Why is this D code slower than C++?

[nobody_]

I really hope you'll get it faster than the C++ variant.

Might -profile shed some light?
Or maybe I lurk here in learn for a reason :D


> Thanks for all the suggestions. It helps, but not enough to make the D
> code faster than the C++. It is now 2.6 times slower. The render times
> are now approx. 13 sec for raytracer_d and approx. 5 sec for 
> raytracer_cpp.
>
> Here are the changes I've made. Attached is the new code.
>
>   Call RegisterClass outside of assert. (Broken if -release used)
>   Apply -release option. (Increases speed in an unknown way)
>   Converted templates to regular functions. (Templates not being inlined)
>   Manually inlined DOT function. (Function not being inlined)
>
>
> Any other suggestions?