Register-Renaming

• Superscalar Processors: Register Renaming, Reorder Buffers, and How Modern Cores Extract ILP · 2023-09-28

  A microarchitectural deep dive into superscalar execution: register renaming, the reorder buffer, reservation stations, and the issue queue, examining how Haswell, M1, and Zen4 extract instruction-level parallelism from sequential code.