{"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 \u00fcle viidud shaderite kompileerimise ACO tagak\u00fclje kasutamisele.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Mesa 20.2 versiooni genereerimiseks kasutatavas koodibaasis on teostatud<\/a><\/noindex> RADV l\u00fclitamine, Vulkan-draiverite kasutamine AMD kiipide jaoks vaikimisi shaderite kompileerimise taustal,ACO<\/a><\/noindex>mille arendab ettev\u00f5te Valve shaderite kompilaatori LLVM alternatiivina. Antud muudatus toob kaasa m\u00e4ngude j\u00f5udluse suurenemise ja nende k\u00e4ivitamise aja l\u00fchenemise. Vanale taustale naasmiseks on ette n\u00e4htud keskkonnamuutuja \"RADV_DEBUG=llvm.\"<\/p>\n

RADV draiveri \u00fcleminek uuele backend'ile sai v\u00f5imalikuks p\u00e4rast ACO funktsionaalsuse saavutamist, mis on vanale AMD poolt AMDGPU draiverile v\u00e4lja arendatud backend'ile samav\u00e4\u00e4rne ning mida j\u00e4tkuvalt kasutatakse OpenGL draiveris RadeonSI. Valve'i l\u00e4biviidud testimine n\u00e4itas<\/a><\/noindex>, et ACO \u00fcletab AMDGPU \u0161aderite kompilaatori peaaegu kahekordselt kompileerimiskiiruselt ja n\u00e4itab FPS-i t\u00f5usu m\u00f5nes m\u00e4ngus, t\u00f6\u00f6tades RADV draiveriga s\u00fcsteemides.
\n

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

ACO backend keskendub koodigeneratsiooni optimeerimisele v\u00f5imalikult madalate \u0161aderite jaoks ja v\u00e4ga k\u00f5rgele kompileerimiskiirusel. ACO on kirjutatud C++ keeles, arendatud silmas pidades JIT-kompileerimise v\u00f5imalust ja kasutab andmestructuure, mis on kiireteks j\u00e4rjestusteks, v\u00e4ltides n\u00e4itajatep\u00f5hiseid struktuure. Koodide vahepealne esitus p\u00f5hineb t\u00e4ielikult SSA-l (Static Single Assignment) ja v\u00f5imaldab registreerimise jaotust, eelnevalt registreerides t\u00e4pselt s\u00f5ltuvalt \u0161aderist. <\/p>\n

T\u00e4iendav info: Praegu t\u00f6\u00f6tab ACO ainult Mesa RADV Vulkan-draiveri jaoks. Kuid ACO arendajad nad<\/a><\/noindex>, et nende j\u00e4rgmine samm on ACO v\u00f5imaluste laiendamine OpenGL draiveri RadeonSI toetamiseks, et tulevikus saaks ACO asendada selle draiveri puhul vaikimisi LLVM \u0161aderite kompilaatori.<\/p>\n

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

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

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