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To: Joe NYC who wrote (118516)11/20/2000 3:43:43 AM
From: jcholewa  Read Replies (1) | Respond to of 186894
 
> One thing that sealed it for me was the RC5 benchmark. In all integer performance, that should take advantage of
> the double clocked ALU (running at 3 GHz) Athlon beats P4 better than 2:1

That's an unfair comparison. rc5 isn't a generic "integer benchmark". It stresses only one instruction (bitwise rotate left), an instruction which the "integer strong" K6 and 6x86 cores sucked badly at, too.

The rotate left instruction is, on the side, almost never used, anywhere. That it is used in rc5 makes it an intellectual curiousity, valid, in fact, only for rc5 users.