[Simh] VUPs?

[Hittner, David T.]

The number is fairly accurate, in terms of how much real work can be
done by the VMS system, as a *comparative* measure.

My laptop running SIMH VAX can beat my real VaxStation 4000/VLC running
a real-world timing test by approximately the same ratio as the two's
comparative VUPS rating, as measured by the VUPS.COM procedure.

The number generated by VUPS.COM does NOT necessarily correlate to the
Digital's official published VUP rating for VAXen or Alphas. I believe
SRI has a disclaimer to that effect.

Dave

-----Original Message-----
From: simh-bounces at trailing-edge.com
[mailto:simh-bounces at trailing-edge.com] On Behalf Of Villy Madsen
Sent: Thursday, April 03, 2008 7:13 PM
To: 'Zachary Kline'; simh at trailing-edge.com
Subject: Re: [Simh] VUPs?

Well

It's a  laptop....

Also SimH only uses a single core...

It also depends on how the emulator is compiled - with all the debug
stuff on it or fully optomized...

My p4 1.5 Ghz gives about 8 vups...

The 3 ghz Celeron about 16 vups

Villy

-----Original Message-----
From: simh-bounces at trailing-edge.com
[mailto:simh-bounces at trailing-edge.com] On Behalf Of Zachary Kline
Sent: Thursday, April 03, 2008 16:33
To: simh at trailing-edge.com
Subject: [Simh] VUPs?

Hi,
    I was just curious about the issue of VUPS today, having read
somewhere that Digital used this as a measure of the relative
performance of VAX CPUs as compared with the VAX 11/780.
    I downloaded and ran a file called vups.com from Emulator's
International.
It reported a value ranging from around 8.0 to 8.2, this being on a
duel core laptop.  I was just curious how 'authentic' this number is,
but I can't seem to find specifications for the KA655 which give its
typical levels.
    I must admit I'm surprised.  I read elsewhere that typical computers
of several years ago gave VUPS ratings of 13 or so if not more.  This
might just be an underpowered laptop, I guess...
Any thoughts?
Thanks,
Zack.

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