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CADSE: communication aware design space exploration for efficient run-time MPSoC management

机译：CADSE：具有通信意识的设计空间探索，可实现高效的运行时MPSoC管理

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摘要

Real-time multi-media applications are increasingly mapped on modern embedded systems based on multiprocessor systems-on-chip (MPSoC). Tasks of the applications need to be mapped on the MPSoC resources efficiently in order to satisfy their performance constraints. Exploring all the possible mappings, i.e., tasks to resources combinations exhaustively may take days or weeks. Additionally, the exploration is performed at design-time, which cannot handle dynamism in applications and resources' status. A run-time mapping technique can cater for the dynamism but cannot guarantee for strict timing deadlines due to large computations involved at run-time. Thus, an approach performing feasible compute intensive exploration at design-time and using the explored results at run-time is required. This paper presents a solution in the same direction. Communication-aware design space exploration (CADSE) techniques have been proposed to explore different mapping options to be selected at run-time subject to desired performance and available MPSoC resources. Experiments show that the proposed techniques for exploration are faster over an exhaustive exploration and provides almost the same quality of results.
机译：实时多媒体应用越来越多地映射在基于多处理器片上系统（MPSoC）的现代嵌入式系统上。需要将应用程序的任务有效地映射到MPSoC资源上，以满足其性能约束。探索所有可能的映射，即，详尽的任务到资源组合可能需要几天或几周的时间。此外，探索是在设计时执行的，它无法处理应用程序和资源状态中的动态问题。运行时映射技术可以满足动态需求，但由于运行时涉及大量计算，因此不能保证严格的定时期限。因此，需要一种在设计时执行可行的计算密集型探索并在运行时使用探索的结果的方法。本文提出了相同方向的解决方案。已经提出了具有通信意识的设计空间探索（CADSE）技术，以探索要在运行时根据所需性能和可用MPSoC资源选择的不同映射选项。实验表明，所提出的勘探技术比详尽的勘探要快，并且提供的结果质量几乎相同。

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