POV-Ray : Newsgroups : povray.beta-test : 35a performance question : Re: 35a performance question Server Time
3 Jul 2024 15:26:55 EDT (-0400)
  Re: 35a performance question  
From: Thorsten Froehlich
Date: 14 Feb 2010 18:41:24
Message: <4b788a24$1@news.povray.org>
On 14.02.10 22:48, GraemeM wrote:
> Render Time:
>    Photon Time:      0 hours  0 minutes  0 seconds (0.506 seconds)
>                using 7 thread(s) with 1.480 CPU-seconds total
>    Radiosity Time:   0 hours  0 minutes  8 seconds (8.537 seconds)
>                using 16 thread(s) with 44.720 CPU-seconds total
>    Trace Time:       0 hours  1 minutes 10 seconds (70.321 seconds)
>                using 4 thread(s) with 270.940 CPU-seconds total
> POV-Ray finished
> -
> CPU time used: kernel 1.45 seconds, user 319.19 seconds, total 320.64 seconds.
> Elapsed time 85.30 seconds, CPU vs elapsed time ratio 3.76.
> Render averaged 2304.95 PPS (613.17 PPS CPU time) over 196608 pixels.
> ----------------------------------------------------------------------------
>
> One thing that stands out is that 3.6.2 states 845.27 PPS (pixels per second?)
> and 3.7 states 2304.95 PPS, three time as many but 87 seconds slower.

You are getting confused by very poor terminology in the output: The 
CPU-seconds are not what is relevant, but the actual seconds it one line 
shows above are the time it took to render the scene.

I had not realized there was output like this in the current beta (and 
apparently many recent betas before). This is unintentional, so thanks for 
pointing out this confusing output.

	Thorsten, POV-Team


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