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Type: Congresso
Title: On The Dark Silicon Automatic Evaluation On Multicore Processors
Author: Santos
Tony; Silva
Ana; Duenha
Liana; Santos
Ricardo; Moreno
Edward; Azevedo
Abstract: The advent of Dark Silicon as result of the limit on Dennard scaling forced modern processor designs to reduce the chip area that can work on maximum clock frequency. This effect reduced the free gains from Moore's law. This work introduces a less conservative dark silicon estimate based on chip components power density and technological process, so that designers could explore architectural resources to mitigate it. We implemented our dark silicon estimation tool on top of MultiExplorer and evaluated on a set of Intel Pentium and AMD K8/10 multicore processors built on transistor technologies from 90nm down to 32nm. Our contributions are twofold: (1) Our experiments have shown dark silicon estimates up to 8.26% of the chip area compared to a baseline 90nm real processor; we also evaluated clock frequency behavior based on Dennard scaling and obtained up to 15.65% dark silicon on chip area. (2) We designed and showed that a dark silicon aware Design Space Exploration (DSE) strategy can minimize chip dark area while increasing performance at design time. Our results on DSE found dark silicon free multicore platforms while providing 3.6 speedup.
Subject: Dark Silicon
Editor: IEEE
New York
Citation: Proceedings Of 28th Ieee International Symposium On Computer Architecture And High Performance Computing. Ieee, p. 166 - 173, 2016.
Rights: fechado
Identifier DOI: 10.1109/SBAC-PAD.2016.29
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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