On 9/18/20 7:22 AM, William F Pokorny wrote:
> On 9/18/20 6:36 AM, William F Pokorny wrote:
> ...
>>
>> I don't think we have a fat rabbit to chase here.
>>
>> Of course run time improvements with am3 would be welcome. I have on 
>> my list to do some profiling with parametrics. Might take a side look 
>> at am3 too while I've got those compiles about. I've got the color 
>> shift issue to replicate and run down someday too. Hmm, wonder if I 
>> can trigger it with your simpler test cast Ton.
>>
> 
> We can indeed! All one needs do is change:
> 
> background { color srgb <0, 0, 0> }
> 
> to:
> 
> #declare Acajou = srgb <0.29804,0.18431,0.15294>;
> background { color Acajou }
> 
> and the cpu time jumps.
> 
> 16.918 -> 3443.029 ---> 20251.28%
> 
> Plus the results are to my eye not as good.
> 
> Does uberpov has the same behavior:
> 
> 16.172 -> 3512.926 ---> 21622.27%
> 
> A fat rabbit.
> 
> Bill P.

tried changing my am3 test file like above ... cannot duplicate issue

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