Journal of KIISE:Computer Systems and Theory (한국정보과학회논문지:시스템및이론)

Korean Institute of Information Scientists and Engineers (한국정보과학회)
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A Worst Case Execution Timing Analysis Technique for Multiple-Issue Processors

다중 이슈 프로세서를 위한 최악 실행시간 분석 기법

  • 임성수 (서울대학교 컴퓨터공학과) ;
  • 한정희 (미시간주립대학교 전기컴퓨터공학과) ;
  • 김지홍 (서울대학교 컴퓨터공학부) ;
  • 민상렬 (서울대학교 컴퓨터공학부)
  • Published : 2000.10.01
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Abstract

본 논문에서는 한 번에 여러 개의 명령어를 이슈할 수 있는 다중 이슈 프로세서(in-order, multiple-issue processors)에 대해 최악 실행시간을 분석하는 기법을 제시한다. 명령어들의 이슈 형태를 분석하기 위해서 명령어들 사이의 의존성 간계를 표현하는 IDG(Instruction Dependence Graph)라고 하는 자료구조를 사용한다. 이 자료구조로부터 각 명령어들의 이슈간 거리 범위를 구하고, 프로그램의 계층적인 분석 과정에서 점차로 더 정확한 이슈간 거리 범위로 갱신한다. 프로그램의 최악 실행시간은 최종적으로 얻어진 프로그램 전체에 대한 IDG를 분석하여 얻은 명령어들의 이슈간 거리 범위로부터 계산한다. 제안하는 기법을 구현한 시간 분석기를 사용하여 실험한 결과, 논문에서 사용한 다중 이슈 프로세서 모델에 대해서 정확하게 다중 이슈 형태를 분석할 수 있었다.

Keywords

References

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