{"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\/et\/blog\/news\/vulkan-drajver-radv-perevedyon-na-ispolzovanie-bekenda-kompilyaczii-shejderov-aco","title":{"rendered":"Vulkan draiver RADV on \u00fcmber l\u00fclitatud ACO varju kompileerimise taustale.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Mesa 20.2 versiooni loomisel kasutatavas koodibaasis on tehtud<\/a><\/noindex> RADV, AMD kiipide Vulkan-draiveri vahetamine, et kasutada vaikimisi tagurpidi, et kompileerida shaderid <ACO<\/a><\/noindex><, mida arendab Valve shaderi kompilaatori LLVM alternatiivina. Antud muudatus toob kaasa m\u00e4ngude j\u00f5udluse paranemise ja nende k\u00e4ivitamise aja l\u00fchendamise. Vanale tagurpidi naasmiseks on ette n\u00e4htud keskkonnamuutuja .<\/p>\n

RADV juhi \u00fcleminek uuele backendile sai v\u00f5imalikuks, kuna ACO j\u00f5udis funktsionaalsuse osas tasakaalu AMD poolt arendatud vanema backendiga, mis on endiselt kasutusel OpenGL juhi RadeonSI jaoks. Valve'i poolt l\u00e4biviidud testimine n\u00e4itas<\/a><\/noindex>, et ACO on peaaegu kaks korda kiiremini kui AMDGPU shaderite kompilaator ja n\u00e4itab m\u00f5nedes m\u00e4ngudes FPS-i kasvu, t\u00f6\u00f6tades RADV juhtudel.
\n

\"Vulkan<\/a><\/noindex><\/center>
\n
\"Vulkan<\/a><\/noindex><\/center><\/p>\n

ACO backend keskendub m\u00e4ngu rakenduste shaderite jaoks v\u00f5imalikult optimaalse koodi genereerimisele ning v\u00e4ga k\u00f5rge kompileerimise kiiruse saavutamisele. ACO on kirjutatud C++ keeles, arendatud JIT-kompileerimise toetamiseks ja kasutab kiireid andmestruktuure, v\u00e4ltides viitetele p\u00f5hinevaid struktuure. Koodi vaheosad p\u00f5hinevad t\u00e4ielikult SSA-l (Static Single Assignment) ja v\u00f5imaldavad registrite jaotust, arvutades eelnevalt registri t\u00e4pselt shaderi p\u00f5hjal. <\/p>\n

Lisaks: Praegu t\u00f6\u00f6tab ACO ainult Vulkan-juhi Mesa RADV jaoks. Kuid ACO arendajad see on t\u00f5si<\/a><\/noindex>, et nende j\u00e4rgmine samm on t\u00f6\u00f6tada ACO v\u00f5imaluste laiendamise nimel, et toetada ka OpenGL juhi RadeonSI, et tulevikus saaks ACO asendada ka LLVM shaderite kompilaatorit.<\/p>\n

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

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

\u0412 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u0435, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u044b\u043f\u0443\u0441\u043a\u0430 Mesa 20.2, \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u0435\u043d\u043e \u043f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 RADV, Vulkan-\u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 \u0434\u043b\u044f \u0447\u0438\u043f\u043e\u0432 AMD, \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0431\u044d\u043a\u0435\u043d\u0434\u0430 \u0434\u043b\u044f \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 \u0448\u0435\u0439\u0434\u0435\u0440\u043e\u0432 «ACO«, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Valve \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u044b \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0443 \u0448\u0435\u0439\u0434\u0435\u0440\u043e\u0432 LLVM. \u0423\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0432\u0435\u0434\u0451\u0442 \u043a \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u044e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0438\u0433\u0440 \u0438 \u0441\u043e\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u044e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0438\u0445 \u0437\u0430\u043f\u0443\u0441\u043a\u0430. \u0414\u043b\u044f \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0441\u0442\u0430\u0440\u043e\u0433\u043e \u0431\u044d\u043a\u0435\u043d\u0434\u0430 \u043f\u0440\u0435\u0434\u0443\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u0430 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f «RADV_DEBUG=llvm». 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