DMD compilation speed

[Joakim via Digitalmars-d]

On Thursday, 11 February 2016 at 05:38:54 UTC, Andrew Godfrey 
wrote:
> I just upgraded from DMD 2.065.0 (so about 2 years old) to 
> 2.070.0, and noticed a difference in compilation speed. I'll 
> detail what I see, in case it's interesting, but really I just 
> want to ask: What should I expect? I know that DMD is now 
> selfhosting, and I know there's a tradeoff between compilation 
> speed and speed of generated code. Or maybe it's just a tweak 
> to default compiler options.
> So maybe this is completely known.
>
> [...]

I don't think it's unexpected, though something to work on 
beating back.