Tutorial 11, Final Review - ECSE 425 â Computer Organization and ...

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Pipelining●Simple 5-stage RISC pipeline: IF/ID/EX/MEM/WB
Pipeline hazards●●●Structural: contention over a resourceData: unavailability of a result until a later time●●RAW, WAR, WAWRAW can be mitigated using forwardingControl: branch resolution causes a stall●Many ways to mitigate hazards:●●Compiler techniques: reordering, register naming,profiling-assisted branch predictionHardware techniques: speculation, register renaming,write buffers
Page 1 and 2: Tutorial 11Final Exam Review
Page 3 and 4: Trends in technology●●●Bandwi
Page 5 and 6: Trends in IC cost●Four equations
Page 7 and 8: Locality●A processor spends most
Page 9: Pipelining●●●Split an instruc
Page 14 and 15: Multicycle operations●The FP pipe
Page 16 and 17: Instruction-level parallelism●●
Page 18 and 19: Loop unrolling●●●●We want t
Page 20 and 21: Dynamic scheduling●Hardware rearr
Page 22 and 23: Tomasulo's algorithm
Page 24 and 25: Speculative Tomasulo(C) 2003 Elsevi
Page 26 and 27: Memory hierarchy●●●●●Memo
Page 28 and 29: Caches●●●●●Block placemen
Page 30 and 31: Caches●●●●Miss rateMulti-le
Page 32 and 33: Cache coherence protocols●●●
Page 34 and 35: Virtual memory●●●●Each prog
Page 36: Final exam● December 9 th at 9am

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Tutorial 11, Final Review - ECSE 425 â Computer Organization and ...