From: Richard Gooch <rgooch@ras.ucalgary.ca>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
"David S. Miller" <davem@redhat.com>, <bcrl@redhat.com>,
<marcelo@conectiva.com.br>, <andrea@suse.de>,
<linux-kernel@vger.kernel.org>
Subject: Re: Locking comment on shrink_caches()
Date: Wed, 26 Sep 2001 11:43:25 -0600 [thread overview]
Message-ID: <200109261743.f8QHhPU08423@vindaloo.ras.ucalgary.ca> (raw)
In-Reply-To: <Pine.LNX.4.33.0109261003480.8327-200000@penguin.transmeta.com>
In-Reply-To: <E15mHjL-0000t8-00@the-village.bc.nu> <Pine.LNX.4.33.0109261003480.8327-200000@penguin.transmeta.com>
Linus Torvalds writes:
> This message is in MIME format. The first part should be readable text,
> while the remaining parts are likely unreadable without MIME-aware tools.
> Send mail to mime@docserver.cac.washington.edu for more info.
Yuk! MIME! I thought you hated it too?
> PIII:
> nothing: 32 cycles
> locked add: 50 cycles
> cpuid: 170 cycles
>
> P4:
> nothing: 80 cycles
> locked add: 184 cycles
> cpuid: 652 cycles
>
> Remember: these are for the already-exclusive-cache cases. ]
>
> What are the athlon numbers?
Athalon 850 MHz:
nothing: 11 cycles
locked add: 12 cycles
cpuid: 64 cycles
BTW: your code had horrible control-M's on each line. So the compiler
choked (with a less-than-helpful error message). Of course, cat t.c
showed nothing amiss. Fortunately emacs doesn't hide information.
Regards,
Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca
next prev parent reply other threads:[~2001-09-26 17:43 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-25 17:49 Marcelo Tosatti
2001-09-25 19:57 ` David S. Miller
2001-09-25 18:40 ` Marcelo Tosatti
2001-09-25 20:40 ` Josh MacDonald
2001-09-25 19:25 ` Marcelo Tosatti
2001-09-25 20:15 ` David S. Miller
2001-09-25 19:02 ` Marcelo Tosatti
2001-09-25 20:24 ` Rik van Riel
2001-09-25 22:26 ` David S. Miller
2001-09-26 17:42 ` Ingo Molnar
2001-09-25 20:28 ` David S. Miller
2001-09-25 21:05 ` Andrew Morton
2001-09-25 21:48 ` David S. Miller
2001-09-25 20:29 ` David S. Miller
2001-09-25 21:00 ` Benjamin LaHaise
2001-09-25 22:03 ` Andrea Arcangeli
2001-09-25 21:55 ` David S. Miller
2001-09-25 22:16 ` Benjamin LaHaise
2001-09-25 22:28 ` David S. Miller
2001-09-26 16:40 ` Alan Cox
2001-09-26 17:25 ` Linus Torvalds
2001-09-26 17:40 ` Alan Cox
2001-09-26 17:44 ` Linus Torvalds
2001-09-26 18:01 ` Benjamin LaHaise
2001-09-26 18:01 ` Dave Jones
2001-09-26 20:20 ` Vojtech Pavlik
2001-09-26 20:24 ` Vojtech Pavlik
2001-09-26 17:45 ` Dave Jones
2001-09-26 17:50 ` Alan Cox
2001-09-26 17:59 ` Dave Jones
2001-09-26 18:07 ` Alan Cox
2001-09-26 18:09 ` Padraig Brady
2001-09-26 18:22 ` Dave Jones
2001-09-26 18:24 ` Linus Torvalds
2001-09-26 18:40 ` Dave Jones
2001-09-26 19:12 ` Linus Torvalds
2001-09-27 12:22 ` CPU frequency shifting "problems" Padraig Brady
2001-09-27 12:44 ` Dave Jones
2001-09-27 23:23 ` Linus Torvalds
2001-09-28 0:55 ` Alan Cox
2001-09-28 2:12 ` Stefan Smietanowski
2001-09-28 8:55 ` Jamie Lokier
2001-09-28 16:11 ` Linus Torvalds
2001-09-28 20:29 ` Eric W. Biederman
2001-09-28 22:24 ` Jamie Lokier
2001-09-26 19:04 ` Locking comment on shrink_caches() George Greer
2001-09-26 18:59 ` George Greer
2001-09-26 17:43 ` Richard Gooch [this message]
2001-09-26 18:24 ` Benjamin LaHaise
2001-09-26 18:48 ` Richard Gooch
2001-09-26 18:58 ` Davide Libenzi
2001-09-26 23:26 ` David S. Miller
2001-09-27 12:10 ` Alan Cox
2001-09-27 15:38 ` Linus Torvalds
2001-09-27 17:44 ` Ingo Molnar
2001-09-27 19:41 ` David S. Miller
2001-09-27 22:59 ` Alan Cox
2001-09-25 22:01 ` Andrea Arcangeli
2001-09-25 22:03 ` David S. Miller
2001-09-25 22:59 ` Andrea Arcangeli
2001-09-25 21:57 ` Andrea Arcangeli
2001-09-26 5:04 Dipankar Sarma
2001-09-26 5:31 ` Andrew Morton
2001-09-26 7:08 ` Dipankar Sarma
2001-09-26 16:52 ` John Hawkes
2001-09-26 6:57 ` David S. Miller
[not found] <fa.cbgmt3v.192gc8r@ifi.uio.no>
[not found] ` <fa.cd0mtbv.1aigc0v@ifi.uio.no>
[not found] ` <i1m66a5o1zc.fsf@verden.pvv.ntnu.no>
2001-09-27 1:34 ` Vojtech Pavlik
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200109261743.f8QHhPU08423@vindaloo.ras.ucalgary.ca \
--to=rgooch@ras.ucalgary.ca \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=andrea@suse.de \
--cc=bcrl@redhat.com \
--cc=davem@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=marcelo@conectiva.com.br \
--cc=torvalds@transmeta.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®