Small part of a program : d and c versions performances diff.

[Kapps via Digitalmars-d-learn]

On Wednesday, 9 July 2014 at 13:18:00 UTC, Larry wrote:
>
> You are definitely right, I did mess up while translating !
>
> I run the corrected codes (the ones I was meant to provide :S) 
> and on a slow macbook I end up with :
> C : 2
> D : 15994
>
> Of course when run on very high end machines, this diff is 
> almost non existent but we want to run on very low powered 
> hardware.
>
> Ok, even with a longer code, there will always be a launch 
> penalty for d. So I cannot use it for very high performance 
> loops.
>
> Shame for us..
> :)
>
> Thanks and bye

This to me pretty much confirms that almost the entirety of your 
C code is being optimized out and thus not actually executing.