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
>
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
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.
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
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
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
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
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