gfmpirun_p41
Run gfarm parallel programs with mpirun
Usage
gfmpirun_p4 [options]
command
args ...
Overview
gfmpirun_p4 executes a parallel command on filesystem nodes with mpirun provided by MPICH/p4, which is determined by the -G option, the -H option, or the -N option.
-G, -H, and -N options are exclusive. When none of -G, -H, and -N options are not specified, gfmpirun_p4 schedules filesystem nodes by the file-affinity scheduling using the first existent Gfarm file in the argument list args.
Command can be specified by a gfarm-URL that is registered using gfreg(1).
Options
-
-G gfarm-URL -
specifies a Gfarm file gfarm-URL for file-affinity scheduling.
-
-H hostfile -
specifies a hostfile that lists filesystem nodes.
if ``-'' is specified, standard input is used to read the host list.
-
-N np -
specifies the number of nodes np, which are selected by the increasing order of load average.