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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 216.83+1.3%12:05 PM EST
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To: Joe NYC who wrote (76509)4/4/2002 2:51:29 PM
From: combjellyRead Replies (2) of 275872
 
"it is in direction of benchmarks becoming a glorified stream benchmark."

But even in this scenario, ClawHammer will have it's advantages. A lot of attention has been paid to the whole chain, not only will latency to memory be better, so will latency to L2. Assuming I am reading the slides properly, it looks as if the latency to L2 will be 8 cycles as compared to 20 some odd for the current Athlons. If they went to that effort, they also likely made the L2 cache a true dual ported one and likely increased the bandwidth to the L2. With L1 cache evictions able to be run in parallel with cache reads, combined with a possibly improved pre-fetch and higher bandwidth to L2, then the data starvation that the current Athlon core has is going to be lessened. And that will have a big impact on SPEC, especially SPECfp. AMD was estimating a SPECint score of 1400 at 2GHz, so I suspect that Hammers will do just fine on STREAM-like benchmarks.
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