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A performance and energy exploration of dictionary code compression architectures
KTH, School of Information and Communication Technology (ICT), Communication: Services and Infrastucture, Software and Computer Systems, SCS.
KTH, School of Information and Communication Technology (ICT), Communication: Services and Infrastucture, Software and Computer Systems, SCS. (Kista Multicore Center)ORCID iD: 0000-0002-9637-2065
KTH, School of Information and Communication Technology (ICT), Electronic Systems.ORCID iD: 0000-0002-8072-1742
2011 (English)In: 2011 International  Green Computing Conference and Workshops (IGCC), IEEE conference proceedings, 2011, 1-8 p.Conference paper, Published paper (Refereed)
Abstract [en]

We have made a performance and energy exploration of a previously proposed dictionary code compression mechanism where frequently executed individual instructions and/or sequences are replaced in memory with short code words. Our simulated design shows a dramatically reduced instruction memory access frequency leading to a performance improvement for small instruction cache sizes and to significantly reduced energy consumption in the instruction fetch path. We have evaluated the performance and energy implications of three architectural parameters: branch prediction accuracy, instruction cache size and organization. To asses the complexity of the design we have implemented the critical stages in VHDL.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2011. 1-8 p.
Keyword [en]
CPU architecture, Code compression, low energy architecture
National Category
Computer Engineering
Identifiers
URN: urn:nbn:se:kth:diva-89621DOI: 10.1109/IGCC.2011.6008584Scopus ID: 2-s2.0-80053208021ISBN: 978-1-4577-1222-7 (print)OAI: oai:DiVA.org:kth-89621DiVA: diva2:503170
Conference
IGCC'2011, Orlando, Florida, USA, July 25-28, 2011
Note
© 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. QC 20120215Available from: 2012-02-15 Created: 2012-02-15 Last updated: 2012-02-15Bibliographically approved

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Citation style
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