Pipelined Datapaths

• How many cycles between new data?

  • ? = 1 (e.g. PipeRench)
    • Cannot do any functional unit sharing
    • Only “disjoint” operators can share FUs
  • ? < Schedule length
    • Can share within each stage, not between

+

<

*

*

*

*

*

-

*

+

Cycle 1:

Cycle 2:

Cycle 3:

Cycle 4:

-

Stage 1:

?????

Stage 2:

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