From: Mathieu Othacehe <othacehe@gnu.org>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: 43757-done@debbugs.gnu.org, jonathan.brielmaier@web.de
Subject: bug#43757: cuirass: Fail to fetch "guix" input.
Date: Sat, 03 Oct 2020 15:14:09 +0200 [thread overview]
Message-ID: <875z7rih9a.fsf@gnu.org> (raw)
In-Reply-To: <87k0w7frit.fsf@gnu.org> ("Ludovic Courtès"'s message of "Sat, 03 Oct 2020 14:00:42 +0200")
Hey Ludo,
> ‘par-map’ is implemented in terms of futures, and futures use their own
> thread pool. What’s likely to block is ‘touch’: it essentially waits on
> a condition variable, which Fibers cannot interrupt.
I see, thanks for explaining.
> Why not just replace ‘par-map’ with ‘map’? That sounds easier and I
> suspect it doesn’t change much performance-wise.
The objective was to still be able to run parallel input fetching, but
you're right, a simple "map" is nicer.
> (There’s a 2nd use of ‘par-map’ in that file.)
Oh! Fixed too.
Thanks for the quick answer,
Mathieu
prev parent reply other threads:[~2020-10-03 13:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-02 9:55 bug#43757: cuirass: Fail to fetch "guix" input Mathieu Othacehe
2020-10-03 9:16 ` Mathieu Othacehe
2020-10-03 12:00 ` Ludovic Courtès
2020-10-03 13:14 ` Mathieu Othacehe [this message]
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