{"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\/cs\/blog\/news\/vulkan-drajver-radv-perevedyon-na-ispolzovanie-bekenda-kompilyaczii-shejderov-aco","title":{"rendered":"Vulkan ovlada\u010d RADV byl p\u0159eveden na pou\u017eit\u00ed backendu pro kompilaci shader\u016f ACO","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V k\u00f3dov\u00e9 z\u00e1kladn\u011b pou\u017eit\u00e9 pro sestaven\u00ed vyd\u00e1n\u00ed Mesa 20.2, bylo provedeno<\/a><\/noindex> p\u0159epnut\u00ed RADV, Vulkan ovlada\u010de pro \u010dipy AMD na pou\u017eit\u00ed v\u00fdchoz\u00edho backendu pro kompilaci shader\u016f <ACO<\/a><\/noindex><, kter\u00fd se vyv\u00edj\u00ed spole\u010dnost\u00ed Valve jako alternativu k LLVM shaderov\u00e9mu kompil\u00e1toru. Uveden\u00e1 zm\u011bna povede ke zlep\u0161en\u00ed v\u00fdkonu her a zkr\u00e1cen\u00ed doby jejich spu\u0161t\u011bn\u00ed. Pro n\u00e1vrat ke star\u00e9mu backendu byla ur\u010dena prom\u011bnn\u00e1 prost\u0159ed\u00ed .<\/p>\n

P\u0159epnut\u00ed ovlada\u010de RADV na nov\u00fd backend bylo mo\u017en\u00e9 po dosa\u017een\u00ed paritn\u00ed funk\u010dnosti v ACO ve srovn\u00e1n\u00ed se star\u00fdm backendem, kter\u00fd vyvinula AMD pro ovlada\u010d AMDGPU, jen\u017e se nad\u00e1le pou\u017e\u00edv\u00e1 v OpenGL ovlada\u010di RadeonSI. Testov\u00e1n\u00ed proveden\u00e9 spole\u010dnost\u00ed Valve uk\u00e1zala<\/a><\/noindex>, uk\u00e1zalo, \u017ee ACO t\u00e9m\u011b\u0159 dvakr\u00e1t p\u0159ekon\u00e1v\u00e1 kompil\u00e1tor shader\u016f AMDGPU co do rychlosti kompilace a vykazuje zv\u00fd\u0161en\u00ed FPS v n\u011bkter\u00fdch hr\u00e1ch p\u0159i jejich provozu na syst\u00e9mech s ovlada\u010dem RADV.
\n

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

Backend ACO je zam\u011b\u0159en na poskytov\u00e1n\u00ed co nejoptim\u00e1ln\u011bj\u0161\u00edho generov\u00e1n\u00ed k\u00f3du pro shadery hern\u00edch aplikac\u00ed a tak\u00e9 na dosa\u017een\u00ed velmi vysok\u00e9 rychlosti kompilace. ACO je naps\u00e1n v jazyce C++, vyv\u00edjen\u00fd s ohledem na mo\u017enost pou\u017eit\u00ed pro JIT-kompilaci a vyu\u017e\u00edv\u00e1 rychl\u00e9 struktury dat, vyh\u00fdbaj\u00edc\u00ed se struktur\u00e1m na b\u00e1zi ukazatel\u016f. Mezisouborov\u00e9 p\u0159edstaven\u00ed k\u00f3du je pln\u011b zalo\u017eeno na SSA (Static Single Assignment) a umo\u017e\u0148uje prov\u00e1d\u011bt alokaci registr\u016f, p\u0159esn\u011b p\u0159edv\u00fdpo\u010dtem registru na z\u00e1klad\u011b shaderu. <\/p>\n

Dopl\u0148uj\u00edc\u00ed informace: V sou\u010dasnosti ACO funguje pouze pro Vulkan ovlada\u010d Mesa RADV. Ale v\u00fdvoj\u00e1\u0159i ACO potvrdili<\/a><\/noindex>, \u017ee jejich dal\u0161\u00edm krokem bude za\u010d\u00edt pracovat na roz\u0161\u00ed\u0159en\u00ed mo\u017enost\u00ed ACO pro podporu OpenGL ovlada\u010de RadeonSI, aby v budoucnosti mohl ACO nahradit jako v\u00fdchoz\u00ed kompil\u00e1tor shader\u016f LLVM i pro tento ovlada\u010d.<\/p>\n

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

Zdroj: 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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