What is worst-case execution time (WCET)? - Definition from Whatis.com

Definition

worst-case execution time (WCET)

Worst-case execution time (WCET) is a software development metric that determines the maximum length of time a task or set of tasks requires on a specific hardware platform. The worst-case scenario is a crucial consideration for hard real-time systems, which have a non-negotiable deadline.

This was last updated in April 2008

Dig Deeper

  • Scaling Agile software development: Challenges and solutions

    Software consultant Nari Kannan describes how agile practices and work can be scaled appropriately for success in large organizations. Using lean thinking, reduction of waste, and appropriately organizing work and people, agile can be successfully adapted, regardless of the size of the organization.

  • Rise in hidden software glitches caused by programmer retirements

    Undiscovered software glitches in complex systems are common, and one of the primary drivers is the loss of mainframe knowledge of a retiring workforce. Software glitches are lurking in many large systems, particularly mainframe systems, and the COBOL programmers that understand the code best are retiring, according to Jeff Papows, author of the new book, "Glitch - The hidden impact of faulty software." Papows describes how faulty software caused a huge charge to debit card holder's account and why such mistakes are on the rise in this interview. Papows notes the three most pressing drivers for software glitches: loss of intellectual knowledge, market consolidation and the ubiquity of technology

  • How important are SQL skills for a tester?

    Karen Johnson explains the situations in which SQL skills are important for a software tester as well as times when the expertise is not required.

Do you have something to add to this definition? Let us know.

Send your comments to techterms@whatis.com