Evaluation and performance of computers: the program monitor—a device for program performance measurement

  • Authors:
  • C. T. Apple

  • Affiliations:
  • -

  • Venue:
  • ACM '65 Proceedings of the 1965 20th national conference
  • Year:
  • 1965

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Abstract

IN 1961 A GROUP was established within IBM to test systems programs before they were released for customer usage. The goal of this group was to assure IBM management that each program released would be satisfactorily usable by the customer. One step taken by this group was to develop a monitor device which would permit programmers to record information being handled by the CPU during execution. Their intent was to use this recorded information to analyze the basic nature of programs with a goal of developing more adequate tests of a system program. Another potential use for this device was the measurement of hardware performance, such as disk-arm motion, at microsecond levels.