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Scoreboard (Basic Scheme (Ordering (In-order Issue, Out-of-order…

- - - - Latency
        Time to execute
      - Initiation Interval
        #cycles bw issue of
        2 ops in the same FU
- - - - Issue:Instruction has been issued to a FU
      - Read Oper: Reads Operand
      - Comp: execution have completed
      - Result: Results have been written
  - - - Entry removed after WB
      - Entry added if no hazard is detected
    - - Busy: is the unit busy?
      - Op: Operation performing (+, - , ..)
      - Fi: destination register
      - Fj, Fk: source registers number
      - Qj, Qk: FUs producing src regs
      - Rj, Rk: Flags indicating when Fj, Fk
        are ready to be read (by others)