hi all
I am trying to play with openmpi in a ubuntu 12.04 machine.
I am installed openmpi 1.5 and test it with a simple program
#include <iostream>
#include <mpi.h>
int main(int argc, char *argv[])
{
int numprocessors, rank, namelen;
char processor_name[MPI_MAX_PROCESSOR_NAME];
MPI_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &numprocessors);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Get_processor_name(processor_name, &namelen);
if ( rank == 0 )
{
std::cout << "Processor name: " << processor_name << "\n";
std::cout << "master (" << rank << "/" << numprocessors << ")\n";
} else {
std::cout << "slave (" << rank << "/" << numprocessors << ")\n";
}
MPI_Finalize();
return 0;
}
$mpic++ -W -Wall test.cpp -o test
$mpirun -np 4 test
****************************************************************************
* Hwloc has encountered what looks like an error from the operating system.
*
* object intersection without inclusion!
* Error occurred in topology.c line 594
*
* Please report this error message to the hwloc user's mailing list,
* along with the output from the hwloc-gather-topology.sh script.
****************************************************************************
--------------------------------------------------------------------------
mpirun noticed that the job aborted, but has no info as to the process
that caused that situation.
