From: Jacob Hrbek <kreyren@rixotstudio.cz>
To: Vagrant Cascadian <vagrant@debian.org>
Cc: "guix-devel@gnu.org" <guix-devel@gnu.org>,
Liliana Marie Prikler <liliana.prikler@gmail.com>
Subject: Re: Proposal: Build timers
Date: Thu, 25 Nov 2021 04:03:35 +0000 [thread overview]
Message-ID: <fBaqTTKqq9VHjnszAyJdxF5WVBKclPR4n9qH-8U4tEeq1AF8dgLCEL9m38ALOPvXk4b5ttYbqamC3hOVAUrEcMnh3k0jwcy4ihZeJIhvXsc=@rixotstudio.cz> (raw)
In-Reply-To: <875ysh5mmr.fsf@ponder>
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Make it clear it's an estimate, or maybe even abstract away the time units so that there is no expectation of any particular time. -- Vagrant
My theory is designed with tolerance of <5 min with max tolerance of =10 min with methods that I am confident will get us within <30 sec assuming sufficient amount of data to construct the variables.
-- Jacob "Kreyren" Hrbek
Sent with ProtonMail Secure Email.
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Wednesday, November 24th, 2021 at 8:23 PM, Vagrant Cascadian <vagrant@debian.org> wrote:
> On 2021-11-24, zimoun wrote:
>
> > On Tue, 23 Nov 2021 at 18:50, Julien Lepiller julien@lepiller.eu wrote:
> >
> > > Do we even care that much about accuracy? I don't really care that the
> > >
> > > build takes 30 or 31 seconds, or even 1 minute, but I certainly care
> > >
> > > whether it takes 30s or 3h. I think this is also what SBUs give you: a
> > >
> > > rough estimate of which build is longer than the other. I think a
> > >
> > > simple proportionality relation would work well enough in most common
> > >
> > > cases. It might be quite off on a super computer, but who cares,
> > >
> > > really?
> >
> > What if it takes 3h and the prediction says 2h?
>
> Those sound about "the same" for any kind of reasonable expectation...
>
> I would guess you only want the correct order of magnitude... hours,
>
> minutes, days, weeks, months, years... or maybe quick, fast, slow,
>
> painful.
>
> I do this soft of fuzzy estimation all the time when working on
>
> Reproducible Builds in Debian; look at the past test history to get a
>
> rough estimate of how long I might expect a build to take. This helps
>
> me decide if I should start a build and get a $COFFEE, do some
>
> $SWORDFIGHTING on the $OFFICECHAIRS, or sit and watch the progress bar
>
> so I don't loose the mental state working on the problem becuase it will
>
> be done $SOON.
>
> Make it clear it's an estimate, or maybe even abstract away the time
>
> units so that there is no expectation of any particular time.
>
> I know there are people who would love to get a a value that was
>
> consistently right but to be useful it only needs an estimate to be
>
> mostly not completely wrong. At least to me. :)
>
> live well,
>
> vagrant
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next prev parent reply other threads:[~2021-11-25 4:03 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-22 22:02 Proposal: Build timers Jacob Hrbek
2021-11-23 1:06 ` zimoun
2021-11-23 6:21 ` Jacob Hrbek
2021-11-23 11:56 ` zimoun
2021-11-23 14:39 ` Jacob Hrbek
2021-11-24 11:35 ` zimoun
2021-11-25 4:00 ` Jacob Hrbek
2021-11-23 12:05 ` Julien Lepiller
2021-11-23 16:23 ` zimoun
2021-11-23 20:09 ` Liliana Marie Prikler
2021-11-23 21:31 ` Jacob Hrbek
2021-11-23 21:35 ` Jacob Hrbek
2021-11-23 23:50 ` Julien Lepiller
2021-11-24 11:31 ` zimoun
2021-11-24 20:23 ` Vagrant Cascadian
2021-11-24 21:50 ` zimoun
2021-11-25 4:03 ` Jacob Hrbek [this message]
2021-11-25 5:21 ` Liliana Marie Prikler
2021-11-25 10:23 ` zimoun
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