HP-UX 11i September 2005 Release Notes

Libraries and Programming
HP MPI
Chapter 10
155
Summary of Change
HP MLIB has updated to version 9.4 with quality enhancements.
Impact
The impact of the HP MLIB update is improved performance.
Compatibility
HP MLIB 9.4 is supported on PA-RISC 2.0 11i v1 (or later) and Itanium 2 11i v1.6 (or
later). There are no differences in default behavior or functionality across PA-RISC and
Itanium-based architectures. There are no regressions from previous releases.
Performance
There are no known performance issues.
Documentation
For further information, refer to the following:
• mlib (3M) manpage installed at /opt/mlib/share/man
•Web site at www.hp.com/go/mlib
• HP MLIB User's Guide and release notes at
http://docs.hp.com/hpux/dev/index.html#Performance%20Tools%20and%20Li
braries
Obsolescence
Not applicable.
HP MPI
HP MPI Version 2.1.1 is a high-performance implementation of the Message Passing
Interface (MPI) 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
HP MPI has been updated to version 2.1.1 with the following enhancements:
• Interconnects supported include:
— InfiniBand on Itanium-based systems