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Politics : Formerly About Advanced Micro Devices
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To: Paul Engel who wrote (43528)12/16/1998 1:25:00 AM
From: Kevin K. Spurway  Read Replies (1) of 1573134
 
Re: "By your argument, the K6-2 should OUTPERFROM the Pentium II."

Paul, I'm trying to explain why the Katmai beat the PII. I think that if the benchmark were using KNI, the PII would have been beaten by considerably more. Just as if the benchmark used 3DNow, the K6 would have approximately matched the PII. Since the only other difference between Katmai and PII is the L1 size, I figure this explains the discrepancy here.

As you know, every chip/system is different Paul. If it were just L1, then sure, the K6 would win. But it's probably first FPU, and second L1 and L2 (the benchmark may fit in L2). Since the PII FPU is superior, and the PII L2 is superior, it isn't surprising the PII beats the K6. The question is why the Katmai beats the PII when it doesn't really beat the PII on any of the other benchmarks. I attempted an answer.

But if you want me to, I'd be happy to say "Wow! KNI only gives an 8% improvement over vanilla PII when using KNI! That's pathetic." I just don't think that's the case.

Kevin
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