Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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What should occur if a processor makes a cache-unfulfilled request while a block is being returned to main memory from the write buffer?
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- If the data being requested is too large to fit in the cache, a write buffer will bring it to the attention of the CPU by retrieving it from main memory. What should the next step be?arrow_forwardIf the CPU receives a cache request while returning a block from the write buffer to main memory, what action should it take?arrow_forwardWhat should happen when a processor issues a request that cannot be satisfied by the cache while a block is being flushed back to main memory from the write buffer?arrow_forward
- What should the processor do if a cache request cannot be satisfied while a block is being written from the write buffer back into main memory?arrow_forwardTrue or false: Temporal locality is the tendency for a program to access a memory address shortly after accessing a 'nearby' memory addressarrow_forwardWhat should occur if the processor sends a request to the cache while a write buffer block is being returned to main memory?arrow_forward
- If a processor request reaches the cache while a write buffer block is being flushed back to main memory, what should happen?arrow_forwardWhat action should be taken by the central processing unit in the event that a cache request is received while a block is being returned from the write buffer to the main memory?arrow_forwardWhat should happen if the processor issues a request during block writing from the write buffer to main memory and the request is satisfied by the cache?arrow_forward
- What happens if a processor makes a cache-unfulfilled request while pushing a block back to main memory from the write buffer?arrow_forwardWhen the processor issues a request that cannot be satisfied by the cache and the block is being flushed out to main memory from the write buffer, should something happen?arrow_forwardWhen the processor receives a request that it cannot fulfill from the cache, it sends a write buffer to return the unsatisfied block to main memory. So, what ought to be done here?arrow_forward
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