[MPICH] ROMIO practice doubts

[Rob Ross]

Hi Luiz,

That's exactly where the hints go. You can also use the 
MPI_File_set_info() call if you like, and you can pass hints it at 
MPI_File_set_view() time as well.

Regards,

Rob

Luiz Mendes wrote:
> Hi all,
> 
> I have read MPI 2 book, ROMIO guide and some articles about 
> optimizations for MPI IO. But i didnt see yet or i didnt understand 
> where hints would be placed on MPI_File_open code.
> 
> Should i use ROMIO hints replaceing MPI_INFO_NULL constant in 
> MPI_File_open function?
> 
> Thanks in advance
> Luiz Mendes
> 
>