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Lecture Notes for CSE 140 - Computer Architecture with Yang at UC-Merced (UC Merced)

Notes Information

Material Type:Class Note
Professor:Yang
Class:CSE 140 - Computer Architecture
Subject:Computer Science & Engineering
University:University of California-Merced
Term:--
Keywords:
  • Instructions
  • Instruction
  • Speculation
  • Immediately
  • Load Instruction
  • Forward Pass
  • Traditional
  • Implementation
  • Destination
  • Instruction Memory
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Sample Document Text

Chapter 4 The Processor Five Classic Components Chapter 4 - The Processor - 2 Chapter 4 - The Processor - 3 Introduction CPU performance factors Instruction count Determined by ISA and compiler CPI and Cycle time Determined by CPU hardware We will examine two MIPS implementations A simplified version A more realistic pipelined version Simple subset, shows most aspects Memory reference: lw, sw Arithmetic/logical: add, sub, and, or, slt Control transfer: beq, j 4.1 Introd uctio n Goal See how the ISA determines aspects of the implementation How the choice of various implementation strategies affect the clock cycle and CPI Design principle Make the common case fast Simplicity favors regularity Chapter 4 - The Processor - 4 Chapter 4 - The Processor - 5 Instruction Execution For every instruction 1. PC ? instruction memory, fetch instruction 2. Register numbers ? register file, read registers Depending on instruction class Use ALU to calculate Arithmetic result Memory ad...

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