Comment # 3
on bug 95474
from Jan Ziak
(In reply to Alex Deucher from comment #2) > Can you identify what component caused the regression? mesa? llvm? kernel? That is a good question, but I do not know the answer. Data: Kernel: 4.6.0 Kernel module: radeon.ko Resolution: 1920x1080 Game quality setting: Ultra CPU: A10-7850K CPU utilization: 120% (kernel-space is about 10% CPU) GPU: R9 390 GPU utilization (radeontop): >>>> 15% <<<< GPU performance level: forced max clocks Based on this, it seems that the user-space component (mesa + llvm) is the bottleneck.
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