HP-MPI Version 2.2.5 for HP-UX Release Note

HP-MPI V2.2.5 for HP-UX Release Note
What’s in This Version
8
• Applications developed using HP-MPI port easily to other platforms, even those with a
different architecture.
• HP-MPI takes advantage of HP's shared-memory server architectures in order to get the
most performance out of the system without compromising portability and flexibility.
• Technical application providers using HP-MPI protect their software investment using a
highly-efficient, portable tool for parallel application development.
HP-MPI 2.2.5 for HP-UX includes the following new features (which are described in detail in
the next section):
• MPI-2 name publishing support
• New mpirun option -netaddr
HP-MPI 2.2.5 for HP-UX also includes the following new environment variables:
Misc. HP-MPI Environment Variables
• MPI_NETADDR
• MPI_IB_CARD_ORDER
Rank Identification Environment Variables
• MPI_NRANKS
• MPI_RANKID
• MPI_LOCALNRANKS
• MPI_LOCALRANKID
Description of Features
The following section provides brief descriptions of the new features included in this release.
For more information on HP-MPI, refer to the HP-MPI User’s Guide available at
http://docs.hp.com.
MPI-2 name publishing support
HP-MPI now supports the MPI-2 dynamic process functionality MPI_Publish_name,
MPI_Unpublish_name, MPI_Lookup_name, with the restriction that a separate nameserver
must be started up on a server.
The service can be started as:
% $MPI_ROOT/bin/nameserver