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Morphable DPU: Smart and Efficient Data Path for Signal Processing Applications
KTH, School of Information and Communication Technology (ICT), Electronic Systems.
KTH, School of Information and Communication Technology (ICT), Electronic Systems.ORCID iD: 0000-0003-0565-9376
2009 (English)In: SIPS: 2009 IEEE WORKSHOP ON SIGNAL PROCESSING SYSTEMS, 2009, 167-172 p.Conference paper (Refereed)
Abstract [en]

A coarse grained morphable Datapath Unit (mDPU) has been proposed. This mDPU implements multiplier in a smart way that enables the component adders to be reused when we do not need the multiplier. A pipelined design further enhances the design by creating a balanced datapath in temporal sense. These two features results in a design that optimally uses silicon and time. A judicious set of Coarse Granular instructions are enabled by the mDPU that we show can implement typical signal processing functions. A radix-2 64 point FFT has been implemented in 90 nm technology using the proposed mDPUs and performance and energy results from physical design phase are reported and compared to a state-of-the-art comparable design from the research community. 4X improvement in performance and 2.5X improvement in power-performance product are reported.

Place, publisher, year, edition, pages
2009. 167-172 p.
, IEEE Workshop on Signal Processing System, ISSN 1520-6130
National Category
Computer and Information Science
URN: urn:nbn:se:kth:diva-30192DOI: 10.1109/SIPS.2009.5336246ISI: 000274328800030ScopusID: 2-s2.0-74549224405ISBN: 978-1-4244-4334-5OAI: diva2:400825
IEEE Workshop on Signal Processing Systems (SiPS 2009) Tampere, FINLAND, OCT 07-09, 2009
QC 20110228Available from: 2011-02-28 Created: 2011-02-21 Last updated: 2012-01-12Bibliographically approved

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Shami, Muhammad AliHemani, Ahmed
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