Author: Robert Hyatt
Date: 10:03:28 08/20/04
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On August 20, 2004 at 12:05:59, Tom Kerrigan wrote: >On August 20, 2004 at 05:10:10, Tony Werten wrote: > >>On August 20, 2004 at 04:33:07, Tom Kerrigan wrote: >> >>>Now that AMD is selling two processors that are identical other than L2 cache >>>size (Sempron has 256k, Athlon 64 has 512k) we have proof of Crafty's working >>>set size: >> >>Or that it's >> 512 >> >>Basicly, this only proves that it's not between 256 and 512. > >That's not how cache works. By that rationale, you might as well not have any >cache at all. See my reply to Bob above. > >-Tom Tom, that is _exactly_ how cache works for some reference patterns. See my reply to you above. You don't yet have enough data to conclude anything about the working set size. you might be right. You could definitely be wrong. At present, there is no valid way to say, based on running on two small cache processors.
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