|
|
Raf256 schrieb:
> Hi,
> I just recompiled PovRAy 3.6 using not default GCC 3.2 and -march=i686,
> but gcc-4.0 and -march=k8 (but still in 32b mode).
>
> Benchmark was a bit faster - about 34 minutes instead of 38 (Amd64 2800, 1
> GB ram), but the renderer images differed a bit - it looked liked photos
> where more blurred in gcc4/k8. Is gcc4 misscompiling povray?
I think -march=k8 uses the SSE unit to do floating point calculations.
GCC 3.2 uses the x87 FPU I think.
--
mat### [at] matweide
http://www.matwei.de
Post a reply to this message
|
|