Hi, On Thu, Sep 09, 2004 at 07:23:24PM -0600, Bob Proulx wrote: > Our own benchmarks at work show about a 7%-8% decrease in performance > when you turn on CONFIG_HIGHMEM64G. This was for a configuration like > this: xw8000 dual P4 3.06GHz w/ 6GB ram running two 3GB processes. Maybe this is related to the missing IOMMU on em64t systems? Greetings Frederik Schueler -- ENOSIG