Validating real-time constraints in heterogeneous multiprocessor and distributed systems

Rhan Ha, Hojung Cha, Jane W.S. Liu

Research output: Contribution to journalArticle

2 Citations (Scopus)


A heterogeneous system or distributed system typically contains different types of processors. Some jobs can execute on certain types of processors but not other types. Processors of different types may have different speeds. We present several worst-case upper bounds and efficient algorithms for determining the completion times of independent jobs that have arbitrary timing constraints and variable execution times and are scheduled on available processors dynamically in a priority-driven manner. Bounds and algorithms take into account the effects of nonmigratability, nonpreemptability and different levels of migratability.

Original languageEnglish
Pages (from-to)207-222
Number of pages16
JournalJournal of Systems Integration
Issue number3
Publication statusPublished - 1999 Oct

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)

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