POV-Ray : Newsgroups : povray.beta-test : Radiosity Status: Giving Up... : Re: Radiosity Status: Giving Up... Server Time
29 Jul 2024 06:24:42 EDT (-0400)
  Re: Radiosity Status: Giving Up...  
From: Warp
Date: 31 Dec 2008 11:21:12
Message: <495b9bf8@news.povray.org>
clipka <nomail@nomail> wrote:
> On my AMD64 Linux machine, POV-Ray 3.6 runs the benchmark in ~1770 seconds,
> being a generic i686 binary. MegaPOV 1.2.1 AMD64 binary does the same stunt in
> ~1423 seconds. I expect this to be mainly due to SSE2.

> No special SSE2 "optimization hints" have been coded into MegaPOV. It's just
> plain POV 3.6 code with some functionality added. And compiled with different
> options. (Both were compiled using g++)

  That isn't very telling if they were compiled with different options.

  They should be compiled with all the same options, except for SSE2
optimizations in order for the measurement to be reliable.

-- 
                                                          - Warp


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