POV-Ray : Newsgroups : povray.beta-test : Where are all these threads coming from? : Re: Where are all these threads coming from? Server Time
25 Jun 2024 20:50:20 EDT (-0400)
  Re: Where are all these threads coming from?  
From: Alain
Date: 14 Feb 2011 16:45:07
Message: <4d59a263@news.povray.org>

> I'm running 3.7RC3 under XP32-SP3 on an i7 CPU. I just rendered an image
> (actually I just finished a continued render from last week) and noticed
> the following:
>
> Render Time:
> Photon Time: 0 hours 16 minutes 54 seconds (1014.000 seconds)
> using 11 thread(s) with 3628.419 CPU-seconds total
> Radiosity Time: No radiosity
> Trace Time: 1 hours 4 minutes 42 seconds (3882.079 seconds)
> using 8 thread(s) with 28627.340 CPU-seconds total
>
> The 8 threads is correct, but 11 threads? Is POV fraying my CPU?

How many actual cores?
Using hyperthreading?

For 8 cores, hyperthreading offer 16 virtual cores: 2 virtual cores per 
actual core.



Alain


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