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authorVille Syrjälä <ville.syrjala@linux.intel.com>2015-01-21 19:38:00 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-01-27 09:51:10 +0100
commite7fc24362c6262eb3b528256a1f33c31864448fd (patch)
tree09880f8e10d1935633c9c01768d61a925fefb4b8 /tools/perf/scripts/python/export-to-postgresql.py
parenteb973a5e1b780f9f7e1b5b676aaaac75492989bf (diff)
drm/i915: Change CHV WIZ hashing mode to 16x4
I ran a few tests with xonotic and synmark2 trying out the different WIZ hashing modes on CHV. The results seem to match the results I got with IVB/HSW when I did the similar tests on them in the past. That is 16x4 is generally the fastest mode, 8x8 comes next and finally 8x4. On CHV the difference between the modes is at most ~1% in most tests. IIRC on IVB/HSW the difference was a little bigger, but as there doesn't seem to be any real downside to 16x4 let's use it by default. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Arun Siluvery <arun.siluvery@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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