[Beowulf] slow jobs when run through queue

[Chris Samuel]

On Wednesday, 6 December 2017 8:09:20 PM AEDT Peter Kjellström wrote:

> If you got only a 4x performance reduction when running a 48x over
> subscribe on 1/48 the amount of cores then something is wrong with
> your base line. That is, the "run without queue system" case seems
> suspicsious.

If this is, as I suspect is likely, bioinformatics code it could well be that 
it is a pipeline type application and only part of the application may be able 
to make use of parallelism (and then might not be very good at it).

All the best,
Chris
-- 
 Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC