[MITgcm-support] MITgcm on cluters!
Matthew Mazloff
mmazloff at MIT.EDU
Fri Mar 30 00:53:57 EDT 2007
There are many reasons why it may be slower...many...and there are
many ways to speed it up....so it is hard to say...for starters, what
is your tile size?
have you tried setting usesinglecpuio = true; this can be very
beneficial when one is using 64 cpus.
On Mar 30, 2007, at 12:48 AM, Van Thinh Nguyen wrote:
> Hi,
>
> I tried to run MITgcm on a cluster, I used 64 cpus. Unfortunately,
> in comparion with the same run on share memory (SMP) (used on 32
> cpus), it shows the code runs very slowly on cluster. Does anyone
> know an idea to speedup the run on a cluster.
>
> Thanks,
>
> Van Thinh
>
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