Memory Hierarchy
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- Computer Systems
- Implementation of Principles of Locality.
- Solution to the Memory Wall.
- Use layers of memory to hide the delay of memories.
| Memory | Latency |
|---|---|
| L1 | 1ns |
| Ram | 100ns |
| SSD Random Read | 20µs |
| Datacenter Roundtrip | 0.5ms |
| Rotating Disk Seek | 3ms |
| US-EU Roundtrip | 150ms |