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Politics : Formerly About Advanced Micro Devices

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To: Scumbria who wrote (91828)2/6/2000 3:01:00 PM
From: Charles R   of 1577035
 
Scumbria,

<The complexity of trying to service multiple address streams on a single datapath is too high. It is much easier to provide a single datapath per stream, including a dedicated cache and bus.>

Though I have lost the touch to estimate the impact of the tradeoffs I can believe that. Especially in the context of MHz.

<Multiported caches tend to become very complex and slow. >

This is what the original topic was about - alternative to multiported cache is a cache running at a higher MHz sufficient to service requests from multiple execution units. Especially since we are talking about L2 caches, queueing theory might work in its favor. Now, there is a cache size/MHz issue and I don't intend to trivialize it.

Chuck
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