[Bug 111090] 3% perf drop in GfxBench Manhattan 3.0, 3.1 and CarChase test-cases
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Jul 11 12:40:53 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=111090
--- Comment #9 from Chris Wilson <chris at chris-wilson.co.uk> ---
e8f06c34fa: median of 30 manhattan runs, 1327.5289306640625 (score)
8991a80f85: median of 30 manhattan runs, 1327.635986328125
using ezbench, gfxbench3, bxt J3455, 1920x1080 fullscreen, bare Xorg
perf doesn't suggest any contention in the kernel, and does not appear to be
ratelimited by i915.ko submission overhead, i.e. if it was the locking changes
I expected that to be reflected in the perf profile of i915.ko. Hmm.
The system does have a pair of dimm, and so I hope dual-channel!
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