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[bug#36630] [PATCH] guix: parallelize building the manual-database
From: |
Arne Babenhauserheide |
Subject: |
[bug#36630] [PATCH] guix: parallelize building the manual-database |
Date: |
Thu, 18 Jul 2019 00:06:36 +0200 |
User-agent: |
mu4e 1.2.0; emacs 26.1 |
Hi,
Ludovic Courtès <address@hidden> skribis:
> Arne Babenhauserheide <address@hidden> skribis:
Offtopic: I love reading Esperanto here!
>> Ludovic Courtès <address@hidden> writes:
>>> guix environment --ad-hoc jupyter python-ipython python-ipykernel -n
>> How exactly did you run the derivation?
> If you run the command above, it’ll list
> /gnu/store/…-manual-database.drv. So you can just run:
>
> guix build /gnu/store/…-manual-database.drv
>
> or:
>
> guix build /gnu/store/…-manual-database.drv --check
>
> if it had already been built before.
Somehow I can’t get guix to actually run my changed code with this
command, so I’m not sure I tested the right thing.
What is the clean approach to run the profile.scm from git?
>>> On a SSD and with a hot cache, on my 4-core laptop, I get 74s with
>>> ‘master’, and 53s with this patch.
>>
>> I’m using a machine with 6 physical cores, hyperthreading, and an NVMe
>> M.2 disk, so it is likely that it would not be disk-bound for me at 4
>> threads.
>
> The result may be entirely different with a spinning disk. :-)
>
> I’m not saying we should optimize for spinning disks, just that what you
> see is at one end of the spectrum.
That’s right, yes.
> But anyway, another issue is that we would need to honor
> ‘parallel-job-count’, which means using ‘n-par-map’, which doesn’t use
> futures.
Ouch, yes. That’s an issue …
Thank you for bringing it up!
Best wishes,
Arne
--
Unpolitisch sein
heißt politisch sein
ohne es zu merken
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- [bug#36630] [PATCH] guix: parallelize building the manual-database, Arne Babenhauserheide, 2019/07/12
- [bug#36630] [PATCH] guix: parallelize building the manual-database, Ludovic Courtès, 2019/07/15
- [bug#36630] [PATCH] guix: parallelize building the manual-database, Arne Babenhauserheide, 2019/07/15
- [bug#36630] [PATCH] guix: parallelize building the manual-database, Ludovic Courtès, 2019/07/16
- [bug#36630] [PATCH] guix: parallelize building the manual-database,
Arne Babenhauserheide <=
- [bug#36630] [PATCH] guix: parallelize building the manual-database, Ludovic Courtès, 2019/07/18
- [bug#36630] [PATCH] guix: parallelize building the manual-database, Ludovic Courtès, 2019/07/18
- [bug#36630] [PATCH] guix: parallelize building the manual-database, Arne Babenhauserheide, 2019/07/18
- [bug#36630] [PATCH] guix: parallelize building the manual-database, Ludovic Courtès, 2019/07/18
- [bug#36630] [PATCH] guix: parallelize building the manual-database, Arne Babenhauserheide, 2019/07/18