Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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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?
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- What should happen when the processor issues a cache-unfulfilled request while a block is being sent back to main memory from the write buffer?arrow_forwardIs there anything that should happen if a processor submits a cache-unfulfilled request when a block is being pushed back to main memory from the write buffer?arrow_forwardWhat should the CPU do when a cache request arrives while a block is being flushed back to main memory from the write buffer?arrow_forward
- Is there anything that should happen when the processor sends a request that is not fulfilled in the cache while a block is being pushed back to main memory from the write buffer?arrow_forwardWhat should occur if a processor makes a cache-unfulfilled request while a block is being returned to main memory from the write buffer?arrow_forwardIn the event that the request is too big to fit in the cache, the central processing unit will transfer it to the main memory, and the write buffer will then return the memory block. How do we move forward?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_forwardA write buffer will bring the data from main memory back to the CPU if it is too big to fit in the cache. What should we do next?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 action should the CPU take if it is unable to satisfy a cache request when writing a block from the write buffer back into main memory?arrow_forwardThe write buffer sends a block back to main memory while the processor issues a request that the cache cannot fulfill. What ought to occur in this scenario?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
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