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To: pgerassi who wrote (78749)4/29/2002 12:07:40 PM
From: Ali ChenRead Replies (1) | Respond to of 275872
 
Dear pgerassi, "Signal propagation occurs at a constant velocity"

No. In an integrated circuit, the interconnect delays depend
mostly on the net topology with distributed capacitance,
DC resistance, AC skin effect, sometimes even inductance,
and the speed of light has very little to do with delays.
With process shrinks, the transistor drive strength
decreases faster than the capacitancies of the proportionally
scaled net. Of course, there are always people who
disagree:
eetimes.com
but they seem to be proven wrong:
mos.stanford.edu

"Otherwise, you fall in to the same traps as those caused by the assumptions made by the paper's authors. And that leads you top the same wrong predictions."

You tell me ;-)

- Ali

P.S. A little piece of advice: there is a fairly powerful
thing called "Internet", and google.com on the top of it.
Try ["interconnect delays" scaling].

P.P.S. See also
intel.com