\n

Backend ACO ma na celu zapewnienie generacji kodu, kt\u00f3ry jest mo\u017cliwie najbardziej optymalny dla shader\u00f3w aplikacji gier, a tak\u017ce osi\u0105gni\u0119cie bardzo wysokiej szybko\u015bci kompilacji. ACO zosta\u0142o napisane w C++, jest rozwijane z my\u015bl\u0105 o mo\u017cliwo\u015bciach stosowania do JIT-kompilacji i wykorzystuje szybkie do przeszukiwania struktury danych, unikaj\u0105c struktur opartych na wska\u017anikach. Po\u015brednia reprezentacja kodu opiera si\u0119 w pe\u0142ni na SSA (Static Single Assignment) i pozwala na przeprowadzanie alokacji rejestr\u00f3w, precyzyjnie obliczaj\u0105c rejestr w zale\u017cno\u015bci od shadera. <\/p>\n

Dodatkowo: Na chwil\u0119 obecn\u0105 ACO dzia\u0142a tylko dla sterownika Vulkan Mesa RADV. Ale tw\u00f3rcy ACO potwierdzili<\/a><\/noindex>, zapowiadaj\u0105, \u017ce ich kolejnym krokiem b\u0119dzie rozpocz\u0119cie pracy nad rozszerzeniem mo\u017cliwo\u015bci ACO w celu zapewnienia wsparcia dla sterownika OpenGL RadeonSI, aby w przysz\u0142o\u015bci ACO mog\u0142o zast\u0105pi\u0107 domy\u015blny kompilator shader\u00f3w LLVM tak\u017ce dla tego sterownika.<\/p>\n

<\/a><\/noindex><\/p>\n

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

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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":86565,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-86564","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\udd47Sterownik Vulkan RADV przetworzony na u\u017cycie backendu do kompilacji shader\u00f3w ACO | ProHoster","description":"W kodzie u\u017cywanym do generowania wydania Mesa 20.2 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