D slower than C++ by a factor of _two_ for simple raytracer (gdc)

[downs]

bearophile wrote:
> Note for downs: have you tried -fprofile-generate/-fprofile-use flags for the C++ code? They improve the C++ raytracer speed some.
> 
> Bye,
> bearophile

My point is not in making GDC's crushing defeat even crushinger :)

But thanks for the advice, anyway.

 --downs