[torqueusers] Fwd: ncpus anyone?
garrick at usc.edu
Sat Mar 13 21:24:05 MST 2010
I recently learned that irqbalance is another program that learns core
architecture. Maybe some code we can lift.
HPCC/Linux Systems Admin
On Mar 12, 2010, at 11:22 PM, Chris Samuel <chris at csamuel.org> wrote:
> On Wed, 3 Mar 2010 06:12:14 am David Beer wrote:
>> Another enhancement that we're considering is locking memory close
>> to the
>> CPUs (where relevant). I know that on some systems (NUMA, for
>> this is necessary in order to run jobs efficiently.
> Very much agree - can I suggest that you look at the hwloc library
> developed by the Open-MPI developers to provide a way of learning the
> architecture of systems as part of this ?
> Also you may well want to look at supporting control groups
> (cgroups) in
> addition to cpusets as that provides some really handy extra
> features like
> being able to limit the memory usage of a cgroup, good resource usage
> measurement, etc.
> Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC
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