Package: mpich2

"mpich2" package binaries on CentOS:

/usr/bin/check_callstack /usr/bin/clog2_join /usr/bin/clog2_print /usr/bin/clog2_repair /usr/bin/mpdallexit /usr/bin/mpdallexit.py /usr/bin/mpdboot /usr/bin/mpdboot.py /usr/bin/mpd /usr/bin/mpdcheck /usr/bin/mpdcheck.py /usr/bin/mpdchkpyver.py /usr/bin/mpdcleanup /usr/bin/mpdcleanup.py /usr/bin/mpdexit /usr/bin/mpdexit.py /usr/bin/mpdgdbdrv.py /usr/bin/mpdhelp /usr/bin/mpdhelp.py /usr/bin/mpdkilljob /usr/bin/mpdkilljob.py /usr/bin/mpdlib.py /usr/bin/mpdlistjobs /usr/bin/mpdlistjobs.py /usr/bin/mpdman.py /usr/bin/mpd.py /usr/bin/mpdringtest /usr/bin/mpdringtest.py /usr/bin/mpdroot /usr/bin/mpdrun /usr/bin/mpdrun.py /usr/bin/mpdsigjob /usr/bin/mpdsigjob.py /usr/bin/mpdtrace /usr/bin/mpdtrace.py /usr/bin/mpiexec /usr/bin/mpiexec.gforker /usr/bin/mpiexec.hydra /usr/bin/mpiexec.py /usr/bin/mpirun /usr/bin/mpirun.py /usr/bin/parkill /usr/bin/pmi_proxy /usr/bin/rlog_check_timeorder /usr/bin/rlog_print /usr/lib64/mpich2/bin/mpich2version /usr/lib64/mpich2/bin/mpiexec /usr/lib64/mpich2/bin/mpirun /usr/lib/mpich2/bin/mpich2version /usr/lib/mpich2/bin/mpiexec /usr/lib/mpich2/bin/mpirun

You may install this package on CentOS with yum install mpich2