On Wed, 13 Feb 2008, Christoph Lameter wrote:
> Right. We (SGI) have done something like this for a long time with XPmem
> and it scales ok.
I'd dispute this based on experience developing PGAS language support
on the Altix but more importantly (and less subjectively), I think
that "scales ok" r
On Tue, 12 Feb 2008, Christoph Lameter wrote:
> On Tue, 12 Feb 2008, Jason Gunthorpe wrote:
>
> > The problem is that the existing wire protocols do not have a
> > provision for doing an 'are you ready' or 'I am not ready' exchange
> > and they are not designed to store page tables on both sides
On Tue, 12 Feb 2008, Christoph Lameter wrote:
> On Tue, 12 Feb 2008, Jason Gunthorpe wrote:
>
> > Well, certainly today the memfree IB devices store the page tables in
> > host memory so they are already designed to hang onto packets during
> > the page lookup over PCIE, adding in faulting makes
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