Re: [Beowulf] [EXTERNAL] Re: perl with OpenMPI gotcha?

If Joe has interpreted your need correctly, I’ll second the suggestion of pdsh – it’s simple, it works pretty well, it’s “transport” independent (I use it to manage a cluster of beagleboards over WiFi). Typically I wind up with a shell script on the head node and some shell scripts on the worke

Re: [Beowulf] perl with OpenMPI gotcha?

On Fri, 20 Nov 2020, David Mathog wrote: I should add that passwordless ssh and regular OpenMPI (simple bash script via mpirun) both work fine on the test machine: ssh localhost hostname #poweredge.cluster cat >/tmp/test.sh

Re: [Beowulf] perl with OpenMPI gotcha?

On 11/20/20 4:43 PM, David Mathog wrote: [...] Also, searching turned up very little information on using MPI with perl. (Lots on using MPI with other languages of course.) The Parallel::MPI::Simple module is itself almost a decade old. We have a batch manager but I would prefer not to use it

[Beowulf] perl with OpenMPI gotcha?

I'm hoping one of you has been to the end of this road already and can point out what is going wrong. I have some perl scripts which have been carried along for a couple of decades now which use PVM to start simple jobs on the compute nodes, wait for them to finish (listing jobs as they close