(Scyld Beowulf)All nodes up, but processes run on only one node?
agrajag at scyld.com
Fri Aug 10 10:48:59 EDT 2001
On Fri, 10 Aug 2001, Eric T. Miller wrote:
> Admitted newbie, two quick questions. Cluster consists of 9 AMD K62/350's
> running the demo version of Scyld
> 1. When I run the Mandelbrot renderer, only one of the nodes seems to be
> processing a job, by the output of the BeoStatus. The processor % and
> network bandwidth % on the other two slaves remains unchanged during the
> process? If I run the process with only one node attached (regardless which
> one), it will run fine on that node. When I connect two or more slaves, it
> still only registers using resources on one node (usually the last node I
> brought up)?
That should tell MPI to use 9 processors (you need to have the number be
the number of slave processors [not nodes] you want to use, plus 1 for
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