Pinning to dedicated compute resources is important for pure MPI and even more for hybrid MPI/threaded applications. While all major MPI implementations include their mechanism for pinning, ...

Thank you for taking the time to submit an issue! Background information What version of Open MPI are you using? (e.g., v4.1.6, v5.0.1, git branch name and hash, etc.) I'm compiling from main branc ...