[Pixman] [PATCH 07/12] vmx: implement fast path vmx_composite_over_n_8_8888

[Siarhei Siamashka]

On Thu,  2 Jul 2015 13:04:12 +0300
Oded Gabbay <oded.gabbay at gmail.com> wrote:

> POWER8, 8 cores, 3.4GHz, RHEL 7.1 ppc64le.
> 
> reference memcpy speed = 24764.8MB/s (6191.2MP/s for 32bpp fills)
> 
>                 Before           After           Change
>               ---------------------------------------------
> L1              90.21           133.21           +47.67%
> L2              94.91           132.95           +40.08%
> M               95.49           132.53           +38.79%
> HT              88.07           100.43           +14.03%
> VT              86.65           112.45           +29.77%
> R               82.77           96.25            +16.29%
> RT              65.64           55.14            -16.00%
> Kops/s          673             580              -13.82%
> 
> cairo trimmed benchmarks :
> 
> Speedups
> ========
> t-firefox-asteroids     533.92  -> 495.51  :  1.08x
> 
> Slowdowns
> =========
> t-poppler               364.99  -> 393.72  :  1.08x
> t-firefox-canvas-alpha  984.55  -> 1197.85 :  1.22x
> 
> Signed-off-by: Oded Gabbay <oded.gabbay at gmail.com>

Acked-by: Siarhei Siamashka <siarhei.siamashka at gmail.com>

-- 
Best regards,
Siarhei Siamashka