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

Oded Gabbay oded.gabbay at gmail.com
Mon Sep 7 04:32:23 PDT 2015


On Sun, Sep 6, 2015 at 8:08 PM, Matt Turner <mattst88 at gmail.com> wrote:
> 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.

Matt, I'm not sure I understood what you are asking.
Could you please elaborate a bit more ?

Thanks,

          Oded


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