Performance analysis is a process of finding the bottleneck, fixing it, identifying the next bottleneck, correcting it, and repeating the process until application performance is satisfactory.

性能分析过程是这样的：发现瓶颈、修复瓶颈问题，识别下一个瓶颈、修复瓶颈问题，循环往复，直至获得满意的性能。

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This thesis aims at structuring the simulation platform of the rapid sorting system, analyzing the dynamic changes of the sorting efficiency and finding the bottleneck of the sorting system.

本文旨在通过构建快速分拣系统仿真平台，分析分拣效率动态变化，发现分拣环节中的瓶颈。

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Once patients were seen, there was often a "bottleneck" in the task of finding an available ward bed for them, inspectors said, and once they were admitted many patients were moved around the hospital too often.

BBC: Ysbyty Glan Clwyd A&E ambulance queue criticised by HIW