Everything is a cache of others Access time apac ty Managed By On the datapath Registers I cycle I KB Software/Compiler Level I Cache 2-4 cycles 32 KB Hardware Level 2 Cache 10 cycles 256KB Hardware Level 3 Cach 40 cycl I0 MB Hardware On chip Main Memory 200 cycles 10 GB Software/OS Other Flash Drive 10-100us 100GB oftware/OS Mechanical Hard Disk 10ms I TB Software/OS devices Virtual Memory Mapping Cache Mapping Secondary Storage Words Processor Main MemorEverything is a cache of others