Re: [OMPI users] Mpirun 1.5.4 problems when request > 28 slots (updated findings)

2014-08-30 Thread Lane, William
The --bind-to-none switch didn't help, I'm still getting the same errors. The only NUMA package installed on the nodes in this CentOS 6.2 cluster is the following: numactl-2.0.7-3.el6.x86_64 this package is described as: numactl.x86_64 : Library for tuning for Non Uniform Memory Access machines

Re: [OMPI users] Mpirun 1.5.4 problems when request > 28 slots (updated findings)

2014-08-30 Thread Ralph Castain
hwloc requires the numactl-devel package in addition to the numactl one If I understand the email thread correctly, it sounds like you have at least some nodes in your system that have fewer cores than others - is that correct? >> Here are the definitions of the two parallel environments tested