Memory Architecture

Total size Block sz Latency Bandwidth

CPU Register ~1kB 4B 0

1st Cache ~100kB 4B ~3ns ~GB/s

2nd Cache ~1MB 16B ~10ns ~GB/s

Main memory ~0.1GB 256B ~100ns

Swap disk ~1GB 4kB ~2ms 10MB/s

File ~10GB ~100kB ~10ms ~10MB/s

HSM

Data Server ~0.5TB 0.1-1GB ~100ms 1~10MB/s

Tape ~10TB - 60s 1~10MB/s

Memory Architecture

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