Can compilation times not be sped up any further?

Andre Pany andre at
Sun Oct 20 08:16:15 UTC 2019

On Sunday, 20 October 2019 at 05:44:14 UTC, H. S. Teoh wrote:
> On Sat, Oct 19, 2019 at 09:56:44PM +0000, Brett via 
> Digitalmars-d wrote:
>> I have a huge code base... it seems D likes to recompile 
>> everything every time from scratch. I realize there are ways 
>> to fix this but can't D go a step further?
> Are you using dub?  If you are, you might want to consider 
> using a different build tool instead. One of the reasons I gave 
> up dub long ago was because of its compulsion to rebuild 
> everything from scratch every single time, which is unbearably 
> slow. Now that I have my own build system setup with SCons, I'm 
> much happier.
> Running dmd without dub is actually incredibly fast (compared 
> to, say, C++) that you generally only need separate compilation 
> for packages. Compiling all modules in a single package at once 
> is generally fast enough that there's no need to go to the 
> per-file level of granularity.
> T

In a dub package you can also organize your modules into sub 
packages. These sub packages are only compiled when a source 
module of it is touched.

This might already solve the problem. But yes, there are a lot of 
potential in Dub to make it faster.

Kind regards

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