[mpich-discuss] ifort/mpich installation Mac 10.8.5

[Thakur, Rajeev]

What is mpif-common.h? You need to include mpif.h and provide the path to the mpich include directory. The problem you are seeing is caused because the wrong mpif.h is being picked up.

Rajeev


On Jul 16, 2014, at 2:45 AM, maurice van putten <mvputten2002 at hotmail.com> wrote:

> Hi,
> 
>     Perhaps someone can provide a solution to what seems to be
> a problem with installation of mpich.
> 
>     I installed ifort (intel) and mpich (via port install), compile
> a basic test program mpif90 -I/usr/local/include -o tst tst.f 
> (here "I/usr/local/include" is included to find mpif-common.h), 
> 
> PROGRAM mpitest
>     integer           ierr,my_rank,nm_prcs
>     include          "mpif-common.h"
>     call MPI_INIT(ierr)      
>     write(*,*)MPI_INTEGER,MPI_REAL,MPI_DOUBLE_PRECISION
>     call MPI_COMM_RANK(MPI_COMM_WORLD,my_rank,ierr)
>     call MPI_COMM_SIZE(MPI_COMM_WORLD,nm_prcs,ierr)
>     write(*,*)'MPI:',my_rank,nm_prcs,ierr
>     call MPI_FINALIZE(ierr)
> end
> 
> and do mpirun -np 2 ./tst. The result is
> 
>   7          13          17
>  MPI:           0           1           0
>            7          13          17
>  MPI:           0           1           0
> 
> It shows that nm_prcs = 1 and both processes show the same my_rank = 0,
> even though ierr =0. 
> 
> The initialization in mpirun seem to fail, to assign a proper process count 2.
> 
> Any ideas on what's amiss?
> 
> Many thanks,
> 
> Henry.
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