[Mesa-dev] [PATCH 0/7] Fix ralloc/rzalloc usage v2

[Martin Peres]

On 14/06/16 17:58, Juha-Pekka Heikkila wrote:
> Here is fixed version of this ralloc set. Now I got to run this on many
> different machines thanks to Mark Janes. There didn't show up any
> regressions on different gen hw. On my IVB I've been running also many
> different traces with Apitrace while having Valgrind running on background
> but Valgrind did seem to be happy with my changes.
>
> As a performance test I did shader-db compile runs 10 times and compare
> timing results against what Mesa master does on my IVB. To my surprise this
> does bring reasonable gain which also seem to be repeatable, on my IVB
> shader compile time is around 5% faster with these changes.

On my SKL gt2, I only get a 0.35% improvement (10 runs also).

Ministat says that there is no difference proven at 95% confidence and
0.35% at 90%. Adding 100 more runs overnight, we'll see what we get in 
the end.

Martin