[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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