Build time

[russhy]

On Saturday, 24 July 2021 at 09:12:15 UTC, JG wrote:
> On Saturday, 24 July 2021 at 08:26:39 UTC, JG wrote:
>> On Friday, 23 July 2021 at 20:03:22 UTC, Dennis wrote:
>>> On Friday, 23 July 2021 at 18:53:06 UTC, JG wrote:
>>>> [...]
>>>
>>> You can try profiling it with LDC 1.25 or later. Add this to 
>>> dub.sdl:
>>>
>>> [...]
>>
>> Thanks for this suggestion. Unfortunately this makes the 
>> compile use too much memory for my system and so it gets 
>> killed before the end and no my-trace.tracy file is produced. 
>> I will try building on parts of the program with this and see 
>> if I can see what is going on.
>
> Got this to work after removing part of the program, the 
> slowest parts are in library code (sumtype match to be 
> precise). I will look into whether my usage can be improved.
>
> I should also mention that what I said about compile time was a 
> little inaccurate, some of that time linking (which involves 
> llvm).

LLVM is known to be slow to compile

If you are on windows i suggest  to use DMD for iterating 
quickly, i get much faster compile time with it (probably on 
linux too, but i'm not a linux user)