"Luke Lonergan" <[EMAIL PROTECTED]> writes:

> The evidence seems to clearly indicate reduced memory writing due to an
> L2 related effect.  

You might try using valgrind's cachegrind tool which I understand can actually
emulate various processors' cache to show how efficiently code uses it. I
haven't done much with it though so I don't know how applicable it would be to
a large-scale effect like this. 

  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com

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