:cpu's :> L1 cache. : :I find that difficult to fathom. If that were the case you should also see :such efficiencies in FreeBSD and its typically pretty linear. Is there a :way to reset the counters in vmstat so that I can monitor the marginal :interrupt rate? systat -vm 1 should give you the actual interrupt rate. -Matt Matthew Dillon <dillon at xxxxxxxxxxxxx>