Messages in this thread | | | Date | Mon, 03 Oct 2005 07:59:43 -0700 | From | "Martin J. Bligh" <> | Subject | Re: [PATCH 00/07][RFC] i386: NUMA emulation |
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> if nothing else preferential use of 'local' (non PAE) memory over > 'remote' (PAE) memory for programs, while still useing it all as needed.
Why would you want to do that? ;-)
> this may be done already, but this type of difference between the access > speed of different chunks of ram seems to be exactly the type of thing > that the NUMA code solves the general case for.
It is!
> I'm thinking that it > may end up simplifying things if the same general-purpose logic will > work for the specific case of PAE instead of it being hard coded as > a special case.
But that's not the same at all! ;-) PAE memory is the same speed as the other stuff. You just have a 3rd level of pagetables for everything. One could (correctly) argue it made *all* memory slower, but it does so in a uniform fashion.
M.
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