HP-MPI User's Guide (11th Edition)

Understanding HP-MPI
MPI options
Chapter 3134
List of runtime environment variables
The environment variables that affect the behavior of HP-MPI at
runtime are described in the following sections categorized by the
following functions:
•General
•CPU bind
•Miscellaneous
• Interconnect
•InfiniBand
• Memory usage
• Connection related
•RDMA
• prun/srun
•TCP
•Elan
•Rank ID
All environment variables are listed below in alphabetical order.
• MPI_2BCOPY
• MPI_BIND_MAP
• MPI_COMMD
• MPI_CPU_AFFINITY
• MPI_CPU_SPIN
• MPI_DLIB_FLAGS
• MPI_ELANLOCK
• MPI_FLAGS
• MPI_FLUSH_FCACHE
• MP_GANG
• MPI_GLOBMEMSIZE
• MPI_IB_CARD_ORDER