[Mauiusers] Packing small jobs into node sets
aeszter at gwdg.de
Tue Aug 5 01:38:00 MDT 2008
On Aug 4, 2008, at 13:37 , Ronny T. Lampert wrote:
>> a) prefer smaller networks to larger ones (i.e. use a 2-node "net"
>> for a 2-node job rather than allocating two nodes out of a 24-node
>> b) when starting two 1-node jobs, pack them into the same 2-node
>> net rather than occupy one node each out of two different node sets.
> For both a) and b) you want to read here (I cannot tell you the
> exact solution for your problem):
Thank you for the pointer! After reading that chapter, I am pretty
convinced that I can achieve what I want by setting
(although I did not have the opportunity to test).
> You can write your own priority function for node allocations. For
> you also section "220.127.116.11 LOCAL" might be very interesting.
> For example, I have the following
> NODEALLOCATIONPOLICY PRIORITY
> NODECFG[DEFAULT] PRIORITYF='-JOBCOUNT'
> which does the exact reverse of what you want (spread the jobs as
> evenly as possible).
As far as I can see, one could use a similar configuration to make
sure jobs are packed within one node; but this does not say anything
about how nodes are allocated with respect to node sets.
Max-Planck-Institut für biophysikalische Chemie, Abteilung 105
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