[GRASS-user] v.net parallelisation issues

Moritz Lennert mlennert at club.worldonline.be
Fri Feb 13 01:26:40 PST 2015


On 13/02/15 08:39, Mark Wynter wrote:
> I’ve encountered a bottleneck somewhere with v.net <http://v.net> when
> scaling out with GNU Parallel… not sure if its an underlying issue with
> v.net <http://v.net> or the way I’m calling the batch jobs?
>
> I’ve got 32 CPUs and commensurate RAM.   What I’m observing is v.net
> <http://v.net> CPU utilisation dropping off in accordance with number of
> jobs running.
>

And this means that you don't get any gain in duration ? Could it be 
that as you divide into more batches each batch is smaller and thus 
needs less CPU ?

Moritz



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