Andre Werthmann wrote:
>
> >> I'm using a linux-2.2.13 kernel with a kernel patch from
> >> "http://people.redhat.com/dledford/linux_kernel.html" written
> >> by Doug Ledford ([EMAIL PROTECTED]).
> >
> >im getting crashes with this one after ~1 hr .. the fpu stack gets
> >messed up somehow..
>
> I'm working with the patched Linux Kernel for the PIII and I have not seen any
>problem so far.
>
> By the way: I have now implemented all the transform_points3_* functions (raw and
>masked) in PIII-assembly ;)
> I also have written the functions transform_v16, project_vertsand
>project_clipped_verts in assembly
> using the new PIII SIMD-instructions.
>
> The bad thing is, that I don't see any difference in fps (q3test/gears) when I run
>these programs with assembly
> completely disabled (no mmx/fpu/katmai assembly) or with assembly (mmx/fpu/katmai)
>support enabled.
> In q3test I get 12.7 fps (q3demo1) with asm and exactly the same without asm !
> Could it be so, because I use a voodoo1 ? Is the card to slow to handle the speed of
>a P3 450Mhz ?
You may want to consider using a lower resolution in q3test or gears. If your
application is fill-rate limited, which might be the case, using a lower
resolution will shift the balance towards the geometry performance, which is what
interests you.
Keith
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