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Date:      Wed, 17 Dec 2014 13:11:12 -0800
From:      Adrian Chadd <adrian@freebsd.org>
To:        Poul-Henning Kamp <phk@phk.freebsd.dk>
Cc:        "freebsd-arch@freebsd.org" <arch@freebsd.org>, Jilles Tjoelker <jilles@stack.nl>
Subject:   Re: Change default VFS timestamp precision?
Message-ID:  <CAJ-Vmo=1aVaMVfcQC7r7bxC3oigmOATasPFbP_7gKpbiDqE8eQ@mail.gmail.com>
In-Reply-To: <70616.1418846174@critter.freebsd.dk>
References:  <201412161348.41219.jhb@freebsd.org> <20141216233844.GA1490@stack.nl> <2034186.iLaW9EGnEt@ralph.baldwin.cx> <70073.1418837301@critter.freebsd.dk> <CAJ-Vmokkc-p4-keMExxT%2BwyjugA8zYRS2XRv6VucWnfH0iw_Pw@mail.gmail.com> <70449.1418843354@critter.freebsd.dk> <CAJ-Vmokom24Hv1MNNJz2t_bL_o7X%2BW6FgXaPXT2Q3gSurKefcg@mail.gmail.com> <70616.1418846174@critter.freebsd.dk>

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On 17 December 2014 at 11:56, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote:
> --------
> In message <CAJ-Vmokom24Hv1MNNJz2t_bL_o7X+W6FgXaPXT2Q3gSurKefcg@mail.gmail.com>
> , Adrian Chadd writes:
>
>>> A millisecond is pushing it, all things considered, it would have to
>>> be an utterly trivial source file for a utterly trivial language.
>>
>>Why? Computers can do a ridiculous amount of work in a millisecond.
>
> Yes, but try it yourself, they mostly don't.
>
> One millisecond is only about a million instructions if you are lucky,
> and in difference from system III, we have put an awful lot of code
> between the stuff you want done and the hardware that does it.
>
> So show me, and I'll believe you.

If I can find the code from a few years ago, sure. A lot of stuff from
my arts degree is sitting on hard disks in Australia, waiting to be
plugged in again.

(Next time I come up against this I'll show you. :)



-adrian



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