HP-UX 11i June 2003 Release Notes
HP-UX 11i Version 1.0 Operating Environment Applications
HP-UX 11i Technical Computing Operating Environment (TCOE)
Chapter 6
144
HP Message-Passing Interface (MPI)
HP Message-Passing Interface (MPI) is a high-performance implementation of the
Message-Passing Interface Standard. HP MPI complies fully with the 1.2 standard and
partially with the 2.0 standard. HP MPI provides an application programming interface
and software libraries to support parallel, message-passing applications that are
efficient, portable, and flexible.
updated for June
2003
HP MPI has been updated to version 1.8.3 to enhance performance tuning. No new
functionality has been added since version 1.8.1.
updated for
December 2002
HP MPI has been updated to version 1.8.2 to incorporate minor defect fixes. No new
functionality has been added since version 1.8.1.
updated for
September 2002
New features of HP MPI version 1.8.1:
• New start-up utility: mpirun.all
• stdio is no longer processed by default
• Function parameter error checking is now turned off by default
• HyperMessaging Protocol (HMP) is pre-enabled for Itanium-based platforms
updated for June
2002
New features of HP MPI version 1.8:
• HyperFabric/HyperMessaging Protocol (HMP) functionality
• New -show compiler option
• Autodouble functionality
• Extended MPI-2 support
— Dynamic processes (spawn)
— Expanded one-sided communications
— Renamed/Deprecated functions
— New constant MPI_ADDRESS_KIND
— Support for ROMIO
— New command mpiexec
— New constants
— MPI_STATUS_IGNORE
— MPI_STATUSES_IGNORE
— MPI_ERRCODES_IGNORE
— MPI_ARG_NULL
— MPI_ARGS_NULL
• Instrumentation changes
— New MPI_INSTR option
— Reported statistics expanded
• New MPI_FLAGS=T option