Re: [OMPI users] problems with parallel MPI-IO...

2011-07-19 Thread Alexander Beck-Ratzka 
On Tuesday, July 19, 2011 16:13:38 Jonathan Dursi wrote:
> On 19 Jul 9:02AM, Alexander Beck-Ratzka wrote:
> >integer ierr, i, myrank, BUFSIZE, thefile, intsize
> >parameter (BUFSIZE=100)
> >integer buf(BUFSIZE)
> >
> >do i=0,BUFSIZE
> >
> >   buf(i) = myrank*BUFSIZE + i
> >   print*, 'i =', i, 'myrank =', myrank, 'buf(i)=',buf(i)
> >
> >end do
> 
> [...]
> 
> > When I am reading the data in again and print them out, I always have:
> > 
> > buf(0)=0
> 
> If you compile your code with -check bounds and run, you'll get an error
> pointing out that buf(0) is an illegal access; in Fortran arrays start at
> 1.
> 

Thanks a lot, that solved the problem!

Best wishes

Alexander

Re: [OMPI users] problems with parallel MPI-IO...

2011-07-19 Thread Jonathan Dursi 

On 19 Jul 9:02AM, Alexander Beck-Ratzka wrote:

   integer ierr, i, myrank, BUFSIZE, thefile, intsize
   parameter (BUFSIZE=100)
   integer buf(BUFSIZE)

   do i=0,BUFSIZE
  buf(i) = myrank*BUFSIZE + i
  print*, 'i =', i, 'myrank =', myrank, 'buf(i)=',buf(i)
   end do

[...]

When I am reading the data in again and print them out, I always have:

buf(0)=0


If you compile your code with -check bounds and run, you'll get an error 
pointing out that buf(0) is an illegal access; in Fortran arrays start at 1.


- Jonathan
--
Jonathan Dursi | SciNet, Compute/Calcul Canada