Thorsten Froehlich <tho### [at] trfde> wrote:

> Some POV-Ray features use pseudo-random numbers.  The sequence of these
> numbers depends on the order of certain tracing calls.  If there is a small

IMO this would result mainly in differences at sharp edges etc.
The main differences in the shown images are of a different type,
it is most visible in the bright caustics in the middle ofthe image

http://www.linuxhardware.org/images/articles/opteron-121703/bench-x86-64-full.jpg
http://www.linuxhardware.org/images/articles/opteron-121703/bench-i386-full.jpg

Lutz-Peter

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