From: "Alan D. Brunelle" <Alan.Brunelle@hp.com>
To: "Alan D. Brunelle" <Alan.Brunelle@hp.com>
Cc: Jens Axboe <jens.axboe@oracle.com>,
linux-kernel@vger.kernel.org, npiggin@suse.de, dgc@sgi.com
Subject: Re: IO CPU affinity test results
Date: Fri, 14 Mar 2008 11:55:03 -0400 [thread overview]
Message-ID: <47DA9FD7.1070602@hp.com> (raw)
In-Reply-To: <47DA8078.7060804@hp.com>
4-way IA64, better, but not good after 30 runs (in single user mode):
Part RQ MIN AVG MAX Dev
----- -- ------ ------ ------ ------
mkfs 0 18.893 19.429 20.129 0.351
mkfs 1 18.912 19.347 19.934 0.258
untar 0 17.007 17.538 18.829 0.416
untar 1 16.980 17.329 18.369 0.284
make 0 22.050 23.000 23.546 0.400
make 1 22.416 23.141 23.637 0.349
comb 0 58.138 59.967 61.923 0.793
comb 1 58.428 59.817 60.750 0.608
psys 0 7.69% 8.77% 9.93% 0.443
psys 1 8.47% 14.20% 16.33% 2.566
Better run time w/ rq=1 (only 0.25%) but at a huge cost in %sys. Will do some profiling to see what's up.
Alan
prev parent reply other threads:[~2008-03-14 15:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-14 12:14 IO CPU affinity test results Alan D. Brunelle
2008-03-14 12:23 ` Alan D. Brunelle
2008-03-14 12:37 ` Jens Axboe
2008-03-14 12:36 ` Jens Axboe
2008-03-14 13:05 ` Jens Axboe
2008-03-14 13:41 ` Alan D. Brunelle
2008-03-14 15:55 ` Alan D. Brunelle [this message]
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