Comment # 33
on bug 82050
from Michel Dänzer
(In reply to comment #28) > > I submitted the change reverting the behaviour of PIPE_USAGE_STREAM for > > review, but it's strange: I couldn't notice any significant difference in > > stutter in Valley regardless of any of these changes. Also, according to GALLIUM_HUD=requested-VRAM+VRAM-usage,requested-GTT+GTT-usage, Valley only seems to allocate about 10-20 MB for streaming BOs, so I'm not sure why putting them in VRAM or not makes such a big difference for you. > > BTW, what CPU are you using? > > It's an AMD Phenom II x4 965be. I assume the chipset for that doesn't support PCIe 3.0, does it? I wonder if maybe streaming BOs should be in VRAM with PCIe 3.0 but not with PCIe 2.0.
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