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I find that system CPU time of openmpi-1.7rc1 is quite different with
that of openmpi-1.6.2 as shown in the attached ganglia display.
About 2 years ago, I reported a similar behavior of openmpi-1.4.3.
The testing method is what I used at that time.
(please see my post entitled "SYSTEM CPU with OpenMPI 1.4.3")
Is this due to a pre-released version's check routine or does
something go wrong?
TYPE (DMUMPS_STRUC) MUMPS_PAR
MUMPS_PAR%COMM = MPI_COMM_WORLD
MUMPS_PAR%SYM = 1
MUMPS_PAR%PAR = 1
MUMPS_PAR%JOB = -1 ! INITIALIZE MUMPS
CALL MPI_COMM_RANK( MPI_COMM_WORLD, MYID, IERR )
IF ( MYID .EQ. 0 ) CALL SLEEP(180) ! WAIT 180 SEC.
MUMPS_PAR%JOB = -2 ! FINALIZE MUMPS
( This does nothing but just calls intialize & finalize
routine of MUMPS & MPI)
command line : mpirun -host node03 -np 16 ./testrun
(See attached file: openmpi17rc1-cmp.bmp)