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#!/usr/bin/perl
use warnings;
...

MPI_Init() or die("Error: $!\n");
MPI_Finalize();

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> perl -c init.pl
Can't load '/usr/local/lib/perl/5.10.0/auto/Parallel/MPI/Simple/Simple
+.so' for module Parallel::MPI::Simple: /usr/local/lib/perl/5.10.0/aut
+o/Parallel/MPI/Simple/Simple.so: undefined symbol: ompi_mpi_char at /
+usr/lib/perl/5.10/DynaLoader.pm line 196.

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> ldd usr/local/lib/perl/5.10.0/auto/Parallel/MPI/Simple/Simple.so
        linux-gate.so.1 =>  (0xb8058000)
...
        libm.so.6 => /lib/tls/i686/cmov/libm.so.6 (0xb7bd0000)
        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb7bc1000)
        /lib/ld-linux.so.2 (0xb8059000)

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> strings /usr/local/lib/perl/5.10.0/auto/Parallel/MPI/Simple/Simple.s
+o | grep mpi
ompi_mpi_comm_world
...
ompi_mpi_int
ompi_mpi_char
libmpich-p4mpd.so.1.0

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#!/usr/bin/perl
use warnings;
...

MPI_Init() or die("Error: $!\n");
MPI_Finalize();

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```
> perl -c  init.pl
init.pl syntax OK
```

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> mpirun -np 2 perl init.pl
MPI_Init: no arguments found in the argv at init.pl line 7.
MPI_Init: no arguments found in the argv at init.pl line 7.

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>  mpirun -np 2 perl init.pl  asdada
Fatal error in MPI_Errhandler_set: Invalid communicator, error stack:
...
Fatal error in MPI_Errhandler_set: Invalid communicator, error stack:
MPI_Errhandler_set(121): MPI_Errhandler_set(comm=0x5b, errh=0x78) fail
+ed
MPI_Errhandler_set(72).: Invalid communicator