publication . Conference object . 2016

User-space APIs for dynamic power management in many-core ARMv8 computing nodes

Daniele Bortolotti; Simone Tinti; Piero Altoè; Andrea Bartolini;
Open Access
  • Published: 15 Sep 2016
  • Publisher: IEEE
  • Country: Italy
Abstract
The push for energy-efficient and energy-proportional computing nodes, together with the increasing number of cores integrated in the same silicon die has lead to computing nodes with fine grained power management capabilities. To unleash the potential of this HW design a novel user-space power management APIs is needed to bring fine-grain power management in the hands of the programmer. In this work we present a novel programming mechanism for energy efficiency which is build around novel user-space power management APIs suitable to be embedded in user-space applications. We evaluated its timing and power saving performance on a novel computing node based on Cavium ThunderX ARMv8-based many-cores SoC.
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Subjects
free text keywords: Computational Theory and Mathematics, Numerical Analysis, Computer Networks and Communications, Modeling and Simulation, User space, Efficient energy use, Programmer, Many core, Power management, Embedded system, business.industry, business, Computer science, Dynamic power management, Power saving, Node (computer science)
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Funded by
EC| ExaNoDe
Project
ExaNoDe
European Exascale Processor Memory Node Design
  • Funder: European Commission (EC)
  • Project Code: 671578
  • Funding stream: H2020 | RIA
Validated by funder
,
EC| MULTITHERMAN
Project
MULTITHERMAN
Multiscale Thermal Management of Computing Systems
  • Funder: European Commission (EC)
  • Project Code: 291125
  • Funding stream: FP7 | SP2 | ERC
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