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From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: 65860@debbugs.gnu.org
Subject: [bug#65860] [PATCH 0/4] Resolve a circular module dependencies in embedded modules
Date: Sun, 17 Sep 2023 20:52:53 -0400	[thread overview]
Message-ID: <877coo715m.fsf@gmail.com> (raw)
In-Reply-To: <87o7i5glwr.fsf@gnu.org> ("Ludovic Courtès"'s message of "Thu, 14 Sep 2023 11:10:44 +0200")

Hi Ludovic,

Ludovic Courtès <ludo@gnu.org> writes:

[...]

> I agree that this needs to be addressed.  I wondered whether/how hard we
> should search for a different solution.

OK.  I think the current situation needs to be resolved ASAP, but longer
term I'm definitely willing to revisit our strategy when it comes to
cross compiler toolchains.

[...]

> BTW, another issue with the package-returning procedures: they return a
> fresh package object at each call, which defeats caching.  I think you
> should be able to observe it with:
>
>   GUIX_PROFILING=object-cache guix build axoloti-runtime -d  --no-grafts
>
> The effect will be more acute on the build farms since they compute
> derivations for everything that depends on these toolchains.
>
> The solution would be to make those procedures memoizing, with ‘mlambda’
> or similar.

I haven't tried measuring the impact, but I've use mlambda in the v2
just sent; thanks for the suggesting it!

-- 
Thanks,
Maxim




  reply	other threads:[~2023-09-18  0:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1694406359.git.maxim.cournoyer@gmail.com>
2023-09-11  4:25 ` [bug#65860] [PATCH 1/4] gnu: avr: Delay all cross compilation packages Maxim Cournoyer
2023-09-13 20:27   ` [bug#65860] [PATCH 0/4] Resolve a circular module dependencies in embedded modules Ludovic Courtès
2023-09-14  3:10     ` Maxim Cournoyer
2023-09-14  9:10       ` Ludovic Courtès
2023-09-18  0:52         ` Maxim Cournoyer [this message]
2023-09-25 17:58           ` [bug#66063] [PATCH v2 0/3] " Maxim Cournoyer
2023-09-11  4:25 ` [bug#65860] [PATCH 2/4] gnu: embedded: Turn packages using top-level variables into procedures Maxim Cournoyer
2023-09-11  4:25 ` [bug#65860] [PATCH 3/4] gnu: Remove extraneous imports Maxim Cournoyer
2023-09-13 20:06   ` Ludovic Courtès
2023-09-17 20:27     ` Maxim Cournoyer
2023-09-11  4:26 ` [bug#65860] [PATCH 4/4] doc: Add new 'Circular Module Dependencies' section Maxim Cournoyer
2023-09-11  4:19 [bug#65860] [PATCH 0/4] Resolve a circular module dependencies in embedded modules Maxim Cournoyer

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