On Tue, May 17, 2005 at 03:47:29PM +0100, David Woodhouse wrote:
If accessing the top of your stack is "using system memory"
you're
screwed already. It ought to be in L1 cache.
It will normally be in L1, but you've still got penalties compared to register
access because of things like %esp interlocks as well as being longer and
using more cache