Filter
Top Products
prun(1)
RMS_STDOUTMODE
Specifies the mode for redirecting standard output from a parallel
program. The -o option overrides the value of this environment
variable. Values for mode are the same as those used with the -o
option.
RMS_STDERRMODE
Specifies the mode for redirecting standard error from a parallel
program. The -e option overrides the value of this environment
variable. Values for mode are the same as those used with the -e
option.
prun passes all existing environment variables through to the processes that it
executes. In addition, it sets the following environment variables:
RMS_JOBID The identifier for the job.
RMS_NNODES The number of nodes used by the application.
RMS_NODEID The logical identifier of the node within the set allocated to the
application.
RMS_NPROCS The total number of processes in the application.
RMS_RANK The rank of the process in the application. The rank ranges from 0
to n-1, where n is the number of processes in the program.
RMS_RESOURCEID The identifier of the allocated resource.
EXAMPLES
In the following example, prun is used to run a four-process program with no
specification of where the processes should run.
$ prun -n 4 hostname
atlas0.quadrics.com
atlas0.quadrics.com
atlas0.quadrics.com
atlas0.quadrics.com
The machine atlas has four CPUs per node and so, by default, the scheduler allocates
all four CPUs on one node to run the program. Add the -N option, as follows, to control
how the processes are distributed over nodes.
RMS Commands 5-17