15-447 Computer ArchitectureFall 2007 © September 10, 2008 www.qatar.cmu.edu/~msakr/15447-f08/ CS-447– Computer Architecture M,W 2:30-3:50pm Lecture 8.

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Presentation transcript:

Computer ArchitectureFall 2007 © September 10, CS-447– Computer Architecture M,W 2:30-3:50pm Lecture 8 Review

Computer ArchitectureFall 2007 © Lectures Intro: Moore’s Law Five Components of a Computer Processor-Memory Gap Arithmetic: Fixed point:  Unsigned  Signed Magnitude  Two’s Complement  Addition/Subtraction  Overflow and Carry  Multiplication  Unsigned  2’s Complement (Booth’s) Floating-point:  Representation (range vs. accuracy)  Discussed (add/sub/mult/div) ISA: Architectural Elements Opcodes, Operands Instruction Design Memory and Addressing Space Addressing Modes Simulated Execution Performance: Execution time CPI Latency Throughput Optimizations Speedup Benchmarks Amdahl’s Law MIPS

Computer ArchitectureFall 2007 © Recitations Logic Design: Gates Truth Tables Boolean Logic Designing Logic Blocks Multiplexer/Demultiplexer Encoder/Decoder Ripple Carry Adder Y86: ISA Addressing Modes Y86 vs. IA32 Homeworks: Logic Design Arithmetic Projects: Assembler & Simulator Y86 ISA & Simulator

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