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Sequence step algorithm
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<p>A sequence step algorithm (SQS-AL) is an <a href="/facts/Algorithm/fnl5NmRt">algorithm</a> implemented in a <a href="/facts/Discrete_event_simulation/gQjkaft8">discrete event simulation</a> system to maximize <a href="/facts/System_resource/bX958SEx">resource</a> utilization. This is achieved by running through two main nested <a href="/facts/Control_flow/2XTDfErC">loops</a>: A sequence step loop and a replication loop. For each sequence step, each replication loop is a simulation run that collects crew <a href="/facts/Idle_(CPU)/Dw3CN8p0">idle</a> time for activities in that sequence step. The collected crew idle times are then used to determine resource arrival dates for user-specified confidence levels. The process of collecting the crew idle times and determining crew arrival times for activities on a considered sequence step is repeated from the first to the last sequence step. </p>