Generated by Foxit PDF Creator Foxit Software ttp//www.foxitsoftware.comForevaluationonly 存储器层次 口速度(带宽)与成本的折中 On-Chip components Control eDRAM Second Secondary Main Memot 回l Level Datapath T Cache Memory (Disk) (SRAM) (DRAM) a Speed(ns): . 1s 10’s 100’s 1.000s Size(bytes): 100s Ks 10Ks Ms Ts Cost lowest3 Second Level Cache (SRAM) 存储器层次 Control Datapath Secondary Memory (Disk) On-Chip Components RegFile Main Memory (DRAM) Data Cache Instr Cache ITLB DTLB eDRAM Speed (ns): .1’s 1’s 10’s 100’s 1,000’s Size (bytes): 100’s K’s 10K’s M’s T’s Cost: highest lowest 速度（带宽）与成本的折中 Generated by Foxit PDF Creator © Foxit Software http://www.foxitsoftware.com For evaluation only