Subject: bug#40628: Optimize admin/nt dependency computation

From: Lars Ingebrigtsen <[email-masked]>
Date: Sat, 08 Aug 2020 14:57:00 +0200

Noam Postavsky <[email-masked]> writes:

> While checking the patch I suggested in
> https://debbugs.gnu.org/40003#11, I noticed the dependency extraction
> seemed pretty slow.  With the patch attached below it's much faster
> (1m20.437s to 0m3.695s according to 'time ./build-dep-zips.py -l').
>
>>>From 5312f51e315cc147ca901d499aa3c3cc64aa3340 Mon Sep 17 00:00:00 2001
> From: Noam Postavsky <[email-masked]>
> Date: Tue, 14 Apr 2020 12:27:34 -0400
> Subject: [PATCH] Optimize admin/nt dependency computation
>
> admin/nt/dist-build/build-dep-zips.py (immediate_deps)
> (extract_deps): Gather package dependency info in batches, rather than
> one at a time.  This reduces the number of invocations of 'pacman -Si
> ...' to the depth of the dependency tree, rather than the number of
> dependent packages.
> (top-level): Don't call 'extract_deps' when given the '-l' option.

This was four months ago, but the patch was apparently not applied?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no