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Family-based dispatching with parallel machines

机译:基于并行机的基于家庭的调度

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摘要

Family-based dispatching heuristics seek to lower set-up frequencies by grouping similar types of jobs for joint processing. Hence, job flow times may be improved as less time is spent on set-ups. So far, family-based dispatching with parallel machines received little attention in literature. We address the perceived gap by proposing extensions to existing family-based dispatching heuristics. Main extensions concern improved rules for family priority settings and for coordinating the number of machines in use by a single family. Extended heuristics are tested by an extensive simulation study. Significant performance gains for extended heuristics vs. existing heuristics are found. Performance gains are largest for high set-up to run-time ratios.
机译:基于家庭的调度启发式方法试图通过将相似类型的作业分组以进行联合处理来降低设置频率。因此,可以减少工作流程时间,因为花在设置上的时间更少。到目前为止,在文献中很少有基于并行机的基于家庭的调度。我们通过扩展现有的基于家庭的调度启发式方法来解决感知的差距。主要扩展涉及改进的家庭优先级设置规则以及协调单个家庭使用的计算机数量的规则。扩展的启发式方法通过广泛的模拟研究进行测试。发现与现有启发式方法相比,扩展启发式方法可显着提高性能。对于高设置时间和运行时间比率,性能增益最大。

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