[MPICH] MPIIO for GPFS

[Rajeev Thakur]

ROMIO doesn't have a special implementation for GPFS. The generic ad_ufs
device (POSIX) will work on GPFS. I haven't run it on GPFS myself, but
others have. You will get collective I/O and other optimizations, but no
GPFS-specific optimizations.

Rajeev

> -----Original Message-----
> From: laytonjb at charter.net [mailto:laytonjb at charter.net] 
> Sent: Monday, June 18, 2007 1:24 PM
> To: 'Florin Isaila'; mpich-discuss at mcs.anl.gov; Rajeev Thakur
> Subject: RE: [MPICH] MPIIO for GPFS
> 
> How does ROMIO perform on GPFS?
> 
> Jeff
> 
> > I don't think IBM's MPI-IO is free. 
> > 
> > Rajeev 
> > 
> > > -----Original Message-----
> > > From: owner-mpich-discuss at mcs.anl.gov 
> > > [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of 
> Florin Isaila
> > > Sent: Monday, June 18, 2007 12:29 PM
> > > To: mpich-discuss at mcs.anl.gov
> > > Subject: [MPICH] MPIIO for GPFS
> > > 
> > > Hi,
> > > 
> > > does anybody know where could I find the implementation of 
> > > MPI-IO for GPFS?
> > > 
> > > There is an article about that:
> > > 
> > > Jean-Pierre Prost, Richard Treumann, Richard Hedges, Bin 
> Jia, Alice E.
> > > Koniges: MPI-IO/GPFS, an optimized implementation of 
> MPI-IO on top of
> > > GPFS. SC 2001.
> > > 
> > > Thanks
> > > Florin
> > > 
> > > 
> > 
> 
>