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PowerPC vs Pentium

PowerPC vs Pentium. CISC vs RISC. Intel Architecture CISC ~800 instructions Variable width instructions Variable number of operands PowerPC RISC ~250 instructions All 32 bits wide Virtually all have 3 operands. Standard 4-stage Pipeline. Narrow & Deep vs. Wide & Shallow. PowerPC G4.

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PowerPC vs Pentium

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  1. PowerPC vs Pentium

  2. CISC vs RISC • Intel Architecture • CISC • ~800 instructions • Variable width instructions • Variable number of operands • PowerPC • RISC • ~250 instructions • All 32 bits wide • Virtually all have 3 operands

  3. Standard 4-stage Pipeline

  4. Narrow & Deep vs. Wide & Shallow

  5. PowerPC G4

  6. Intel P4

  7. P4 ALU

  8. G4 ALU

  9. G5

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