An ultra-fast instruction set simulator

  • Authors:
  • Jianwen Zhu;Daniel D. Gajski

  • Affiliations:
  • Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada;Information and Computer Science, University of California, Irvine, CA

  • Venue:
  • IEEE Transactions on Very Large Scale Integration (VLSI) Systems
  • Year:
  • 2002

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Abstract

In this paper, we present new techniques which further improve the static compilation-based instruction set architecture (ISA) simulation by the aggressive utilization of the host machine resources. Such utilization is achieved by defining a low-level code-generation interface specialized for ISA simulation, rather than the traditional approaches which use C as a code-generation interface. We are able to perform the simulation at a speed of up to 102 millions of simulated instructions per second (MIPS) on a 270 MHz Ultra-5 workstation. This result is only on average 1.6 times slower than the native execution on the host machine, the fastest to the best of our knowledge.