Caching D compiler - preview version

[Dmitry Olshansky]

On Tuesday, 24 October 2017 at 13:29:12 UTC, Mike Parker wrote:
> On Tuesday, 24 October 2017 at 13:19:15 UTC, Dmitry Olshansky 
> wrote:
>> What is dcache?
>>
>> It's a patch for dmd that enables a *persistent* shared-memory 
>> hash-map, protected by a spin-lock from races. Dmd processes 
>> with -cache flag would detect the following pattern:
>
> Blog post or it didn't happen!

Let us at least try it outside of toy examples.

If anybody has std.regex.ctRegex usage I'd be curious to see:

1. Build time w/o -cache=mmap
2. First build time w -cache=mmap
3. Subsequent build times w -cache=mmap

P.S. It's a crude PoC. I think we can do better.

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Dmitry Olshansky