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From: mat@amdahl.amdahl.com (Mike Taylor)
Newsgroups: comp.arch
Subject: Re: brash micros versus the Big Iron: not yet
Message-ID: <12953@amdahl.amdahl.com>
Date: Wed, 26-Aug-87 12:56:33 EDT
Article-I.D.: amdahl.12953
Posted: Wed Aug 26 12:56:33 1987
Date-Received: Fri, 28-Aug-87 06:19:31 EDT
References: <622@winchester.UUCP>
Organization: Amdahl Corp, Sunnyvale CA
Lines: 40

In article <622@winchester.UUCP>, mash@mips.UUCP (John Mashey) writes:
> 
> Chuck: how about enlightening us all by posting the current Amdahl
> high-end machines' salient characteristics?  cycle time?
> cache-sizes? mips-ratings? number of CPUs?  The numbering has gone
> crazy, and it's hard to know what's faster than what up there.
> -- 

I know you asked Chuck, but since I've recently done some performance
studies on the UTS environment, I'll put two cents in. The 5890 family
is the newest product line from Amdahl, following the 5860 and 470
families. UTS/580 is supported on 5860 and 5890 models in native mode.

Model        CPUs       Cycle                     "MIPS"
                        (ns.)        MVS Commercial      UTS typical
5890-180E     1          15                18                27e
5890-190E     1          15                22                33
5890-200E     2          15                31                46e
5890-300E     2          15                40                60e
5890-400E     3          15                60                90e
5890-600E     4          15                75               112e

e = estimated ( all actual benchmarks have been done on 5890-190
or a UP domain of a 5890-300 which is pretty much the same ). I assumed
that normal ratios would hold good off the baseline model. The -180
is a degrade of the -190, and the -200 is a degrade of the -300.

MVS Commercial MIPS are approximate actual instruction execution rates
for our "typical" MVS commercial workload.

UTS MIPS are relative performance (throughput capacity) to the VAX-11/780
arbitrarily defined as 1 MIPS, not measured instruction execution rate.
We will be doing actual IER measurements soon.

The primary technology is 350 ps. 400 gate ECL arrays, with a few more
exotic chips. All machines are air cooled.
-- 
Mike Taylor                        ...!{ihnp4,hplabs,amd,sun}!amdahl!mat

[ This may not reflect my opinion, let alone anyone else's.  ]