[MPICH2 Req #2556] Re: [MPICH] Parallel I/O problems on 64-bit machine (pleasehelp:-( )
Michael Kluskens
mkluskens at ieee.org
Fri Jun 2 08:15:32 CDT 2006
On May 31, 2006, at 8:40 PM, Rajeev Thakur wrote:
> Peter,
> The problem is a simple one, but it took me a very long time
> to figure
> out. You forgot to add the "ierr" parameter to
> MPI_File_write_all :-). It's
> a common mistake people make in Fortran programs, and I should have
> been
> more vigilant, but I did all sorts of debugging and stripped your
> code down
> to until there was nothing left in it before I noticed the missing
> parameter
> :-).
>
> Rajeev
Shouldn't this be spotted automatically by the compiler or is the
interface file for MPICH2 incomplete?
I'm testing 3 different MPI libraries and I see a wide range of
differences between them in this regard.
Michael
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