Michael Loftis <mloftis(at)wgops(dot)com> writes:
> Somethings wrong with the random numbers from the sun... re-run them,
> that first sample is insane.... Caching looks like it's affecctign your
> results alot...
Yeah; it looks like the test case is not large enough to swamp out
caching effects on the Sun box. It is on the Linux box, evidently,
since the 10:1 ratio appears very repeatable.
regards, tom lane