BC, patching, low-level .
unpatched, visual glitches. ; .
ISA (Instruction Set Architecture, ) RDNA2 GPU GCN. ( ).
GCN! , GCN ( ), BC. = bye-bye BC ( native execution, emulation).
RDNA/Navi - - GCN tiled rasterizer ( efficiency ). post tiling ( /framebuffer efficient ).
:
GCN = GPU ISA
Polaris/RDNA = uarch ()
GCN ISA RDNA2 uarch, : Zen 2 CPU x86-64!
x86-64 = CPU ISA
Jaguar/Zen 2 =
; .
( ), ( , , ).
, efficient ( , efficiency regression).
/ISA BC requirements. BC ( PC, ).
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