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To: Joe NYC who wrote (43175)	5/30/2000 4:11:00 AM
From: jim kelley	Read Replies (1) \| Respond to of 93625

Re: "True, but the CPU's have large L2 caches these days, and when there is access of data or program with good locality, it goes from the cache. The main memory will not even know it happened. What the memory will see is accesses of data that don't conform with this locality, meaning they are not it L1 or L2." Well then! Let us get rid of main memory because it is a waste. Everything must be in L1 and L2. Then we will not need a cache at all. <G> Seriously, IMO you do not understand what is meant by program locality and data locality completely. These principles apply throughout the memory hierarchy including the main memory and the storage systems.