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bug#55499: [PATCH 2/3] profiles: Do not repeat entries in 'manifest' fil
From: |
Ludovic Courtès |
Subject: |
bug#55499: [PATCH 2/3] profiles: Do not repeat entries in 'manifest' file. |
Date: |
Wed, 01 Jun 2022 11:38:54 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) |
Hi,
Maxime Devos <maximedevos@telenet.be> skribis:
> Ludovic Courtès schreef op di 31-05-2022 om 18:09 [+0200]:
>> With this change, the manifest file created for:
>>
>> guix install r r-seurat r-cistopic r-monocle3 r-cicero-monocle3
>> r-assertthat
>>
>> goes from 5.6M to 192K. Likewise, on this profile, wall-clock time of:
>>
>> GUIX_PROFILING=gc guix package -I
>>
>> goes from 0.7s to 0.1s, with heap usage going from 55M to 9M.
>
> I'm not familiar enough with this part of Guix to evaluate the patches,
> but the time, disk memory and heap memory decreases sound great!
Yup! The difference is significant primarily for profiles with lots of
propagated inputs, so typically profiles with R or Python packages.
For my home profile (300+ packages but no R and no Python), it goes from
316K to 112K, heap usage for ‘guix package -I’ goes from 12M to 9M and
wall-clock time is almost unchanged.
Ludo’.
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Ludovic Courtès <=