Author: Tom Kerrigan
Date: 06:18:13 03/03/00
Go up one level in this thread
On March 03, 2000 at 07:59:47, Robert Hyatt wrote: >By the end of the year there will be more than just AMD. At least two other >companies will likely have a product with such an architecture by year's end. I'm all for this. The press releases I've read (AMD, IBM, Compaq) imply that two top-of-the-line processors are going to be combined onto one monster die. I find this a little annoying. Things like out-of-order execution, branch prediction, speculative execution, register renaming, etc. all burn silicon real estate (not to mention make the control logic impossible to understand), and I don't really see the benefits. I mean, the original Pentium didn't do any of this stuff, and it does more per clock cycle than a P6. I would really like to see some benchmarks of a processor with speculative execution turned on vs. off. I can't imagine that out-of-order execution is doing anything useful, considering the optimizing compilers we have these days... -Tom
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