Because OMPI binds to core by default when np=2. If you have an OpenMP process,
you want to add “--bind-to numa" to your mpirun cmd line.
On Jul 11, 2019, at 10:28 AM, Dangeti Tharun kumar via devel
mailto:devel@lists.open-mpi.org> > wrote:
Hi Devs,
I have build openmpi with LLVM-8
Hi Devs,
I have build openmpi with LLVM-8 compiler, I tried a simple example on a 2
socket machine.
The following is the output of mpirun from ICC(intel c compiler package)
and mpirun from openmpi:
Why the CPU topology(highlighted below) identified by both of them are
different? Not sure, if
