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The Essentials Of Computer Organization And Architecture 4th Edition by Linda Null,Julia Lobur
Edition 4ISBN: 978-1284074482The Essentials Of Computer Organization And Architecture 4th Edition by Linda Null,Julia Lobur
Edition 4ISBN: 978-1284074482 Exercise 43
Consider a system that has multiple processors where each processor has its own cache, but main memory is shared among all processors.
a) Which cache write policy would you use?
b) The Cache Coherency Problem. With regard to the system just described, what problems are caused if a processor has a copy of memory block A in its cache and a second processor, also having a copy of A in its cache, then updates main memory block A ? Can you think of a way (perhaps more than one) of preventing this situation, or lessening its effects?
a) Which cache write policy would you use?
b) The Cache Coherency Problem. With regard to the system just described, what problems are caused if a processor has a copy of memory block A in its cache and a second processor, also having a copy of A in its cache, then updates main memory block A ? Can you think of a way (perhaps more than one) of preventing this situation, or lessening its effects?
Explanation
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The methods employed for implementing ch...
The Essentials Of Computer Organization And Architecture 4th Edition by Linda Null,Julia Lobur
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