An architectural space exploration tool for domain specific reconfigurable computing

Gayatri Mehta, A. Jones
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引用次数: 5

Abstract

In this paper, we describe a design space exploration (DSE) tool for domain specific reconfigurable computing where the needs of the applications drive the construction of the device architecture. The tool has been developed to automate the design space case studies which allows application developers to explore architectural tradeoffs efficiently and reach solutions quickly. We selected some of the core signal processing benchmarks from the MediaBench benchmark suite and some of the edge-detection benchmarks from the image processing domain for our case studies. We compare the energy consumption of the architecture selected from manual design space case studies with the architectural solution selected by the design space exploration tool. The architecture selected by the DSE tool consumes approximately 9% less energy on an average as compared to the best candidate from the manual design space case studies. The fabric architecture selected from the manual design case studies and the one selected by the tool were synthesized on 130 nm cell-based ASIC fabrication process from IBM. We compare the energy of the benchmarks implemented onto the fabric with other hardware and software implementations. Both fabric architectures (manual and tool) yield energy within 3X of a direct ASIC implementation, 330X better than a Virtex-II Pro FPGA and 2016X better than an Intel XScale processor.
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用于特定领域可重构计算的体系结构空间探索工具
在本文中,我们描述了一个设计空间探索(DSE)工具,用于特定领域的可重构计算,其中应用程序的需求驱动了设备体系结构的构建。开发该工具是为了自动化设计空间案例研究,允许应用程序开发人员有效地探索架构权衡并快速达成解决方案。我们从mediabbench基准测试套件中选择了一些核心信号处理基准测试,并从图像处理领域中选择了一些边缘检测基准测试来进行案例研究。我们将手工设计空间案例研究中选择的建筑能耗与设计空间探索工具选择的建筑解决方案进行比较。与手工设计空间案例研究中的最佳候选方案相比,DSE工具选择的体系结构平均消耗大约9%的能量。从手工设计案例研究中选择的织物结构和工具选择的织物结构在IBM的130 nm基于单元的ASIC制造工艺上合成。我们比较了在fabric上实现的基准测试与其他硬件和软件实现的能耗。两种结构架构(手工和工具)产生的能量都在直接ASIC实现的3倍以内,比Virtex-II Pro FPGA好330X,比英特尔XScale处理器好2016X。
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