Date: Thu, 04 Mar 1999 10:19:24 +0800 From: Stephen Hocking-Senior Programmer PGS Tensor Perth <shocking@prth.pgs.com> To: hackers@freebsd.org Cc: shocking@bandicoot.prth.tensor.pgs.com Subject: Re: Panic in FFS/4.0 as of yesterday - update Message-ID: <199903040219.KAA26249@ariadne.tensor.pgs.com> In-Reply-To: Your message of "Wed, 03 Mar 1999 08:13:39 PST." <bulk.2183.19990303081339@hub.freebsd.org>
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> MUSBUS is now quite old - I believe it was developed around 1981. I
> have a paper Ken McDonell presented at AUUG'91 when he discussed some
> of its shortcomings at that time [and there are probably more now].
>
> I've also heard him state (possibly during that presentation) that
> MUSBUS was designed to benchmark systems around 1 MIPS (ie a VAX
> 11/780), and results obtained on a `current' (ie 5-10 years old now)
> system probably reflect bottlenecks in MUSBUS, rather than the system
> under test.
>
Yeah - remember porting this beast to Microport V.2, back on an old 286.
Needed some explicit (char *) casts as I recall (sizeof int != sizeof ptr).
Now with the 64 bit CPUs, we're seeing those problems again...
Stephen
--
The views expressed above are not those of PGS Tensor.
"We've heard that a million monkeys at a million keyboards could produce
the Complete Works of Shakespeare; now, thanks to the Internet, we know
this is not true." Robert Wilensky, University of California
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