r200 exa performance regression in xserver-1.6?

[Dave Airlie]

On Thu, Mar 26, 2009 at 3:15 PM, Daniel Kasak
<daniel.kasak at 247realmedia.com> wrote:
> Hi all.
>
> I've brought an old r200 card out of retirement to bring some bling to
> my work desktop. I was running xserver-1.5.something with an integrated
> nvidia card. I did an upgrade to xserver-1.6, mesa-7.4-rc1 and
> xf86-video-radeon-6.12.0.
>
> I don't have any figures for previous software on this hardware, but I
> can say that back when I was using this card at home on my old server,
> it used to *fly* - particularly after the exa-zero-copy-tfp landed. I
> certainly didn't get jumpiness or pauses like I'm getting now.
>
> So anyway, I'm running ecomorph ( compiz port for E17 ), and most of the
> effects are very slow and jumpy.
>

Try

Option "AccelDFS" "true"

Dave.

> I did a quick sysprof test while switching desktops, and it looks like
> it's all in memcpy:
>
> miClearToBackground                                         0.00  77.45
>  miPaintWindow                                             0.00  77.45
>    ValidateGC                                              0.00  77.45
>      In file /usr/bin/Xorg                                 0.00  77.45
>        In file /usr/lib/xorg/modules/libexa.so             0.00  77.45
>          exaPrepareAccessGC                                0.00  77.45
>            exaPrepareAccess                                0.00  77.45
>              exaPrepareAccessReg                           0.00  77.45
>                exaDoMigration                              0.00  77.45
>                  In file /usr/lib/xorg/modules/libexa.so   0.00  77.45
>                    memcpy                                 77.45  77.45
>
> Full sysprof output: http://entropy.homelinux.org/r200_exa.sysprof
> X log: http://entropy.homelinux.org/Xorg.0.log
>
> I can do more extensive testing later. I suppose next is to actually go
> back to an earlier xserver and test, right?
>
> Dan
>
>
>
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