Messages in this thread | | | Date | Tue, 24 Feb 2004 17:34:44 +0000 | From | Dave Jones <> | Subject | Re: Intel vs AMD x86-64 |
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On Tue, Feb 24, 2004 at 10:11:22AM -0500, Albert Cahalan wrote:
> > so this isn't possible. The amd64 GART driver goes to great > > lengths to make sure it does update the northbridges on every > > CPU whenever something changes. > > Of course. That's the easy way; you won't need > to worry about memory interleave or out-of-bounds > prefetch if you keep everything coherent. > > 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.
Dave
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