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Everything about Re-order buffer

Computer hardware

A re-order buffer (ROB) is a hardware unit used in an extension to Tomasulo's algorithm to support out-of-order and speculative instruction execution. The extension forces instructions to be committed in-order. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Re-order bufferA 5-minute orientation
  2. Skim a recent paper: Order processing and buffer assignment in an order picking system with cooperative robotsInfluential work since 2022
  3. Pick up a classic book: Operations ManagementThe most-reprinted book on the subject
  4. Read the landmark paper: Verbal working memory and the phonological buffer: The question of serial orderCited 65 times
  5. Go sideways: Tomasulo's algorithmA closely related topic
  6. Go sideways: Register renamingA closely related topic

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

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