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Is the powersave governor really saving power?

Publications associées (35)

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On the Adaptation of Building Controls to the Envelope and the Occupants

David Daum

The sun is the biggest known source of energy in our solar system. We feel its strength when it gets hot during the the day and we notice its absence during the night when we feel cold. So as to be less dependent on the sun as an energy source, we implemen ...

EPFL2011

CCNoC: On-Chip Interconnects for Cache-Coherent Manycore Server Chips

Giovanni De Micheli, Babak Falsafi, Ciprian Seiculescu, Stavros Volos, Naser Khosro Pour

Manycore chips are emerging as the architecture of choice to provide power-scalability and improve performance while riding the Moore’s law. On-chip interconnects are increasingly playing a pivotal role in power- and performance- scalability of such microa ...

2011

Dynamic Thermal Management in 3D Multicore Architectures

David Atienza Alonso, Yusuf Leblebici, José Luis Ayala Rodrigo, Ayse Kivilcim Coskun

Technology scaling has caused the feature sizes to shrink continuously, whereas interconnects, unlike transistors, have not followed the same trend. Designing 3D stack architectures is a recently proposed approach to overcome the power consumption and dela ...

IEEE and ACM2009

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2009

A Current Sensing Completion Detection Method for Asynchronous Pipelines Operating In the Sub-threshold Regime

Yusuf Leblebici, Omer Can Akgun

Digital circuits operating in the sub-threshold regime are able to perform minimum energy operation at a given delay. In the sub-threshold regime the circuit delay, and hence, the leakage energy consumption depend on the supply voltage exponentially. By re ...

2009

Systematic Methodology for Exploration of Performance – Energy Trade-offs in Network Applications Using Dynamic Data Type Refinement

David Atienza Alonso

Modern network applications require high performance and consume a lot of energy. Their inherent dynamic nature makes the dynamic memory subsystem a critical contributing factor to the overall energy consumption and to the execution time performance. This ...

2007

As an execution platform, the Java Virtual Machine (JVM) provides many benefits in terms of portability and security. However, this advantage turns into an obstacle when it comes to determining the computing resources (CPU, memory) a program will require t ...

IEEE Computer Society Press2006

2006

Dynamic Data Type Refinement Methodology for Systematic Performance-Energy Design Exploration of Network Applications

David Atienza Alonso

Network applications are becoming increasingly popular in the embedded systems domain requiring high performance, which leads to high energy consumption. In networks is observed that due to their inherent dynamic nature the dynamic memory subsystem is a ma ...

ACM/IEEE Press2006

Profile-based Dynamic Voltage and Frequency Scaling for a Multiple Clock Domain Microprocessor

A Multiple Clock Domain (MCD) processor addresses the challenges of clock distribution and power dissipation by dividing a chip into several (coarse-grained) clock domains, allowing frequency and voltage to be reduced in domains that are not currently on t ...

2003