Install libpmix-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libpmix-dev
Development files for the PMI Exascale library
This is the OpenMPI implementation of the Process Management Interface (PMI) Exascale API. PMIx aims to retain transparent compatibility with the existing PMI-1 and PMI-2 definitions, and any future PMI releases; Support the Instant On initiative for rapid startup of applications at exascale and beyond.