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Tackling Concurrency and Timing Problems

  • I. G. Harris
Chapter
  • 847 Downloads
Part of the Springer Series in Advanced Microelectronics book series (MICROELECTR., volume 17)

7.1 Abstract

Concurrent systems, either hardware or software, are notoriously difficult to design correctly in large part due to the complexities of nondeterministic execution. A concurrent system can perform many different correct computations for a given input sequence because the absolute order of execution is dependent on factors which cannot be known at design/compile time. Synchronization constructs are used to restrict the set of possible computations to correct computations only, but insertion of synchronization constructs is a manual and error-prone task. The detection of synchronization errors is made difficult because the manifestation of an error can depend on operation timing, which can change between executions. We define a class of synchronization errors and define the timing requirements to ensure the detection of these errors. We provide a coverage metric which can be used to determine whether or not a given test execution is sufficient to detect the defined class of synchronization errors.

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Copyright information

© Springer-Verlag London Limited 2005

Authors and Affiliations

  • I. G. Harris
    • 1
  1. 1.Department of Computer ScienceUniversity of California IrvineUSA

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