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Politics : Formerly About Advanced Micro Devices
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To: Bill Jackson who wrote (101305)3/31/2000 4:52:00 PM
From: Joe NYC  Read Replies (1) of 1573134
 
Bill,

It is faster to look at the intermediary caches...even if you get a miss....than skipping them, unless you know they are a miss.

My point was that with small L2 cache (in addition to big L1), the improvement in hit ratio by adding a small L2 would be small, and you would incur a penalty of the lookup.

I wasn't aware of this thing called victim cache, which Scumbria explained in another post. That would make more sense for Athlon than regular L2, because of Athlon's fairly big L1.

Joe
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