Memory hierarchy: Difference between revisions

Revision as of 20:31, 26 December 2004

Revision as of 23:31, 7 January 2005

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* [[Level 1 cache]] (often accessed in just a few cycles, usually tens of kilobytes)

* [[Level 2 cache]] (higher latency than L1 by 2x-10x, often 512KB or more)

* [[Level 3 cache]] (optional) (higher latency than L2, often multiple MB's)

* [[DRAM]] (may take hundreds of cycles, but can be multiple gigabytes)

* [[Disk storage]] (hundreds of thousands of cycles latency, but very large)