On Tue, Feb 26, 2008 at 05:11:32PM +1100, Nick Piggin wrote:
> > You are missing one point here. The MPI specifications that have
> > been out there for decades do not require the process use a library
> > for allocating the buffer. I realize that is a horrible shortcoming,
> > but that is the wo
On Tuesday 26 February 2008 18:21, Gleb Natapov wrote:
> On Tue, Feb 26, 2008 at 05:11:32PM +1100, Nick Piggin wrote:
> > > You are missing one point here. The MPI specifications that have
> > > been out there for decades do not require the process use a library
> > > for allocating the buffer. I
On Tue, Feb 26, 2008 at 07:52:41PM +1100, Nick Piggin wrote:
> On Tuesday 26 February 2008 18:21, Gleb Natapov wrote:
> > On Tue, Feb 26, 2008 at 05:11:32PM +1100, Nick Piggin wrote:
> > > > You are missing one point here. The MPI specifications that have
> > > > been out there for decades do not
> > > > Can you change the spec?
> > >
> > > Not really. It will break all existing codes.
> >
> > I meant as in eg. submit changes to MPI-3
>
> MPI spec tries to be backward compatible. And MPI-2 spec is 10 years
> old, but MPI-1 is still in a wider use. HPC is moving fast in terms of HW
> techno
On Tue, Feb 26, 2008 at 07:52:41PM +1100, Nick Piggin wrote:
> On Tuesday 26 February 2008 18:21, Gleb Natapov wrote:
> > On Tue, Feb 26, 2008 at 05:11:32PM +1100, Nick Piggin wrote:
> > > > You are missing one point here. The MPI specifications that have
> > > > been out there for decades do not