Re: getting processor numbers

Jeremy Fitzhardinge
2007-04-04T05:22:30Z

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