HP-UX 11i Version 2 June 2007 Release Notes

Libraries and Programming
HP MPI
Chapter 10
198
HP MPI
HP MPI Version 2.2.5 is a high-performance implementation of the Message Passing
Interface standard. HP MPI complies fully with the 1.2 standard and provides full MPI-2
functionality. HP MPI provides an application programming interface and software
libraries to support parallel, message passing applications that are efficient, portable,
and flexible.
Summary of Change
New features include the following:
• MPI-2 name publishing support
•New mpirun option -netaddr
• New environment variables:
— MPI_NETADDR
— MPI_IB_CARD_ORDER
— MPI_NRANKS
— MPI_RANKID
— MPI_LOCALNRANKS
— MPI_LOCALRANKID
Impact
There are no impacts.
Compatibility
There are no known compatibility issues.
Performance
There are no known performance issues.
Documentation
Manpages are installed in /opt/mpi/share/man. Manpages for HP MPI utilities are
located in man1*. Manpages for the HP MPI library are located in man3*.
The HP MPI User’s Guide (Ninth Edition) is available at
http://docs.hp.com/en/B6060-96018/index.html
The HP MPI V2.2.5 for HP-UX Release Note is available at
http://docs.hp.com/en/B6060-96023/index.html