{"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\/hu\/blog\/news\/vulkan-drajver-radv-perevedyon-na-ispolzovanie-bekenda-kompilyaczii-shejderov-aco","title":{"rendered":"A Vulkan RADV illeszt\u0151program a shader ford\u00edt\u00f3 backendre val\u00f3 v\u00e1lt\u00e1sra ker\u00fclt.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A 20.2-es Mesa kiad\u00e1s\u00e1nak el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz haszn\u00e1lt k\u00f3dalapban megval\u00f3sult<\/a><\/noindex> az AMD chipekhez val\u00f3 Vulkan-illeszt\u0151programok RADV-re t\u00f6rt\u00e9n\u0151 \u00e1t\u00e1ll\u00edt\u00e1sa a shader-k\u00f3dok ford\u00edt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges h\u00e1tt\u00e9r be\u00e1ll\u00edt\u00e1s\u00e1raACO<\/a><\/noindex>, amelyet a Valve fejlesztett ki az LLVM shader-compiler alternat\u00edv\u00e1jak\u00e9nt. A megadott v\u00e1ltoztat\u00e1s jav\u00edtani fogja a j\u00e1t\u00e9kok teljes\u00edtm\u00e9ny\u00e9t \u00e9s cs\u00f6kkenti a bet\u00f6lt\u00e9si id\u0151t. A r\u00e9gi h\u00e1tt\u00e9r haszn\u00e1lat\u00e1nak vissza\u00e1ll\u00edt\u00e1s\u00e1hoz az \"RADV_DEBUG=llvm\" k\u00f6rnyezeti v\u00e1ltoz\u00f3 be\u00e1ll\u00edt\u00e1sa sz\u00fcks\u00e9ges.<\/p>\n

A RADV meghajt\u00f3 \u00faj backendre t\u00f6rt\u00e9n\u0151 \u00e1t\u00e1ll\u00e1sa akkor v\u00e1lt lehet\u0151v\u00e9, amikor az ACO el\u00e9rte a funkci\u00f3k parity-j\u00e1t a r\u00e9gi AMD \u00e1ltal fejlesztett backendhez k\u00e9pest, amely tov\u00e1bbra is alkalmaz\u00e1sban van az OpenGL RadeonSI meghajt\u00f3ban. A Valve \u00e1ltal v\u00e9gzett tesztel\u00e9s megmutatta<\/a><\/noindex>, hogy az ACO majdnem k\u00e9tszer olyan gyorsan ford\u00edt, mint az AMDGPU shader ford\u00edt\u00f3ja, \u00e9s n\u00e9h\u00e1ny j\u00e1t\u00e9k eset\u00e9ben FPS n\u00f6veked\u00e9st mutat a RADV meghajt\u00f3val m\u0171k\u00f6d\u0151 rendszereken.
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\"A<\/a><\/noindex><\/center>
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\"A<\/a><\/noindex><\/center><\/p>\n

Az ACO backend c\u00e9lja, hogy a lehet\u0151 legoptim\u00e1lisabb k\u00f3dot gener\u00e1lja a j\u00e1t\u00e9kalkalmaz\u00e1sok shaderjeihez, valamint hogy nagyon magas ford\u00edt\u00e1si sebess\u00e9get \u00e9rjen el. Az ACO C++ nyelven \u00edr\u00f3dott, figyelembe veszi a JIT ford\u00edt\u00e1s lehet\u0151s\u00e9g\u00e9t, \u00e9s gyors, k\u00f6nnyen kereshet\u0151 adatstrukt\u00far\u00e1kat haszn\u00e1l, elker\u00fclve a mutat\u00f3alap\u00fa strukt\u00far\u00e1kat. A k\u00f3d k\u00f6ztes reprezent\u00e1ci\u00f3ja teljes m\u00e9rt\u00e9kben SSA (Statikus Egys\u00e9ges Attrib\u00faci\u00f3) alap\u00fa, lehet\u0151v\u00e9 t\u00e9ve a regiszterek pontos el\u0151rel\u00e1tott kisz\u00e1m\u00edt\u00e1s\u00e1t a shader f\u00fcggv\u00e9ny\u00e9ben. <\/p>\n

Megjegyz\u00e9s: Jelenleg az ACO csak a Vulkan Mesa RADV meghajt\u00f3n m\u0171k\u00f6dik. De az ACO fejleszt\u0151i meger\u0151s\u00edtett\u00e9k<\/a><\/noindex>, hogy a k\u00f6vetkez\u0151 l\u00e9p\u00e9s\u00fck az lesz, hogy elkezdik az ACO k\u00e9pess\u00e9geinek b\u0151v\u00edt\u00e9s\u00e9t az OpenGL RadeonSI meghajt\u00f3 t\u00e1mogat\u00e1s\u00e1nak biztos\u00edt\u00e1sa \u00e9rdek\u00e9ben, hogy a j\u00f6v\u0151ben az ACO alap\u00e9rtelmezett shader ford\u00edt\u00f3k\u00e9nt helyettes\u00edthesse a LLVM-t ezen a meghajt\u00f3n is.<\/p>\n

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

Forr\u00e1s: 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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