[Pixman] [PATCH 1/4] vmx: optimize scaled_nearest_scanline_vmx_8888_8888_OVER

Matt Turner mattst88 at gmail.com
Sun Sep 6 10:08:06 PDT 2015


On Sun, Sep 6, 2015 at 8:27 AM, Oded Gabbay <oded.gabbay at gmail.com> wrote:
> reference memcpy speed = 24847.3MB/s (6211.8MP/s for 32bpp fills)
>
>                 Before          After           Change
>               --------------------------------------------
> L1              182.05          210.22         +15.47%
> L2              180.6           208.92         +15.68%
> M               180.52          208.22         +15.34%

There's no variation between L1, L2, and M -- as a follow on, it might
be interesting to experiment with unrolling the loop a bit. Looked
like the other patches in this series show the same behavior.


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