Paul Berry <stereotype...@gmail.com> writes: > On 12 December 2012 00:02, Eric Anholt <e...@anholt.net> wrote: > >> Paul Berry <stereotype...@gmail.com> writes: >> >> > This patch series adds varying packing to Mesa, so that we can handle >> > varyings composed of things other than vec4's without using up extra >> > varying components. >> >> Results for glbenchmark 2.7 at 320x240 (units of fps): >> >> N Min Max Median Avg Stddev >> x 109 86 87 86 86.027523 0.16435709 >> + 109 86 87 87 86.963303 0.18888589 >> Difference at 95.0% confidence >> 0.93578 +/- 0.0470052 >> 1.08777% +/- 0.0546397% >> (Student's t, pooled s = 0.177047) >> >> I chose a tiny resolution here to try and focus on the path that we >> think this will help in (clipping overhead reduction). The stupid app >> prints an integer fps, so it can be hard to get any signal out of small >> changes at higher resolutions. >> > > I'm not sure which line is with varying packing and which line is without. > Is this an improvement or a performance degradation?
Oops, I usually paste the other two lines too. It's before and after, so 1% improvement.
pgp2rcAoRr7YU.pgp
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