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Munich, Germany
Mar. 9, 1999 to Mar. 12, 1999
ISBN: 0-7695-0078-1
pp: 29
Gerd Jochens , OFFIS Research Institute, Oldenburg
Lars Kruse , OFFIS Research Institute, Oldenburg
Eike Schmidt , OFFIS Research Institute, Oldenburg
Wolfgang Nebel , OFFIS Research Institute, Oldenburg
ABSTRACT
We propose a novel power macro-model which is based on the Hamming-distance of two consecutive input vectors and additional information on the module structure. The model is parameterizable in terms of input bit-widths and can be applied to a wide variety of datapath components. The good trade-off between estimation accuracy, model complexity and flexibility makes the model attractive for power analysis and optimization tasks on a high level of abstraction. Furthermore, a new approach is presented that allows to calculate the average Hamming-distance distribution of an input data stream. It will be demonstrated that the application of Hamming-distance distributions, instead of only average values, improves the estimation accuracy for a number of typical DSP-modules and data streams.
CITATION
Gerd Jochens, Lars Kruse, Eike Schmidt, Wolfgang Nebel, "A New Parameterizable Power Macro-Model for Datapath Components", DATE, 1999, Design, Automation & Test in Europe Conference & Exhibition, Design, Automation & Test in Europe Conference & Exhibition 1999, pp. 29, doi:10.1109/DATE.1999.761093
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