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To: semiconeng who wrote (73240)3/4/2002 5:17:47 PM
From: wanna_bmwRespond to of 275872
 
Semi, Re: "Non-Blocking, full speed, on-die level 2 cache
8-way set associativity
256-bit data bus to the level 2 cache
Data clocked into and out of the cache every clock cycle"


Nice find. It looks like the cache is dual ported, too.

wbmw



To: semiconeng who wrote (73240)3/4/2002 5:22:06 PM
From: Joe NYCRead Replies (1) | Respond to of 275872
 
semi,

The "transfers data on each core clock" is very un-ambiguous, but "full speed, on-die level 2 cache" was a subject of a discussion, as far as which speed, since P4 has at least 4 clock domains.

Based on your and wmbw's posts, I am changing my opinion on P4 L2 from most likely running at half (marketing) speed to most likely running at full speed.

Joe



To: semiconeng who wrote (73240)3/4/2002 8:00:56 PM
From: PetzRespond to of 275872
 
I was wrong. The ATC L2 is the most impressive aspect of the P4 design. /Petz