[sldev] Optimization target: Avatar skinning, LLViewerJointMesh, matrix multiply

James Cook james at lindenlab.com
Sat Apr 14 16:43:29 PDT 2007


Yeah, it's those pesky 1 GHz Athlon Thunderbirds that I worry about. 
I'll dig into our CPU statistics and see if anyone still uses those with 
SL.  If not, I'll turn on SSE instructions in the builds.

James

Jason Giglio wrote:
> James Cook wrote:
>> Sadly, Second Life currently supports processors that don't have SSE.
> 
> SSE is on all Intel chips made since 1999, PIII and above.
> Athlon XP palomino, since 2001.
> 
> SL Minimum Requirement:
> Computer Processor: 800MHz Pentium III or Athlon, or better
> 
> 
> That means Coppermine PIII that came out in May 2000, which did support 
> SSE.
> 
> Amending the minimum requirements to clarify that you mean Athlon XP or 
> above wouldn't change them a whole lot.
> 
> Even the amended requirements would still mean you were supporting 6 
> year old hardware, which I think is very generous.
> 
> -Jason
> 


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