Hi there (sorry I forgot the testing code in my last mail)
I use LAM MPI (7.1.1) on a Debian Sarge 3.1 System. Since I need the
Fortran interface I recompiled the library instead of using the Debian
packages. I use a single Intel P4 PC and two Alpha worstations as a
(very) small cluster for testing purposes. On all machines Debian 3.1 is
used.
For the PC I used the subsequent configure command:
./configure --prefix=/mypath/ --with-fc=ifort --with-rsh="ssh -x"
and on the Alpha workstations
./configure --prefix=/mypath/ --with-fc=g95 --with-rsh="ssh -x"
on all machines make produces no errors. For testing purposes I wrote a
simple Fortran program (mpi_test.f90) that you will find attached to
this mail. However, after compilation with (mpif77) I get the following
output:
eugen_at_hubbard:~/src/mpi_test$ mpirun -np 3 mpi_test
Processor 0 of 3
Processor 4294967298 of 2199023255555
Processor 4294967297 of 2199023255555
eugen_at_hubbard:~/src/mpi_test$
Obviously rank and size of the MPI environment is not correct on the
Alpha workstations. Is this a known problem? Did I something wrong
(maybe with g95)?
best regards
Eugen Wintersberger
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| Dipl.- Ing. Eugen Wintersberger |
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| Department of semiconductor physics |
| Johannes Kepler University |
| Altenbergerstr. 69 |
| A-4040 Linz, Austria |
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| Tel.: +43 732 2468 9605 |
| Mobil: +43 664 311 286 1 |
| |
| mail: eugen.wintersberger_at_[hidden] |
| eugen.wintersberger_at_[hidden] |
| |
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