[sldev] [VWR] Vectorization on i386?

Callum Lerwick seg at haxxed.com
Tue Dec 4 14:32:30 PST 2007


On Mon, 2007-12-03 at 05:31 -0600, Callum Lerwick wrote:
> > * When it worked, it benchmarked at between ~4% slower and ~4%
> > faster than the pure-C++ versions on a Core2Duo and Celeron-D, so
> > it didn't seem worth pushing for on i386.  (Hardware skinners totally
> > nullify any gain anyway, so even on machines where this was faster
> > in SSE2 than pure-C++, a reasonable GPU can be significantly faster
> > still).
> 
> The open source r300 drivers don't support this yet.

Oh, and ATI seems to have completely broken shaders, at least with older
cards, in the latest fglrx. And don't think older versions will work on
F7/F8. I filed a bug:

http://jira.secondlife.com/browse/VWR-3429

I can't even enable hardware skinning on standard viewers, which used to
work fine, so its not even a windlight specific bug. fglrx is just plain
b0rked, as usual. ;P
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