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Compiler-Directed Memory Hierarchy Design for Low-Energy Embedded Systems

机译:用于低能量嵌入式系统的编译器定向存储层次结构

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In real-time data-intensive multimedia processing applications, data transfer and storage significantly influence, if not dominate, all the major cost parameters of the design space - namely power consumption, performance, and chip area. This paper presents an electronic design automation (EDA) methodology for the high-level design of hierarchical memory architectures in embedded data-intensive applications, mainly in the area of multidimensional signal processing. This framework employs a formal model operating with integral polyhedra, using techniques specific to the data-dependence analysis employed in modern compilers. Different from the previous works, the problems of data assignment to the memory layers and of banking the on-chip memory are addressed in a consistent way, based on the same formal model. The main design target is the reduction of the static and dynamic energy consumption in the memory subsystem, but the same formal model and algorithmic flow can be also applied to reduce the overall time of access to memories.
机译:在实时数据密集型多媒体处理应用中,数据传输和存储显着影响,如果不占主导地位,所有主要成本参数的设计空间 - 即功耗,性能和芯片区域。本文提出了一种电子设计自动化(EDA)方法,用于嵌入式数据密集型应用中的分层内存架构的高级设计,主要是在多维信号处理领域。该框架采用正式模型与整体多面体操作,使用特定于现代编译器中使用的数据依赖性分析的技术。与以前的作品不同,基于相同的正式模型,以一致的方式解决对存储器层和银行内存的数据分配问题。主要设计目标是降低存储器子系统中的静态和动态能耗,但是也可以应用相同的正式模型和算法流以减少对存储器的总体访问。

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