D compilation speed vs. go

[Robert Clipsham]

On 11/04/10 22:12, Walter Bright wrote:
> That comes from my experience in trying to make a 16 bit compiler on
> MSDOS run at a reasonable speed! The heritage is still there in the back
> end, and in the front end D is designed for fast compilation.
>
> DMC++ has always been the fastest compiling C++ compiler by a wide margin.

It's a shame I can't make it to ACCU next week, I'd love to see your 
compiler construction session, if only for a few insights into how you 
managed this! Do you have any tips for keeping compilation speedy, or is 
it just a process of profiling and experience to find what works best?