[Beowulf] Increasing memory size in Opteron,NACONA,Itanium
Dan Kidger
daniel.kidger at quadrics.com
Thu Dec 30 07:11:31 PST 2004
Rajiiv,
On Wednesday 29 December 2004 3:08 am, Rajiv wrote:
> Dear All,
> I would like to increase the memory size for benchmarking larger order
> matrices for LINPACK. I could do this by setting the environment variable
> P4_GLOBMEMSIZE in IA32 machines. What is the equivalent in Opteron,NACONA,
> and Itanium machines.
the 'P4' in P4_GLOBMEMSIZE refers to a driver model for MPI called 'P4'. It is
nothing to do with the Pentium4
I suspect that for Opteron/Nocona and IA64 for that matter you do not need to
set this variable at all.
Daniel.
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Dr. Dan Kidger, Quadrics Ltd. daniel.kidger at quadrics.com
One Bridewell St., Bristol, BS1 2AA, UK 0117 915 5505
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