Instruction Memory vs Data Memory

• Instruction Memory accesses are different than Data Memory accesses

• IMEM Accesses

  • IMEM accesses are mostly sequential
  • Accesses exhibit both temporal and spatial locality
  • Branch prediction principle technique for hiding memory latency

• DMEM accesses

  • DMEM accesses can be random or fixed, and any mixture of the two
  • Some application classes share common access patterns

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