HP-MPI Version 2.2.5 for Linux Release Note

HP-MPI V2.2.5 for Linux Release Note
What’s in This Version
9
NOTE 32-bit apps are not supported on InfiniBand when running on Opteron AMD64
or Intel EM64T machines.
Benefits and Features
MPI has become the industry standard for distributed technical applications and is widely
supported on most technical computing platforms. HP-MPI offers several benefits.
• 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, such as NUMA
series, 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 Linux includes the following features (which are described in detail in the
next section):
• hpmpi.conf
• Interconnect environment variables
• Support for MPI-2 name publishing
• IB partitioning support
• OpenFabrics support
•InfiniPath support
• New mpirun options for intra-host performance tuning
— -intra=shm
share/man/man1* Man pages for the HP-MPI utilities
share/man/man3* Man pages for the HP-MPI library
doc Release Notes
Table 2 Directory Structure (Continued)
Subdirectory Contents