Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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When the amount of data requested is more than what can be stored in cache, the CPU fetches it from main memory and returns it through the write buffer. Now what?
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- For those who are unfamiliar, dynamic memory is a kind of RAM that operates at a higher speed than static RAM.arrow_forwardIs 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 would occur if there were no programs that could be relocated? This could make memory paging more challenging.arrow_forward
- The write buffer will return a block to main memory while the CPU submits a cache-unmet request. What may happen next?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_forwardIs associative memory different from regular memory? Which one is more expensive, and why does it cost more?arrow_forward
- 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_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"Non-uniform memory access" means what?arrow_forward
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