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RE: Unix performance

From: Deshpande, Kirti <kirti.deshpande_at_verizon.com>
Date: Tue, 9 Jan 2001 21:33:39 -0600
Message-Id: <10736.126223@fatcity.com>


Hi HP,
Are you sure about the CPUs and their clock speeds? Are they exact same? Do they have identical and swappable (across these two servers) memory chips/modules? If not, that would be the difference. What h/w platform is this?

> -----Original Message-----
> From: hp [SMTP:hp_at_lechateau.ca]
> Sent: Tuesday, January 09, 2001 3:42 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Unix performance
>
> I realize this is probably not the right palce for this put i have a
> puzzeling question
>
> We have recently purchased a second server with the exact same hardware as
> our production server and are currently in the process of performing
> performance tests. Both servers have exactly the same the hardware
> configuration and exactly the same software configuration ( kernel
> configuration, patch levels).
>
> and after running this simple loop that simply does a few basic mathmatic
> opertions, our production server does the loop in 40secs and our new
> server
> does the loop in 10secs. Does anyont konw what could cause such a drastic
> differnce in doing a simple math operation. and yes both tests were
> performed with no other users on the servers.
> this is the loop:
>
> cnt=1
> while [ $cnt -lt 10000 ]; do
> let a=$cnt*785432/43243*7845+54
> let cnt=$cnt+1
> done
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: hp
> INET: hp_at_lechateau.ca
>
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Received on Tue Jan 09 2001 - 21:33:39 CST

Original text of this message

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