Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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At the same time as the processor is making a request to the cache, it is returning a block from the write buffer to main memory.
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- 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_forwardIf 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_forward
- What happens if the processor makes a request that hits the cache while sending a block from the write buffer to main memory?arrow_forwardWhat 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_forwardWhat should the CPU do if it receives a cache request while it is flushing a block from the write buffer back into main memory?arrow_forward
- What action should the processor take if it receives a cache request while it is in the process of flushing a block back into main memory from the write buffer?arrow_forwardWhen a block is being sent back to main memory from the write buffer, what should happen if the processor sends a cache-unfulfilled request?arrow_forwardWhen a block is being sent back to main memory from the write buffer, what should happen if the processor sends a cache-unfulfilled request?arrow_forward
- What happens if the processor sends a request to the cache that is refused while the write buffer is writing a block back to main memory?arrow_forwardWhat should happen if the processor sends a request that hits the cache while sending a block from the write buffer back to the main memory?arrow_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
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