Impact of address generation on multimedia embedded VLIW processors

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27740%2F18%3A10241081" target="_blank" >RIV/61989100:27740/18:10241081 - isvavai.cz</a>

Výsledek na webu

<a href="https://link.springer.com/chapter/10.1007%2F978-3-319-99954-8_35" target="_blank" >https://link.springer.com/chapter/10.1007%2F978-3-319-99954-8_35</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/978-3-319-99954-8_35" target="_blank" >10.1007/978-3-319-99954-8_35</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Impact of address generation on multimedia embedded VLIW processors

Popis výsledku v původním jazyce

Embedded multimedia devices need to be more and more energy efficient while dealing with applications of increasing complexity. These applications are characterised by having complex array index manipulation, a large number of data accesses and require high performant specific computation at low energy consumption due to battery life. In many cases, the principal component of such systems is a programmable processor, and often, a Very Large Instruction Word (VLIW) processor (alone or integrated with other processor cores). A VLIW processor seems a good solution providing enough performance at low power with sufficient programmability but optimising the access to the data is a crucial issue for the success of those devices. Some modern embedded architectures include a dedicated unit that works in parallel with the central computing elements ensuring efficient feed and storage of the data from/to the data path: the Address Generation Unit. In this paper, we present an experimental work that shows, on real and complete applications and benchmarks, the impact of address generation in VLIW-like processor architectures. We see how address generation in multimedia embedded systems has a very significant contribution to the energy budget and a careful analysis an optimisation is needed to extend battery life as much as possible while keeping enough performance to satisfy the quality of service requirements. We also present the framework used to create and evaluate the impact of address generation on the overall system.

Název v anglickém jazyce

Impact of address generation on multimedia embedded VLIW processors

Popis výsledku anglicky

Embedded multimedia devices need to be more and more energy efficient while dealing with applications of increasing complexity. These applications are characterised by having complex array index manipulation, a large number of data accesses and require high performant specific computation at low energy consumption due to battery life. In many cases, the principal component of such systems is a programmable processor, and often, a Very Large Instruction Word (VLIW) processor (alone or integrated with other processor cores). A VLIW processor seems a good solution providing enough performance at low power with sufficient programmability but optimising the access to the data is a crucial issue for the success of those devices. Some modern embedded architectures include a dedicated unit that works in parallel with the central computing elements ensuring efficient feed and storage of the data from/to the data path: the Address Generation Unit. In this paper, we present an experimental work that shows, on real and complete applications and benchmarks, the impact of address generation in VLIW-like processor architectures. We see how address generation in multimedia embedded systems has a very significant contribution to the energy budget and a careful analysis an optimisation is needed to extend battery life as much as possible while keeping enough performance to satisfy the quality of service requirements. We also present the framework used to create and evaluate the impact of address generation on the overall system.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

10201 - Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)

Projekt

<a href="/cs/project/LQ1602" target="_blank" >LQ1602: IT4Innovations excellence in science</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Lecture Notes in Computer Science. Volume 11127

ISBN

978-3-319-99953-1

ISSN

0302-9743

e-ISSN

1611-3349

Počet stran výsledku

17

Strana od-do

417-433

Název nakladatele

Springer

Místo vydání

Cham

Místo konání akce

Olomouc

Datum konání akce

27. 9. 2018

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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