[mpich-discuss] mpich run error

[Bland, Wesley B.]

It appears that you need to start at the beginning to get some of the basics of MPI. This mailing isn’t a good forum to teach you everything you need to know, but there are great tutorials all over the web to help you out.

One of my favorites for some of the most beginner topics is: http://mpitutorial.com

Check that out and see if it helps with your problems. I’d also recommend the “Using MPI” series of books.

Thanks,
Wesley

On Nov 29, 2014, at 10:00 PM, نازنین <nazanin.mirshokraei at gmail.com<mailto:nazanin.mirshokraei at gmail.com>> wrote:

please give me more detail . you mean to compile mpich-3.0.4 with what flags?

./configure --prefix=/home/nazanin/program_install/mpich-3.0.4
make
make install

do u mean to add another flag to the command ?
thanks
nazi

On Sat, Nov 29, 2014 at 8:53 AM, Junchao Zhang <jczhang at mcs.anl.gov<mailto:jczhang at mcs.anl.gov>> wrote:

Try to compile your program with mpicc or mpicxx

On Nov 29, 2014 8:15 AM, "نازنین" <nazanin.mirshokraei at gmail.com<mailto:nazanin.mirshokraei at gmail.com>> wrote:
thank u for your reply .... can you please tell me what is the reason? it is my first time running a mpi ....
i compiled a program with cpp which tells to use :
export           USE_MPI=on            # distributed-memory parallelism
 export        USE_MPIF90=on              # compile with mpif90 script
 export         which_MPI=mpich         # compile with MPICH library
#export         which_MPI=mpich2        # compile with MPICH2 library
# export         which_MPI=openmpi       # compile with OpenMPI library

#export        USE_OpenMP=on            # shared-memory parallelism

# export              FORT=ifort
export              FORT=gfortran
#export              FORT=pgi

 #export         USE_DEBUG=              # use Fortran debugging flags
 export         USE_LARGE=on            # activate 64-bit compilation
#export       USE_NETCDF4=on            # compile with NetCDF-4 library
#export   USE_PARALLEL_IO=on            # Parallel I/O with Netcdf-4/HDF5

#export       USE_MY_LIBS=on            # use my library paths below



and then it gives me a file(coawstM) and the manual tells me to run that file in this way :
mpirun -np 2 ./coawstM  swan_only.in<http://swan_only.in/>

what will be the reason? is it because mpich was not compiled truely or the coawstM is not working for a reason?
thank you

On Sat, Nov 29, 2014 at 6:07 AM, Junchao Zhang <jczhang at mcs.anl.gov<mailto:jczhang at mcs.anl.gov>> wrote:
As indicated by the message, you passed an invalid communicator to MPI_Comm_rank() in your program.

--Junchao Zhang

On Sat, Nov 29, 2014 at 4:32 AM, نازنین <nazanin.mirshokraei at gmail.com<mailto:nazanin.mirshokraei at gmail.com>> wrote:
hi does any one know about this error :
Fatal error in PMPI_Comm_rank: Invalid communicator, error stack:
PMPI_Comm_rank(108): MPI_Comm_rank(comm=0x0, rank=0x7fff24a405bc) failed
PMPI_Comm_rank(66).: Invalid communicator
Fatal error in PMPI_Comm_rank: Invalid communicator, error stack:
PMPI_Comm_rank(108): MPI_Comm_rank(comm=0x0, rank=0x7fff63e1598c) failed
PMPI_Comm_rank(66).: Invalid communicator

it is when i run mpich like :
mpirun -np 2 ./coawstM   swan_only.in<http://swan_only.in/>

i don't know if this is a problem in my executable file (coawstM) or this is from mpich or any other hardware issues or anything else
thank you for your help
nazi

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