POV-Ray : Newsgroups : povray.general : POV and hyperthreading : Re: POV and hyperthreading Server Time
4 Aug 2024 02:16:00 EDT (-0400)
  Re: POV and hyperthreading  
From: Ken
Date: 9 Aug 2003 13:32:38
Message: <3F35319F.F6FA6A73@pacbell.net>
Anto Matkovic wrote:
> 
> Is there a POV-Ray patch or something for hyperthreading?
> 
> I just fired up POV-Ray 3.5 with P4 Xeon 3000 ( I'm on vacation: ), and
> Skyvase on 640x480 AA 0.3 is a 9 seconds (SSE2 is detected, but the only one
> of  'virtual' processors work). Result is bad - P4 Nothwood or AMD 1200 need
> about 12 seconds for the same. With some other raytracers, Xeon 3000 can be
> up to three times faster than Northwood 1800.
> 
> Any help, link, please? Or I need to launch two POVs?
> I just tried with
> POV-Ray and Ml POV 0.81, with different files, it works, both of procs are
> on 100% (but seems that MlPOV don't recognize
> SSE).

See -
http://tag.povray.org/povQandT/languageQandT.html#multiprocessor

See also -
http://www.it-berater.org/smpov.htm

-- 
Ken Tyler


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