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DateTue, 03 Apr 2007 22:22:17 -0700
FromJeremy Fitzhardinge <>
SubjectRe: getting processor numbers
H. Peter Anvin wrote:
> Mutable data should be separated from code.  I think any current CPU
> will do fine as long as they are in separate 128-byte chunks, but they
> need at least that much separation.
P4 manual says that if one processor modifies data within 2k of another
processor executing code, it will trash the entire trace cache.

    J
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