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A suggestion: radiosity?
Graham Redway
Matt Swarm wrote:
>
> Hi Folks:
>
> In a recent benchmarking discussion it was suggested that one way to
> "equalize" (in terms of testing times) older machines and increasingly fast
> machines-- all the way up to supercomputers-- was to simply make the image
> larger for the hotties. Then use a correction factor.
>
> The thinking goes: Use a standard image, let a 486/33 render it at 320x240,
> and let the monster render it at 320,000x240,000. If they both take
> exactly 5 minutes, say, the Hottie Monster is 1,000,000 times as efficient.
> (One million times the number of pixels.)
>
> My concern with this approach is that while we are scaling the image in two
> dimensions, we are calculating lighting effects in THREE dimensions.
>
> Mark Wagner, who mentioned the scaling approach, feels that antialiasing
> would skew the results.
>
> My question is: What OTHER functions WILL or MIGHT make the compute times
> go longer than the scaling factor for 2D (area) and more toward 3D (volume).
>
> Armed with suggestions, I'd like to conduct tests.
>
> Matt
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