POV-Ray : Newsgroups : povray.general : Parallel / Distributed Network Rendering Included in POV : Re: Parallel / Distributed Network Rendering Included in POV Server Time
11 Aug 2024 17:20:19 EDT (-0400)
  Re: Parallel / Distributed Network Rendering Included in POV  
From: Randy Hawley
Date: 22 Nov 2001 23:21:43
Message: <3BFDCF57.4026E69A@iquest.net>
Also, we need a "binary" scene file, that the parsed scene can be stored in.
That way, the scene is parsed once, stored in a shared file (or the file can be
shipped to each rendering engine), then rendered by the farm.  Perhaps more
efficient than each render-farm element parsing the same scene in order to render
"chunks" of it.

Randy Hawley

Lutz-Peter Hooge wrote:

> In article <355### [at] 3-enet>, dan### [at] 3-enet says...
> > Distributing rendering in chunks is rather crude, it is far better to write
> > code that spreads computational loops and recursion etc. over as many
> > threads
>
> Why? I think, for performance, this is worse then rendering chunks,
> because the OS also needs CPU time for assigning tasks to each CPU.
> And the more often the different threads/tasks change/interact, the more
> time it needs. So, for maximum performance it should IMHO be best to
> split the rendering in exactly as many different tasks as there are CPUs
> available, and then let each of them do their work completely on their
> own.
>
> Lutz-Peter


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