
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Transcribed Image Text:The processor sends a request to the cache while simultaneously
sending a block from the write buffer back to main memory.
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- When a processor submits a request that cannot be satisfied by the cache, and a block is being pushed back to main memory from the write buffer, should something happen?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_forwardAt 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.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 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_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_forward
- What 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_forwardWhen a processor makes a request that cannot be satisfied by the cache while moving a block back to main memory from the write buffer, what happens?arrow_forwardWhat 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_forward
- At the same time as it sends a block from the write buffer back to main memory, the processor makes a request to the cache.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_forwardWhat 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_forward
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