Wasn't it Thorsten Froehlich who wrote:
>In article <aBQ### [at] econymdemoncouk> , Mike Williams 
><mik### [at] nospamplease>  wrote:
>
>> Isosurfaces *much* slower in beta 7?
>> (isosurfaces with "evaluate" are now very slow)
>> (was said to be fixed in next beta, but isn't fixed in beta 8)
>> http://news.povray.org/3bdf24b3$1@news.povray.org
>
>It is fixed.  The other problems with isosurfaces may obscure the fix in
>scenes which exhibit the other problem as well.

I did some timings, and on my machine isosurfaces with "evaluate" still
run very nearly as slowly as they did in beta 7, and *much* more slowly
than the same isosurfaces without "evaluate".

-- 
Mike Williams
Gentleman of Leisure

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