Re: Guix pull speed

[Simon Tournier]

Hi,

On Thu, 14 Sep 2023 at 11:58, Ludovic Courtès <ludo@gnu.org> wrote:

>> What could be done about this?  Another solution would be to somehow
>> build Guix without any of the dependencies and then add them in later,
>> similar to what is done with build-aux/build-self.scm to be able to load
>> (guix self) in the first place.  That seems quite complex though.
>
> Most of the time is spent evaluating (gnu packages …) modules;
> evaluation is pretty slow, and from what I remember of previous
> profiling sessions, this is largely due to psyntax.  We should
> concentrate on that.

On my machine the step “Computing Guix derivation” is single-threaded.
Is it not possible to exploit multi-thread here?

Cheers,
simon