Compiled Simulation of Programmable DSP Architectures

  • Authors:
  • Vojin Zivojnović;Steven Tjiang;Heinrich Meyr

  • Affiliations:
  • Integrated Systems for Signal Processing, Aachen University of Technology, Aachen, Germany;Synopsys Inc., Mountain View, CA, USA;Integrated Systems for Signal Processing, Aachen University of Technology, Aachen, Germany

  • Venue:
  • Journal of VLSI Signal Processing Systems - Special issue on the 1995 VLSI signal processing workshop
  • Year:
  • 1997

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Abstract

This paper presents a technique for simulating processors based onthe principle of compiled simulation. Unlike existing, commerciallyavailable instruction set simulators for DSPs, which are ofinterpretive character, the proposed technique performs instructiondecoding and simulation scheduling at compile time. The techniqueoffers up to three orders of magnitude faster simulation. The highspeed allows the user to explore algorithms and hardware/softwaretrade-offs before any hardware implementation. Moreover, the user cantailor the compiled simulation to trade speed for more accuracy. Inthis paper, the sources of the speedup and the limitations of thetechnique are analyzed and the realization of the simulation compileris presented.