From: Jan Kratochvil <jan.kratochvil@redhat.com>
To: "Joseph S. Myers" <joseph@codesourcery.com>
Cc: Phil Muldoon <pmuldoon@redhat.com>, gdb@sourceware.org
Subject: Re: GIT and CVS
Date: Thu, 13 Oct 2011 21:59:00 -0000 [thread overview]
Message-ID: <20111013215927.GA13931@host1.jankratochvil.net> (raw)
In-Reply-To: <Pine.LNX.4.64.1110132135270.23193@digraph.polyomino.org.uk>
On Thu, 13 Oct 2011 23:50:33 +0200, Joseph S. Myers wrote:
> Even with local disk, git is much more I/O intensive. I timed looking at
> logs from a glibc checkout on local disk:
>
> $ time git log > /dev/null
>
> real 0m18.324s
> user 0m0.560s
> sys 0m0.304s
$ time git log >/dev/null
real 0m0.374s
user 0m0.330s
sys 0m0.041s
You cannot count the first operation, before ./.git gets cached. The first
read is deficiency of kernel filesystem, pre-read and/or no SSD on your system.
Regards,
Jan
next prev parent reply other threads:[~2011-10-13 21:59 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-13 19:37 Phil Muldoon
2011-10-13 20:21 ` Joseph S. Myers
2011-10-13 20:55 ` Phil Muldoon
2011-10-13 21:33 ` DJ Delorie
2011-10-13 21:44 ` Phil Muldoon
2011-10-13 21:43 ` Alfred M. Szmidt
2011-10-13 21:51 ` Jan Kratochvil
2011-10-13 22:08 ` Eli Zaretskii
2011-10-13 22:25 ` Jan Kratochvil
2011-10-13 22:41 ` Alfred M. Szmidt
2011-10-13 22:44 ` Alfred M. Szmidt
2011-10-14 10:31 ` Eli Zaretskii
2011-10-13 22:19 ` Alfred M. Szmidt
2011-10-13 22:45 ` Jan Kratochvil
2011-10-13 23:37 ` Alfred M. Szmidt
2011-10-14 5:56 ` Jan Kratochvil
2011-10-14 6:51 ` Alfred M. Szmidt
2011-10-13 23:03 ` Phil Muldoon
2011-10-13 23:51 ` Alfred M. Szmidt
2011-10-14 6:01 ` Jan Kratochvil
2011-10-14 6:52 ` Alfred M. Szmidt
2011-10-14 7:01 ` Jan Kratochvil
2011-10-14 7:13 ` Alfred M. Szmidt
2011-10-14 15:39 ` Joseph S. Myers
2011-10-14 15:49 ` Jan Kratochvil
2011-10-13 21:51 ` Joseph S. Myers
2011-10-13 21:59 ` Jan Kratochvil [this message]
2011-10-13 22:08 ` Joseph S. Myers
2011-10-13 22:17 ` Eli Zaretskii
2011-10-14 5:03 ` Joel Brobecker
2011-10-14 8:04 ` Eli Zaretskii
2011-10-13 23:14 ` Phil Muldoon
2011-10-13 23:56 ` Joseph S. Myers
2011-10-14 6:04 ` Jan Kratochvil
2011-10-13 21:58 ` Eli Zaretskii
2011-10-13 23:20 ` Phil Muldoon
2011-10-14 8:13 ` Eli Zaretskii
2011-10-14 10:23 ` Mark Kettenis
2011-10-14 10:55 ` Eli Zaretskii
2011-10-14 14:09 ` Li, Rongsheng
2011-10-14 12:54 ` Jan Kratochvil
2011-10-14 13:07 ` Jonas Maebe
2011-10-14 14:26 ` Eli Zaretskii
2011-10-14 14:32 ` Jan Kratochvil
2011-10-14 15:05 ` Phil Muldoon
2011-10-14 15:21 ` Eli Zaretskii
2011-10-14 14:52 ` Phil Muldoon
[not found] ` <83zkh3k419.fsf@gnu.org>
2011-10-14 15:47 ` Jonas Maebe
2011-10-14 16:12 ` Andreas Schwab
2011-10-14 16:20 ` Andreas Schwab
2011-10-14 16:25 ` Eli Zaretskii
2011-10-14 17:06 ` Matt Rice
2011-10-14 17:25 ` Eli Zaretskii
2011-11-11 21:00 ` Steinar Bang
2011-11-12 8:30 ` Eli Zaretskii
2011-11-12 15:30 ` Steinar Bang
2011-10-14 5:10 ` Joel Brobecker
2011-10-14 15:38 ` Joseph S. Myers
2011-10-14 12:36 ` André Pönitz
2011-10-14 14:19 ` Eli Zaretskii
2011-10-14 15:02 ` Phil Muldoon
2011-10-14 15:16 ` Eli Zaretskii
2011-10-14 16:59 ` André Pönitz
2011-10-14 14:58 ` Phil Muldoon
2011-10-14 15:02 ` Paul_Koning
2011-10-16 15:04 ` Ralf Corsepius
2011-10-14 16:10 ` André Pönitz
2011-11-11 22:50 ` Pedro Larroy
2011-11-12 8:28 ` Steinar Bang
2011-11-13 0:05 ` John Hein
2011-11-15 15:02 ` Tom Tromey
2011-11-16 16:59 ` Christopher Faylor
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