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Energy Efficient Register File with Windowed Control Scheme

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3 Author(s)
Ming Yang ; Beijing Microelectron. Technol. Inst., Beijing, China ; Lixin Yu ; Heping Peng

As power dissipation of the register file in modern processor designs tends to dominate, measures must be taken to keep it under control. This paper introduces an approach to reduce the power dissipation of register file window structure by using the operation of the partitioned register file inspector added in the integer pipeline of microprocessor. The power savings show that, when the size and entry-content of the register file inspector is properly fixed, the average saving on the energy consumption of the register file could be up to 79% compared with the traditional register file control scheme.

Published in:

Computer Science and Information Engineering, 2009 WRI World Congress on  (Volume:3 )

Date of Conference:

March 31 2009-April 2 2009