Official compiler

[Walter Bright via Digitalmars-d]

On 2/26/2016 12:20 AM, Iain Buclaw via Digitalmars-d wrote:
> I thought that mulithreaded I/O did not change anything, or slowed compilation
> down in some cases?
>
> Or I recall seeing a slight slowdown when I first tested it in gdc all those
> years ago.  So left it disabled - probably for the best too.


Running one test won't really give much useful information. I also wrote:

"On a machine with local disk and running nothing else, no speedup. With a slow 
filesystem, like an external, network, or cloud (!) drive, yes. I would also 
expect it to speed up when the machine is running a lot of other stuff."