public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@digeo.com>
To: "David S. Miller" <davem@redhat.com>
Cc: manfred@colorfullife.com, linux-netdev@oss.sgi.com,
	linux-kernel@vger.kernel.org
Subject: Re: Info: NAPI performance at "low" loads
Date: Tue, 17 Sep 2002 14:32:09 -0700	[thread overview]
Message-ID: <3D879F59.6BDF9443@digeo.com> (raw)
In-Reply-To: 20020917.135939.52477700.davem@redhat.com

"David S. Miller" wrote:
> 
>    From: Manfred Spraul <manfred@colorfullife.com>
>    Date: Tue, 17 Sep 2002 21:53:03 +0200
> 
>    Receiver:
>      $ loadtest
> 
> This appears to be x86 only, sorry I can't test this out for you as
> all my boxes are sparc64.
> 
> I was actually eager to try your tests out here.
> 
> Do you really need to use x86 instructions to do what you
> are doing?  There are portable pthread mutexes available.

There is a similar background loadtester at
http://www.zip.com.au/~akpm/linux/#zc .

It's fairly fancy - I wrote it for measuring networking
efficiency.  It doesn't seem to have any PCisms....

(I measured similar regression using an ancient NAPIfied
3c59x a long time ago).

  reply	other threads:[~2002-09-17 21:27 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-17 19:53 Info: NAPI performance at "low" loads Manfred Spraul
2002-09-17 20:59 ` David S. Miller
2002-09-17 21:32   ` Andrew Morton [this message]
2002-09-17 21:26     ` David S. Miller
2002-09-17 21:45       ` Andrew Morton
2002-09-17 21:39         ` David S. Miller
2002-09-17 21:54           ` Jeff Garzik
2002-09-17 21:49             ` David S. Miller
2002-09-18  2:11               ` Jeff Garzik
2002-09-18  2:06                 ` David S. Miller
2002-09-18  2:36                   ` Jeff Garzik
2002-09-17 21:58           ` Andrew Morton
2002-09-18  0:57             ` jamal
2002-09-18  1:00               ` David S. Miller
2002-09-18  2:16                 ` Andrew Morton
2002-09-18 17:27                 ` Eric W. Biederman
2002-09-18 17:50                   ` Alan Cox
2002-09-19 14:58                     ` Eric W. Biederman
2002-09-18 20:23                   ` David S. Miller
2002-09-18 20:43                     ` Alan Cox
2002-09-18 20:46                       ` David S. Miller
2002-09-18 21:15                         ` Alan Cox
2002-09-18 21:22                           ` David S. Miller
2002-09-19 15:03                             ` Eric W. Biederman
2002-09-19 15:53                               ` Alan Cox

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=3D879F59.6BDF9443@digeo.com \
    --to=akpm@digeo.com \
    --cc=davem@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-netdev@oss.sgi.com \
    --cc=manfred@colorfullife.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