POV-Ray : Newsgroups : povray.general : Request: A Test Render : Re: Request: A Test Render Server Time
27 Sep 2024 18:26:10 EDT (-0400)
  Re: Request: A Test Render  
From: Ger
Date: 29 Jan 2016 03:44:11
Message: <56ab265b@news.povray.org>
Sven Littkowski wrote:

> Hi everyone,
> 
> I am asking you for a test render of my scene. On my computer, this
> scene takes forever, and I want to find out, how fast it renders on your
> computer.
> 
> If you're interested to assist me with this little favor, please let me
> know, and I will give you then all scene files. It is not a complete
> scene, but just a part of it:
> +sc0.248406 +sr0.444099 +ec0.441055 +er0.635475
> 
> Please let me then know the time this part takes on your system. Thanks.

Hi, I have your render going on my machine and it's hanging at 2% for a while 
now. It had me stumped for a bit since your scene has 133K objects and 14 
light sources which shouldn't be such a problem. I've had scenes with 5M 
objects render in a matter of minutes so I went looking for the culprit in 
your code and I think I found it. You have a large number of difference 
declarations in the code. A difference declaration is an absolute bitch when 
it comes to rendering. I will go a long way to union-ing smaller objects to 
avoid having to use a difference declaration. I suspect that you can save a 
lot of render time if you rewrite your code avoiding the difference 
declaration.
Btw, I'm running your code on a 8-core AMD at 4.2 Ghz and 16 GB mem. Not the 
slowest in the bunch
-- 

Ger


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