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NAME

       gfmpirun_p4 - run Gfarm parallel programs with mpirun

SYNOPSIS

       gfmpirun_p4 [ options ] command args ...

DESCRIPTION

       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.

BUGS

       gfmpirun_p4 can only work with the MPICH/p4.

SEE ALSO

       gfrun(1)