Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 87.63

-3.9%

3:59 PM EST

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To: Ian Anderson who wrote (25865)	9/3/1999 12:05:00 AM
From: Dan3	Read Replies (1) of 93625

Re: What they don't go on to show in this paper is what happens when the next cache line is fetched... The next cache line doesn't get fetched. If you just overwrite the whole cache every time you perform a memory access, you might as well just leave the cache at a single line. That's why there are many cache lines. Other areas of recently accessed memory are kept in the other cache lines to be available for the next access. The next access to main memory takes the same amount of time as the first one. And the numbers you were quoting were comparing the fastest bin splits of Rambus with medium bin splits of SDRAM. But even with that advantage in the comparison, rambus doesn't do much good. Rambus is like transparent automobile tires filled with goldfish. Depending on your taste, it may look neat, and it's an amazing technical accomplishment, but it doesn't do much for performance. Dan

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