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EBA-LRU-SEQ Data Cache Policy in DSP to Optimize the Power Consumption

Yueer SHAN, Zongguang YU( )
Department of Information Technology, Jiangnan University, Wuxi 214000, China
58th Research Institute, China Electronics Technology Group Corporation, Wuxi 214035, China
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Abstract

The power consumption by the data cache is important in DSP designs. This study presents an enhanced branch access LRU-SEQ (EBA-LRU-SEQ) policy for data caches in DSP designs to reduce the power consumption. The design is based on the LRU policy with embedded prefetch table to provide branch access. Tests show that the EBA-LRU-SEQ policy reduces the data cache power consumption to 54% of a system with no power control.

Keywords

enhanced branch access (EBA)LRU-SEQcache power consumptionprefetch table (PT)

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Tsinghua Science and Technology
Volume 16 Issue 2,
April 2011
Pages 164-169
DOI: 10.1016/S1007-0214(11)70025-6

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Cite this article:
SHAN Y, YU Z. EBA-LRU-SEQ Data Cache Policy in DSP to Optimize the Power Consumption. Tsinghua Science and Technology, 2011, 16(2): 164-169. https://doi.org/10.1016/S1007-0214(11)70025-6

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Received: 11 January 2011
Revised: 15 February 2011
Published: 01 April 2011
© Tsinghua University Press 2011