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 require the process use a library
> > > > for allocating the buffer. I realize that is a horrible shortcoming,
> > > > but that is the world we live in. Even if we could change that spec,
> > >
> > > 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
technology, but slow in terms of SW. Fortran is still hot there :)
--
Gleb.
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