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

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....

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Bibliographic Details
Published in:Tsinghua science and technology 2011-04, Vol.16 (2), p.164-169
Main Authors: Shan, Yueer, Yu, Zongguang
Format: Article
Language:English
Subjects:
cache power consumption
Design engineering
Digital signal processing
DSP设计
enhanced branch access (EBA)
LRU
LRU-SEQ
Policies
Power consumption
Power control
prefetch table (PT)
Tables (data)
功率控制系统
电力消耗
策略优化
高速缓存
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Summary: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.
ISSN:1007-0214
1878-7606
1007-0214
DOI:10.1016/S1007-0214(11)70025-6