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Quantitative Evaluation of Embedded Systems

Quantitative Evaluation of Embedded Systems. Running a Periodic Regime. Running a Periodic Regime. Eliminates jitter. 10ms. Controlled best-case response time. Puts a bound on self-timed execution. 1ms. 1 ms. 3ms. Running a Periodic Regime. Press pause to calculate the MCM. B. S.

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Quantitative Evaluation of Embedded Systems

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  1. Quantitative Evaluation of Embedded Systems Running a Periodic Regime

  2. Running a Periodic Regime • Eliminates jitter 10ms • Controlled best-case response time • Puts a bound onself-timed execution 1ms 1ms 3ms

  3. Running a Periodic Regime Press pause to calculate the MCM B S 10ms A C 1ms ‘μ’ ms 1ms D 3ms

  4. Running a Periodic Regime B S 10ms A C 1ms μ ≥ 3.5 ms 1ms D 3ms

  5. Running a Periodic Regime • Determine the MCM and choose a period μ ≥ MCM • For each actor a initialize a start-time Ta := 0 • Repeat for each arc a—i—b : Tb := Tb max (Ta + Ea – iμ)until there are no more changes • Here, i denotes the number of initial tokens on an arc, • and Ea is the execution time of an actor a

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