Re: AMBER6 on IBMSP3

From: David Skinner <dskinner_at_nersc.gov>
Date: Tue 13 Mar 2001 08:18:19 -0800 (PST)

> Hello,
> Can AMBER6 be compiled on IBMSP3 (SHARED MEMORY)? If so, can any
> one kindly let me know what is the machine file (if necessary other
> instructions) to compile on SP3.
>
> (The machine specifications are as follows:
> IBMSP3
> RS6000
> 365 MHz
> 16 processor
> 8 GB Memory)

 Hi Sanjeev,

 Attached is my Machine file for NERSC's SP3 and some performance results.
I would be interested if you find differing results. I have been somewhat
disappointed with the scaling of AMBER's parallel performance though I am
eager to find some way to improve this. Essentially there seems to be no
benefit in running in more than 12-20 processes.

 Regards,

 David

-----------------------------------------------------
Dr. David Skinner User Services Group
dskinner_at_nersc.gov NERSC Division, Berkeley Lab

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Received on Tue Mar 13 2001 - 08:18:19 PST
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