HP-MPI Version 2.2.5 for Linux Release Note

HP-MPI V2.2.5 for Linux Release Note

What’s in This Version

Provides an easy way to modify the arguments contained in an appfile by supplying a list

of space-separated arguments that mpirun should ignore.

% setenv MPI_USEPRUN_IGNORE_ARGS <option>

prun arguments:

• -n, --ntasks=ntasks

Specify the number of processes to run.

• -N, --nodes=nnodes

Request that nnodes nodes be allocated to this job.

• -m, --distribution=(block|cyclic)

Specify an alternate distribution method for remote processes.

• -w, --nodelist=host1,host2,... or filename

Request a specific list of hosts.

• -x, --exclude=host1,host2,... or filename

Request that a specific list of hosts not be included in the resources allocated to this job.

• -l, --label

Prepend task number to lines of stdout/err.

For more information on prun arguments, refer to the prun man page.

Using the -prun argument from the mpirun command line is still supported.

New mpirun command line launch options HP-MPI 2.2.5 supports these new mpirun

command line launch options.

Four new options are provided for command line job launching of the same executable across a

collection of hosts. These four options are:

• -hostlist <quoted-host-list>

• -hostfile <filename>

• -lsb_hosts

• -lsb_mcpu_hosts