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Time-predictable Cache Organization

机译:时间可预测的缓存组织

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摘要

Caches are a mandatory feature of current processors to deliver instructions and data to a fast processor pipeline. However, standard cache organizations are designed to increase the average case performance. They are hard to model for worst-case execution time (WCET) analysis. Unknown abstract cache states during the analysis result in conservative WCET bounds. Therefore, we propose to adapt the cache organization to simplify the analysis. The data cache is split into several independent caches for the stack, static data, constants, and heap allocated data.
机译:缓存是当前处理器的强制性功能,可以将指令和数据传送到快速处理器管道。但是,标准缓存组织旨在增加平均案例性能。它们难以模拟最坏情况执行时间(WCET)分析。在分析期间未知的抽象缓存状态导致保守WCET界限。因此,我们建议调整缓存组织以简化分析。数据缓存被分成堆栈,静态数据,常量和堆分配数据的几个独立缓存。

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