[Pw_forum] pw.x running but nothing happens
Lorenzo Paulatto
paulatto at sissa.it
Mon Sep 7 15:24:32 CEST 2009
In data 07 settembre 2009 alle ore 13:27:31, wangqj1 <wangqj1 at 126.com> ha
scritto:
> I don't know why only display 8 CPUs while I use 2 nodes (16 CPUs)
top only displays process on the node it's running.
> Untill now the job only has 2 iterations form 2:00 PM today ,it is so
> slowly . How can I solve this problem ?
Probably the network connection is slow, use k-point parallelisation
(pools) among different nodes, it is not as efficient as g-space
parallelization, but it requires much less communication.
regards
--
Lorenzo Paulatto
SISSA & DEMOCRITOS (Trieste)
phone: +39 040 3787 511
skype: paulatz
www: http://people.sissa.it/~paulatto/
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