Rahul Sharma (Editor)

Wide issue

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A wide-issue architecture is a computer processor that issues more than one instruction per clock cycle. They can be considered in three broad types:

  • Statically-scheduled superscalar architectures execute instructions in the order presented; the hardware logic determines which instructions are ready and safe to dispatch on each clock cycle.
  • VLIW architectures rely on the programming software (compiler) to determine which instructions to dispatch on a given clock cycle.
  • Dynamically-scheduled superscalar architectures execute instructions in an order that gives the same result as the order presented; the hardware logic determines which instructions are ready and safe to dispatch on each clock cycle.

    • References

    Wide-issue Wikipedia
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