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On 23/07/13 17:06, Christopher Samuel wrote:
> Bringing up a new IBM SandyBridge cluster I'm running a NAMD test
> case and noticed that if I run it with srun rather than mpirun it
> goes over 20% slower.
Following on from this issue, we've found t
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On 07/08/13 16:18, Christopher Samuel wrote:
> Anyone seen anything similar, or any ideas on what could be going
> on?
Apologies, forgot to mention that Slurm is set up with:
# ACCOUNTING
JobAcctGatherType=jobacct_gather/linux
JobAcctGatherFrequency
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On 07/08/13 16:19, Christopher Samuel wrote:
> Anyone seen anything similar, or any ideas on what could be going
> on?
Sorry, this was with:
# ACCOUNTING
JobAcctGatherType=jobacct_gather/linux
JobAcctGatherFrequency=30
Since those initial tests we'
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On 07/08/13 16:59, Janne Blomqvist wrote:
> That is, the memory accounting is per task, and when launching
> using mpirun the number of tasks does not correspond to the number
> of MPI processes, but rather to the number of "orted" processes (1
> per
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