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A Real-Time Application for the CS-2

机译:CS-2的实时应用

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Future high energy experiments planned at CERN for the next-generation collider like LHC will generate amounts of data which are orders of magnitude larger than those produced by existing systems. A trigger system is used to reduce these data in real-time to an amount which can be stored on mass storage for later off-line analysis. Due to the high bandwidth and short latency constraints the solution will most probably consists of a parallel processing implementation. We describe an implementation of the second-level trigger on a commercial multiprocessor system, the Meiko CS-2. Measurements show that such systems are able to reach about 25 to 30 % of the required performance today, which makes them a promising candidate for a complete solution in the next few years.
机译:CERN计划为LHC等下一代对撞机进行的未来高能实验将产生比现有系统产生的数据量大几个数量级的数据。触发系统用于将这些数据实时减少到可以存储在大容量存储中的数量,以供以后进行离线分析。由于高带宽和短等待时间的限制,该解决方案很可能由并行处理实现组成。我们描述了在商业多处理器系统Meiko CS-2上第二级触发器的实现。测量表明,这样的系统今天可以达到所需性能的25%到30%,这使其成为未来几年内完整解决方案的有希望的候选者。

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