[Pixman] [PATCH 06/12] vmx: implement fast path vmx_composite_over_n_8888_8888_ca

Siarhei Siamashka siarhei.siamashka at gmail.com
Tue Jul 14 01:41:25 PDT 2015


On Thu,  2 Jul 2015 13:04:11 +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              61.92            244.91          +295.53%
> L2              62.74            243.3           +287.79%
> M               63.03            241.94          +283.85%
> HT              59.91            144.22          +140.73%
> VT              59.4             174.39          +193.59%
> R               53.6             111.37          +107.78%
> RT              37.99            46.38           +22.08%
> Kops/s          436              506             +16.06%
> 
> cairo trimmed benchmarks :
> 
> Speedups
> ========
> t-xfce4-terminal-a1  1540.37 -> 1226.14 :  1.26x
> t-firefox-talos-gfx  1488.59 -> 1209.19 :  1.23x
> 
> Slowdowns
> =========
>         t-evolution  553.88  -> 581.63  :  1.05x
>           t-poppler  364.99  -> 383.79  :  1.05x
> t-firefox-scrolling  1223.65 -> 1304.34 :  1.07x
> 
> Signed-off-by: Oded Gabbay <oded.gabbay at gmail.com>

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

-- 
Best regards,
Siarhei Siamashka


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