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Date:      Fri, 6 May 2005 11:43:54 -0700
From:      Brooks Davis <brooks@one-eyed-alien.net>
To:        Kris Kennaway <kris@obsecurity.org>
Cc:        current@freebsd.org
Subject:   Re: Benchmarking mpsafevfs with parallel tarball extraction
Message-ID:  <20050506184354.GA12366@odin.ac.hmc.edu>
In-Reply-To: <20050506183529.GA46411@xor.obsecurity.org>
References:  <20050506183529.GA46411@xor.obsecurity.org>

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On Fri, May 06, 2005 at 11:35:29AM -0700, Kris Kennaway wrote:
> Here are my benchmark numbers for parallel tarball extraction
> with/without mpsafevfs on a 12-processor E4500 running up-to-date 6.0.
> Kernel was built without INVARIANTS and other debugging options,
> without ADAPTIVE_GIANT (which causes about a 200% performance penalty
> on system time in my testing, and has marginal impact on real or user
> time) and with 4BSD scheduler (ULE causes spontaneous reboots on this
> machine).  The e4500 uses the esp SCSI controller, which runs
> without Giant.

Excellect writeup!  Thanks for doing this.

Many thanks to Jeff!  Some of my users will certaintly thank you when
we upgrade our cluster to 6.x.

-- Brooks

--=20
Any statement of the form "X is the one, true Y" is FALSE.
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