From owner-freebsd-sparc  Mon Dec  9  6:50:19 2002
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Date: Mon, 09 Dec 2002 15:50:12 +0100
From: Michael Schuster <michael.schuster@sun.com>
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To: Mikhail Teterin <mi+mx@aldan.algebra.com>,
	freebsd-sparc@freebsd.org
Subject: [Fwd: why would Sparc be soo sloow?]
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I wrote:
> 
> Mikhail Teterin wrote:
> 
> >
> > = - other HW config aspects, like storage in use, etc for both (!)
> > = machines, as well as characteristic of the application, such
> > = as
> > = - memory footprint
> > = - I/O behaviour, etc.
> >
> > Very little -- all the program is doing is computations -- the CPU is
> > the bottleneck on both machines.
> 
> if this really is the case, patch 111722-01 may help you.

a few tests showed that that's likely.

> > Very suprising, for, according even to truss(1), the program makes no
> > system calls at all

You're seeing the effects of trap handling.

HTH
Michael

Recursion, n.: see 'Recursion'

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