problems running SCALAPACK
Horatio B. Bogbindero
wyy at cersa.admu.edu.ph
Thu Sep 7 22:03:42 PDT 2000
>
> Did you do it with my compiled Scalapack http://ie.korea.ac.kr/~supercom/software/ ?
>
i am doing it right now.
> and How about try
>
> [wyy,/home/apps/libs/SCALAPACK/TESTING,02:15]$ mpirun -np 8 xdlutime
>
this is what i did. mpirun N xdlutime which is the same as mpirun -np 8
xdlutime. what i do not understand is when i checked the processing nodes
i saw that the job was able to propagate through the network. i just do
not understand why there is not output?
> instead of
>
> [wyy,/home/apps/libs/SCALAPACK/TESTING,02:15]$ mpirun 8 xdlutime
>
> from Yoon Jae Ho
> Seoul,Korea
>
>
> > now. i have also successfully compiled SCALAPACK with no
> > problems. however, when i ran the xdlutime program for benchmarking there
> > are no results?
> >
> > here is the output:
> > --------------
> > [wyy,/home/apps/libs/SCALAPACK/TESTING,02:15]$ mpirun N xdlutime
> >
> > Simple Timer for ScaLAPACK routine PDGESV
> > Number of processors used: 8
> >
> > TIME N NB P Q LU Time Sol Time MFLOP/S Residual CHECK
> > ---- ----- --- --- --- --------- --------- -------- -------- -------
> >
> > Comments for the output:
> > Column 1: the time is the wall clock time
> > Column 2 & 3: matrix size (N by N) and block size (NB by NB)
> > Column 4 & 5: grid size (P by Q)
> > Column 6: total time (in seconds) to run PDGESV
> > Column 7: mega flops per seconds
> > Column 8: if PDGESV works fine
> >
> > --------------
> >
> > what could be wrong? pardon my ignorance.
> >
> > ---------------------
> > william.s.yu at ieee.org
> >
> > While we are sleeping, two-thirds of the world is plotting to do us in.
> > -- Dean Rusk
> >
> >
> >
> > _______________________________________________
> > Beowulf mailing list
> > Beowulf at beowulf.org
> > http://www.beowulf.org/mailman/listinfo/beowulf
>
---------------------
william.s.yu at ieee.org
Send your questions to ``ASK ZIPPY'', Box 40474, San Francisco, CA
94140, USA
More information about the Beowulf
mailing list