From: William Lee Irwin III <wli@holomorphy.com>
To: linux-kernel@vger.kernel.org
Subject: 2.5.31 kmap_atomic copy_*_user benefits
Date: Thu, 15 Aug 2002 16:21:26 -0700 [thread overview]
Message-ID: <20020815232126.GR15685@holomorphy.com> (raw)
With and without kmap_atomic() -based copy_*_user() patches from akpm.
Taken on a 16x/16GB box.
Take 1: total throughput:
before:
Throughput 32.3019 MB/sec (NB=40.3774 MB/sec 323.019 MBit/sec) 512 procs
after:
Throughput 46.9837 MB/sec (NB=58.7296 MB/sec 469.837 MBit/sec) 512 procs
In the follow-ups I'll include oprofile numbers for each and vmstat logs.
Cheers,
Bill
next reply other threads:[~2002-08-15 23:19 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-15 23:21 William Lee Irwin III [this message]
2002-08-15 23:26 ` 2.5.31 kmap_atomic copy_*_user benefits William Lee Irwin III
2002-08-15 23:27 ` William Lee Irwin III
2002-08-15 23:30 ` William Lee Irwin III
2002-08-15 23:31 ` William Lee Irwin III
2002-08-15 23:35 ` William Lee Irwin III
2002-08-18 8:36 ` Daniel Phillips
2002-08-16 2:10 ` Dave Hansen
2002-08-16 2:44 ` William Lee Irwin III
2002-08-16 2:52 ` Dave Hansen
2002-08-16 6:33 ` Andrew Morton
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=20020815232126.GR15685@holomorphy.com \
--to=wli@holomorphy.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