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


To: EricRR who wrote (114960)6/8/2000 2:45:00 PM
From: Tenchusatsu  Respond to of 1571808
 
Ratbert, <Was he joking?>

Yes, I was. As far as I know, Willamette's FPU runs at the main clock speed.

Tenchusatsu



To: EricRR who wrote (114960)6/8/2000 2:56:00 PM
From: Scumbria  Respond to of 1571808
 
Ratbert,

can anyone guess as to what effect the trace cache architecture would have on the performance of server type applications? Would it make L2 cache hits slower?

The trace cache will speed up all applications by a significant amount. Athlon has a similar feature, in that it stores partially decoded instructions in the instruction cache.

The first instruction lookup is to the trace cache, the second lookup is to the instruction cache, and then the L2 is accessed. The total latency to the L2 is likely somewhat lengthened in Willy, because of the extra lookup stage in the trace cache.

Scumbria