"Luke Lonergan" <LLonergan@greenplum.com> 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