Optimize my code =)

[bearophile]

Robin:

> Thanks again for all your helpful comments and thanks in 
> advance - I am eagerly looking forward for your future 
> comments! =)

Many of the things you say and write are still wrong or confused. 
Usually the hard optimization of code is one the last things you 
learn about a language, because to do it you need to have very 
clear what the language is doing in every spot (this is true for 
most languages, like C, C++, Haskell, Python, etc). And you are 
not yet at this point.

Tomorrow I will answer some things in your post, but in the 
meantime if you want you can show your whole D program, and 
tomorrow I'll try to make it faster for LDC2 and I'll explain it 
some.

Bye,
bearophile