POV-Ray : Newsgroups : povray.general : An Open Letter to Joel Hruska from the developers of POV-Ray : Re: An Open Letter to Joel Hruska from the developers of POV-Ray Server Time
24 Apr 2024 14:48:22 EDT (-0400)
  Re: An Open Letter to Joel Hruska from the developers of POV-Ray  
From: Slime
Date: 16 Aug 2004 16:30:38
Message: <4121196e@news.povray.org>
> The scene from the "advanced" directory we found taking longest to
> render was "mediasky.pov".  This scene, as its name implies also shows
only
> one single feature, media.  As such, it heavily depends on the performance
> of the noise function code, which is very small and tends to favor systems
> with a fast L1 cache because it is very tiny.  The noise function is
> certainly important to create a realistic scene, but it is never found
> exclusively in any "real world" scene.

This seems contrary to what was in Chris Cason's message:

> Our benchmark file makes heavy use of 3d noise. 3d noise functions seem to
> have a habit of bringing out issues with certain CPU's in some
circumstances,
> and despite your assertion that this isn't "real world", to the contrary,
3d
> noise is extensively used in real scenes because it's one of the basic
tools
> to make realistic procedural textures.

I'm not sure if "the noise function" is referring to the same thing as "3d
noise", but it's likely that the guy who wrote the benchmark results page
will think so =)

 - Slime
 [ http://www.slimeland.com/ ]


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