Re: [OMPI users] Hardware topology influence

2022-09-14 Thread Jeff Squyres (jsquyres) via users
It was pointed out to me off-list that I should update my worldview on HPC in VMs. :-) So let me clarify my remarks about VMs: yes, many organizations run bare-metal HPC environments. However, it is no longer unusual to run HPC in VMs. Using modern VM technology, especially when tuned for

Re: [OMPI users] MPI_THREAD_MULTIPLE question

2022-09-14 Thread Barrett, Brian via users
Yes, this is the case for Open MPI 4.x and earlier, due to various bugs. When Open MPI 5.0 ships, we will resolve this issue. Brian On 9/9/22, 9:58 PM, "users on behalf of mrlong336 via users" mailto:users-boun...@lists.open-mpi.org> on behalf of