Messages in this thread | | | Date | Tue, 24 Feb 2004 18:07:29 +0000 | From | Dave Jones <> | Subject | Re: Intel vs AMD x86-64 |
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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
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