HP-MPI Version 2.2 for HP-UX Release Note

HP-MPI V2.2 for HP-UX Release Note

What’s in This Version

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 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 for HP-UX includes the following new features:

• C++ bindings

• New mpirun command line launch options

— -hostlist

— -hostfile

— -lsb_hosts

— -lsb_mcpu_hosts

• MPI-2 supported ROMIO

• CPU bind support

• Signal Propagation

HP-MPI 2.2 for HP-UX includes the following new environment variables:

• MPI_RDMA_MSGSIZE

• MPI_RDMA_NENVELOPE

• MPI_RDMA_NSRQRECV

• MPI_RDMA_NFRAGMENT

• MPI_RDMA_NONESIDED

• MPI_MAX_REMSH

• MPI_RANKMEMSIZE