Timesir,
It sounds like you're using the 4.0.x or 4.1.x release. The one-sided
components were cleaned up in the upcoming 5.0.x release and the
component in question (osc/pt2pt) was removed. You could also try to
compile Open MPI 4.0.x/4.1.x against UCX and use osc/ucx (by passing
`--mca osc ucx` to mpirun). In either case (using UCX or switching to
5.0.x) you should be able to run MPI RMA codes without requiring an
RDMA-capable network.
HTH
Joseph
On 9/10/22 06:55, mrlong336 via users wrote:
*mpirun reports the following error:
*The OSC pt2pt component does not support MPI_THREAD_MULTIPLE in this
release.
Workarounds are to run on a single node, or to use a system with an RDMA
capable network such as Infiniband.
*Does this error mean that the network must support RDMA if it wants
to run distributed? Will Gigabit/10 Gigabit Ethernet work?
*
Best regards,
*Timesir*
*mrlong...@gmail.com
*
