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Paper Details

  title = "{A}n environment for transputer {CPU} load measurements",
  author= "Pietro, Giuseppe de and Villano, Umberto",
  editor= "Zedan, Hussein S. M.",
  pages = "74--82",
  booktitle= "{OUG}-13: {R}eal-{T}ime {S}ystems with {T}ransputers",
  isbn= "90 5199 041 3",
  year= "1990",
  month= "sep",
  abstract= "In a multiprocessor system an uneven load balancing can
     usually dramatically reduce the performance of the parallel
     program running on it Hence it is of paramount importance to
     be able to estimate the CPU and communication loads of every
     task before the program is actually executed so that the
     optimal application partitioning can be found. In this paper
     the problem of CPU load measurement is tackled, and a
     measurement environment is illustrated in which the
     processes to be allocated to the processors in the network
     are run in quasi-concurrence on a single Transputer. A
     technique based on active process list manipulation makes it
     possible to perform a fairly accurate measurement of the CPU
     activity of the parallel processes in the application using
     the Transputer internal tinier as a reference clock."

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