Continual Flow Pipelines: Achieving Resource-Efficient Latency Tolerance

  • Authors:
  • Srikanth T. Srinivasan;Ravi Rajwar;Haitham Akkary;Amit Gandhi;Michael Upton

  • Affiliations:
  • Intel Microprocessor Technology Labs;Intel Microprocessor Technology Labs;Intel Microprocessor Technology Labs;Portland State University;Intel Microprocessor Technology Labs

  • Venue:
  • IEEE Micro
  • Year:
  • 2004

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Abstract

Continual flow pipelines let a processor core sustain a very large and adaptive instruction window while keeping its scheduler and register file small. The resulting improved cache efficiency, resource decoupling, and look-ahead capability enable many such cores to reside on a single chip for high throughput while enabling high single-thread performance.