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From: ca@informatik.uni-kiel.dbp.de (Claus Assmann)
Newsgroups: comp.sys.hp
Subject: Help ! Our HP 720 is _slow_ !
Keywords: hp,720,slow,cobra,dhrystone
Message-ID: <4404@idefix.informatik.uni-kiel.dbp.de>
Date: 27 Jun 91 09:15:04 GMT
Article-I.D.: idefix.4404
Organization: Universitaet Kiel, Germany
Lines: 42

Yesterday we got a HP 720 for test purposes.
Since our main test program doesn't run on this machine (although
it did on previous HP PA machines, it dies im malloc()), I tried dhrystone.
This is what I got (best of 8 runs):
Dhrystone(1.1) time for 500000 passes = 8
This machine benchmarks at 60606 dhrystones/second

Ok, this is maybe an old dhrystone version, but our SPARC 2 delivers:
Dhrystone(1.1) time for 500000 passes = 10
This machine benchmarks at 45731 dhrystones/second

In article <2167@brchh104.bnr.ca> (irf@kuling.docs.uu.se (Bo Thide')),
I found the following values for the Cobra:
dhrynr(without reg,without optimization,500000 iter):   58823 Dhrystones/sec
dhryr(with reg,without optimization,500000 iter):       74738 Dhrystones/sec
dhrynro(without reg,with optimization,500000 iter):     100401 Dhrystones/sec
dhryro(with reg,with optimization,500000 iter):         100000 Dhrystones/sec

I have compiled with:
        cc -D_XPG2 -Wl,-a,archive +O3 -o dry -DREG=register dhrystone.c
(taken from above article, but other options deliver worse values).
The output of uname -asnrvmi is:
HP-UX hp720 A.B8.01 A 9000/720 14904132

Some other (small) programs show only 2-3 times better performance than my
SPARC 1.

What do I do wrong ? (wrong compiler, wrong options, wrong OS ?)

I have some more complaints about the machine (the keyboard is awful,
how does the vi recognize the size of the windows,
where is lpr, is sendmail standard, how can I export filesystems (NFS)),
but most things work quite well (NIS, VUE, ...).

We have to do some more tests, but where is the POWER of the machine ?

Thanks in advance for any information,

Claus

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