From: rwhron@earthlink.net
To: linux-kernel@vger.kernel.org
Subject: HIGHIO and CONFIG_2GB boost dbench performance
Date: Sat, 8 Jun 2002 15:58:28 -0400 [thread overview]
Message-ID: <20020608195828.GA10366@rushmore> (raw)
CONFIG_HIGHIO and CONFIG_2GB improved dbench throughput on ext2,
ext3, and reiserfs. I compared 4 2.4.19-pre9-aa2 kernel configs
on a quad Xeon with 3.75 GB ram.
dbench 192 improved more than dbench 64.
ext3 improved 35-65% with these options.
ext2 improved 27-35%.
reiserfs improved 17-30%.
dbench summary is at:
http://home.earthlink.net/~rwhron/kernel/123gb.html
For sequential reads, HIGHIO and 2GB tiobench has increased
throughput and lower cpu utilization. tiobench sequential write
performance in some cases is lower.
--
Randy Hron
reply other threads:[~2002-06-08 19:58 UTC|newest]
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