From owner-freebsd-smp  Wed Feb 27 12:38:26 2002
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Subject: Re: Performance vs. Stable
From: Bob Van Valzah <Bob@Talarian.Com>
To: Bruce Evans <bde@zeta.org.au>
Cc: Robert Watson <rwatson@FreeBSD.ORG>,
	Jorge Aldana <jorge@salk.edu>, Garance A Drosihn <drosih@rpi.edu>,
	smp@FreeBSD.ORG
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On Wed, 2002-02-27 at 05:36, Bruce Evans wrote:
> You should use a more recent version of lmbench,

That's exactly the sort of advice I needed. Thanks!

> but you might be
> rediscovering wheels here.  John Dyson used lmbench many years ago to
> motivate large optimizations in vm.  I have used an alpha version of
> lmbench2 since 1997 and have a database of about 100 files for interesting
> milestones.  I must have run it thousands of times.  The web site
> pointed to at the beginning of this thread has a not-so-alpha version.
> It is a bit nicer than the 1997 version (it now gives times in nanoseconds
> which is very necessary for current CPUs), but I haven't switched to
> it because it can't parse my database.  The 1997 version is much nicer
> than lmbench1.  It runs much faster and proces much better output and
> has many relatively minor improvements in the basic benchmarks.

Ok, let's get together off-list and work out a plan to avoid duplication
but cary this work forward so we'll have a good time series.

	Bob


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