{"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\/ro\/blog\/news\/vulkan-drajver-radv-perevedyon-na-ispolzovanie-bekenda-kompilyaczii-shejderov-aco","title":{"rendered":"Driver-ul Vulkan RADV a fost tradus pentru utilizarea backend-ului de compilare a shader-elor ACO.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00cen baza de cod utilizat\u0103 pentru generarea versiunii Mesa 20.2, s-a realizat<\/a><\/noindex> comutarea RADV, driverului Vulkan pentru cipurile AMD, la utilizarea backend-ului implicit pentru compilarea shader-elor <ACO<\/a><\/noindex><, care este dezvoltat de compania Valve ca alternativ\u0103 la compilatorul de shader-e LLVM. Aceast\u0103 modificare va duce la cre\u0219terea performan\u021bei jocurilor \u0219i la reducerea timpului de \u00eenc\u0103rcare. Pentru a reveni la vechiul backend, este disponibil\u0103 o variabil\u0103 de mediu .<\/p>\n

Comutarea driverului RADV la noul backend a devenit posibil\u0103 dup\u0103 ce ACO a atins paritatea func\u021bionalit\u0103\u021bii cu vechiul backend dezvoltat de AMD pentru driverul AMDGPU, care continu\u0103 s\u0103 fie utilizat \u00een driverul OpenGL RadeonSI. Testarea efectuat\u0103 de Valve a ar\u0103tat<\/a><\/noindex>, arat\u0103 c\u0103 ACO este aproape de dou\u0103 ori mai rapid dec\u00e2t compilatorul de shadere AMDGPU \u00een ceea ce prive\u0219te viteza de compilare \u0219i demonstreaz\u0103 o cre\u0219tere a FPS-ului \u00een unele jocuri atunci c\u00e2nd sunt rulate pe sisteme cu driverul RADV.
\n

\"Driver-ul<\/a><\/noindex><\/center>
\n
\"Driver-ul<\/a><\/noindex><\/center><\/p>\n

Backend-ul ACO este orientat c\u0103tre asigurarea gener\u0103rii de cod c\u00e2t mai optim pentru shaderele aplica\u021biilor de jocuri, precum \u0219i atingerea unei viteze de compilare foarte mari. ACO este scris \u00een C++, fiind dezvoltat av\u00e2nd \u00een vedere aplicabilitatea pentru JIT-compilare \u0219i folose\u0219te structuri de date rapide pentru itera\u021bie, evit\u00e2nd structuri bazate pe pointeri. Reprezentarea intermediar\u0103 a codului se bazeaz\u0103 complet pe SSA (Static Single Assignment) \u0219i permite distribuirea registrelor, calcul\u00e2nd cu precizie registrul \u00een func\u021bie de shader. <\/p>\n

Anex\u0103: \u00cen prezent, ACO func\u021bioneaz\u0103 doar pentru driverul Vulkan Mesa RADV. Dar dezvoltatorii ACO c\u0103<\/a><\/noindex>, au declarat c\u0103 urm\u0103torul lor pas va fi s\u0103 \u00eenceap\u0103 lucr\u0103rile pentru extinderea func\u021bionalit\u0103\u021bilor ACO pentru a asigura suport pentru driverul OpenGL RadeonSI, astfel \u00eenc\u00e2t \u00een viitor ACO s\u0103 poat\u0103 \u00eenlocui compilatorul de shadere LLVM \u0219i pentru acest driver.<\/p>\n

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

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

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