From: Roger Larsson <roger.larsson@skelleftea.mail.telia.com>
To: linux-kernel@vger.kernel.org
Subject: 2.4.8-pre1 and dbench -20% throughput
Date: Fri, 27 Jul 2001 23:08:04 +0200 [thread overview]
Message-ID: <200107272112.f6RLC3d28206@maila.telia.com> (raw)
Hi all,
I have done some throughput testing again.
Streaming write, copy, read, diff are almost identical to earlier 2.4 kernels.
(Note: 2.4.0 was clearly better when reading from two files - i.e. diff -
15.4 MB/s v. around 11 MB/s with later kenels - can be a result of disk
layout too...)
But "dbench 32" (on my 256 MB box) results has are the most interesting:
2.4.0 gave 33 MB/s
2.4.8-pre1 gives 26.1 MB/s (-21%)
Do we now throw away pages that would be reused?
[I have also verified that mmap002 still works as expected]
/RogerL
next reply other threads:[~2001-07-27 21:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-27 21:08 Roger Larsson [this message]
2001-07-27 21:42 ` 2.4.8-pre1 and dbench -20% throughput Rik van Riel
2001-07-27 22:34 ` Daniel Phillips
2001-07-27 23:43 ` Roger Larsson
2001-07-28 1:11 ` Daniel Phillips
2001-07-28 0:35 ` Steven Cole
2001-07-28 2:04 ` Daniel Phillips
2001-07-30 13:15 ` Marcelo Tosatti
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=200107272112.f6RLC3d28206@maila.telia.com \
--to=roger.larsson@skelleftea.mail.telia.com \
--cc=linux-kernel@vger.kernel.org \
/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