Re: substitute derivation: also substitute grafts?

[Mark H Weaver]

zimoun <zimon.toutoune@gmail.com> writes:

> On Wed, 05 Oct 2022 at 12:03, Ludovic Courtès <ludo@gnu.org> wrote:
>> Ricardo Wurmus <rekado@elephly.net> skribis:
>>
>>> In my scenario I have two machines, one building stuff the other only
>>> substituting.  The serving machine would be the one deciding whether to
>>> enforce substitutability or not.
>>
>> An is it too expensive for that machine to build grafts locally?
>
> Using my old desktop from work, yes the experience is really poor;
> especially for some packages where the number of grafts is sometimes
> something, e.g., see [1] where grafting were longer than building.
>
> 1: <https://yhetil.org/guix/86wnud6db3.fsf@gmail.com>

I wonder how fast grafting could be if it were rewritten in C.

       Mark

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