Re: [OMPI users] Questions on MPI I/O and ompi_info

2014-02-14 Thread Jeff Squyres (jsquyres)
On Feb 13, 2014, at 7:30 PM, Ralph Castain wrote: > Hmmm...well, a little digging says that we probably didn't do this as > thoroughly as we should have :-/ Actually, it works exactly as we designed it... but the reasons for doing so (and its effects) are a bit obscure. OMPI imports the ROMIO

Re: [OMPI users] Questions on MPI I/O and ompi_info

2014-02-13 Thread Ralph Castain
Hmmm...well, a little digging says that we probably didn't do this as thoroughly as we should have :-/ Basically, the "MPI I/O Support" line is tied solely to the disable-mpi-io flag. In the 1.6 series, you only had one option for MPI I/O support, and that was romio. So if you disable romio, th