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Providing Predictable Performance via a Slowdown Estimation Model

机译:通过放缓估计模型提供可预测性能

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摘要

Interapplication interference at shared main memory slows down different applications differently. A few slowdown estimation models have been proposed to provide predictable performance by quantifying memory interference, but they have relatively low accuracy. Thus, we propose a more accurate slowdown estimation model called SEM at main memory. First, SEM unifies the slowdown estimation model by measuring IPC directly. Second, SEM uses the per-bank structure to monitor memory interference and improves estimation accuracy by considering write interference, row-buffer interference, and data bus interference. The evaluation results show that SEM has significantly lower slowdown estimation error (4.06%) compared to STFM (30.15%) and MISE (10.1%).
机译:共享主存储器处的间隙干扰不同的不同应用程序。 已经提出了几种放缓估计模型来提供可预测的性能,通过量化内存干扰,但它们具有相对较低的精度。 因此,我们提出了一个更准确的放缓估计模型,称为主存储器。 首先,SEM通过直接测量IPC来统一放缓估计模型。 其次,通过考虑写干扰,行缓冲干扰和数据总线干扰,SEM使用每群体结构来监测存储器干扰并提高估计精度。 评价结果表明,与STFM(30.15%)和MISE(10.1%)相比,SEM的放缓估计误差(4.06%)具有显着较低的放缓估计误差(4.06%)。

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