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Resource Timing

• Resources are produced by, consumed by, or captured by the function which is affecting them, while that function is executing. • A Resource is consumed at the beginning of execution of the consuming function. • A Resource is produced at the end of execution of the producing function. • A renewable Resource is captured (and held) at the beginning of execution and released at the end of execution of the capturing function.

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Patriot Missile System

• General Requirements

• Defend against ballistic missiles • Threat generator • Detection, track, interceptor assignment, intercept, reload interceptors, … • Resource Requirements • Interceptors • Use two per incoming ballistic missile • Initial load of six on the launcher • Reload three at a time • MIPS • Functions capture x.x MIPS per execution (constant or random)

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