POV-Ray : Newsgroups : povray.beta-test : 35a performance question : Re: 35a performance question Server Time
3 Jul 2024 15:53:56 EDT (-0400)
  Re: 35a performance question  
From: GraemeM
Date: 14 Feb 2010 17:00:01
Message: <web.4b787212af79f61b13b07a810@news.povray.org>
>
> 3.6.2 512x384 No AA
>
> Total Scene Processing Times
>   Parse Time:    0 hours  0 minutes  1 seconds (1 seconds)
>   Photon Time:   0 hours  0 minutes  1 seconds (1 seconds)
>   Render Time:   0 hours  3 minutes 51 seconds (231 seconds)
>   Total Time:    0 hours  3 minutes 53 seconds (233 seconds)
> CPU time used: kernel 3.23 seconds, user 229.37 seconds, total 232.60 seconds
> Render averaged 845.27 PPS over 196608 pixels
>
> 3.7.b35 SSE2 512x384 No AA
>
> 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.

Whats this?    vvvvvvvvvvvvv
> 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.

I think I have been misreading the information, I think I should have been
looking at the 3.6.2 total time (232.6 seconds) and the 3.7 elapsed time! (85.3
seconds)


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