| 1 |
As shown above, caches are familiar in the real world -- here to support movement of food from manufacturer to your larder. It would be inconvenient to drive to the store for every item needed -- it is more convenient to cache items in your larder
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| 2 |
Caches store instructions and data -- often in separate caches
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| 3 |
Cache have a total size but also the cache line size which is minimum unit transferred into cache -- this due to spatial locality is often quite big.
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| 4 |
They also have a "write-back" strategy to define when information is written back from cache into primary memory
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| 5 |
Factory
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| 6 |
Level 3 Middleman Warehouse
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| 7 |
Level 2 Middleman Warehouse
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| 8 |
Local Supermarket
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| 9 |
Your Larder
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| 10 |
CPU -- The Frying pan
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