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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Paul Engel who wrote (42157)	11/24/1998 1:47:00 PM
From: Kevin K. Spurway	Read Replies (1) \| Respond to of 1571903

Re: ""FULL SPEED caches can provide almost NO BENEFITS in performance as a HALF SPEED cache of the same size ! "" What Ali should have said (in order to avoid your nitpicking) was "FULL SPEED caches can provide almost NO BENEFITS in performance as a HALF SPEED cache of the same size FOR MOST APPLICATIONS WHICH A TYPICAL USER WOULD RUN ON A MAINSTREAM DESKTOP PC." Clearly the the full speed L2 of the Xeon offers some benefit over a PII--however, most of the time the benefit is pretty undetectable to a user unless the user is doing something with a TON of bus traffic--like running a server. Kevin

To: Paul Engel who wrote (42157)	11/24/1998 2:31:00 PM
From: Ali Chen	Read Replies (1) \| Respond to of 1571903

Pal, <Ail - Re: "FULL SPEED caches can provide almost NO BENEFITS in performance as a HALF SPEED cache of the same size!" I suspected you would believe that, Ail.> Pal, in case you didn't notice, I have used the same data source, argumentation, and all other wordings from your own post to "derive" a conclusion that is exactly opposite to yours. If you don't see a problem in your thinking here, crawl back to woodworking. That must be right to your current abilities. <.. how little you understand anything more complicated than a screwdriver and a screw.> If you think that matters like page walks and TLB misses, tags indexing and misaligned accesses are only slightly more complicated than the objects you are familiar with - routers, planes and, of course, screws - you screw up, pal. Things are getting more and more complicated. There is no chance you can get it from your retired garage, especially with your chemical background and IC packaging experience of early 80's. Simply forget it.