Subject: Re: MPI problems on a DEC Alpha cluster
From: Jim Rosinski (rosinski@cgd.ucar.edu)
Date: Thu Dec 21 2000 - 12:00:17 MST
On Thu, 21 Dec 2000, Chris Godfred wrote:
> I (and my sysadmin) have been having a hard time trying
> to get the SPMD version of CCM 3.3.6 to run on a
> cluster of DEC machines. I was able to compile and
> run it OK on a single CPU.
If feasible, you may want to try using the tar file for SPMD-enabled CCM3.6.6
made publicly available a few months ago. It is at the NCAR ftp site
ftp.ucar.edu in ccm/ccm3.10.11.brnchT.366physics.4.tar.gz. The history tapes
from this model are written directly in netcdf format. The SPMD
implementation is much more efficient than earlier releases. Also, the code
has been validated on an IBM SP as well as a Compaq ES40 cluster. Hope this
helps.
Regards,
Jim Rosinski
CCM Core Group
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