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Power minimisation during field programmable gate array placement

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7 Author(s)
Vorwerk, K. ; Actel Corp., Mountain View, CA, USA ; Kennings, A. ; Pevzner, V. ; Kundu, A.
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This study discusses the implementation of two sets of techniques for minimising power within the context of a commercial field programmable gate array (FPGA) placement flow. The first aspect discussed in this work is a power-aware objective function for placement. In particular, a capacitance model for global nets is described which allows the net power in a design to be dramatically reduced. The second aspect describes augmentations to a physical re-synthesis flow, which help to reduce area and power by optimising the number of combinational and sequential cells. The results are quantified across a suite of 119 industrial benchmarks targeting the Actel?? IGLOO??FPGA architecture. Power measurements show that the techniques described in this study reduce dynamic power by 13% on average, with a 6.7% average improvement in timing performance across the suite.

Published in:

Computers & Digital Techniques, IET  (Volume:4 ,  Issue: 3 )

Date of Publication:

May 2010

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