[RC5] Why does Pentium 3 process faster than Pentium 4?

Michael Pelletier mvpel at nortelnetworks.com
Wed Dec 11 08:57:15 EST 2002

On Wed, 11 Dec 2002, Andrew MacKenzie wrote:

> A G4 at the same clock speed as a P4 would solidly kick the P4's
> ass.  But that won't happen because of the way the two chips are
> designed.  Don't take this as Intel bashing.  An Athlon at the
> same speed as a P4 would also kick the P4's ass.  But
> (unfortunatly for AMD) that isn't likely to happen either.
> (think all chips running at current max P4 clock rate).

Are there any clever approaches to get around the shift/rotate
sluggishnes on the P4?  Or is RC5 just stuck in that regard when it
comes to that processor?

(If this is a dumb question, please bear in mind that I last
programmed assembly on the 6502.)

	-Michael Pelletier.

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