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Memory HierarchyProcesscor - Memory - Memory ... higher the level(closer to the CPU) = smaller, more expensive($), fasterPrinciple of localitytemporal locality: recent items are likely to be accessed again soonspatial locality: items near recent items are likely to be access soondata is copied between only two adjacent levels at a timelowest level(HDD) must have all data (= store everything on d..

MIPS - simplified datapath외우지 말고 이해하라고 하신다. 중간고사가 끝나고 보니까 너무 잘 이해된다.  R-formatex) add rd, rs, rt4 is added to the PC to fetch the next instruction.Read instruction stored in the PC address from the instruction memory.rs, rt, rd are set as read reg1, read reg2, and write reg, respectively.The first 6 bits(=opcode) are passed into the ALU.The addition result goes back to the register memory as wri..

기말 TF 대비 리뷰PerformanceFactors that affect performanceAlgorithmProgramming language, compiler, architectureProcessor and memory systemI/O system and OSMoore's lawIC capacity doubles every 18-24 monthsResponse time ( = latency, execution time)How long it takes for a task to be completedThroughputTotal work done per unit time (ex. tasks / hr)Comparing performance $$Performance_{X} = \frac{1}{Execut..