Purity, memoization and parallelization of dmd

[Atila Neves]

On Thursday, 16 July 2020 at 18:21:11 UTC, Per Nordlöw wrote:
> What's the status/progress on making dmd (completely) pure?
>
> Is this task on somebody's agenda? If so, are there any big 
> obstacles that currently has no clear solution or is just a 
> very large pile of small ones?
>
> And, in the long run, will a pure compiler (finally) enable 
> caching/memoization of, for instance, template 
> instantiations/ctfe-evaluations and, perhaps further into 
> future, parallelization of the compiler?

I don't think making the compiler parallel is particularly 
important since that should be handled at the build-system level 
(and if you use reggae, already is).