Re: Intel vs AMD x86-64

Dave Jones
2004-02-24T18:09:06Z

On Tue, Feb 24, 2004 at 10:29:07AM -0500, Albert Cahalan wrote:

> > > I'm just saying it would be neat, and potentially
> > > useful, to intentionally violate this. Of greatest
> > > interest would be the 2-way Opteron boards that
> > > only have RAM connected to the CPU closest to PCI.
> > > The sidecar CPU :-) could be ignored.
> > Why on earth would you want to do that ?
> > It wouldn't buy you anything at all other than a world of pain.
> faster IO-MMU operations

huh ? You're talking about saving a handful of pci config space writes
per every insertion/removal of entries in that GATT, which need a cpu
cache flush anyway.

Dave