Exploiting horizontal and vertical concurrency via the HPSm microprocessor

  • Authors:
  • Wen-Mei W. Hwu;Yale N. Patt

  • Affiliations:
  • Coordinated Science Laboratory, University of Illinois, Urbana, IL;Computer Science Division, University of California, Berkeley, CA

  • Venue:
  • MICRO 20 Proceedings of the 20th annual workshop on Microprogramming
  • Year:
  • 1987

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Abstract

HPSm is a single-chip microarchitecture designed and implemented at the University of California to achieve high performance. The approach is to exploit both vertical and horizontal concurrency in the microarchitecture. Experiments have been conducted to demonstrate the effectiveness of HPSm as compared to a popular single-chip microarchitecture, the Berkeley RISC/SPUR. Evaluations have been done with both control intensive and floating point intensive benchmarks. For both types of benchmarks, we show that the HPSm microarchitecture achieves significant speedup over the RISC/SPUR microarchitecture implemented with the same fabrication technology.