Energy Efficient Computing
Special Interest Group

Help us define the next computing evolution

The use of digital devices and systems – big and small, complex and simple - is already responsible for a significant proportion of the electricity consumption of developed economies and it is set to grow.

The design and development of computing devices, systems architecture and the software which run on them has become increasingly complex; the devices and systems and the software which run on them has, as a result, become more energy consuming. Energy consumption has become a major issue in product design. The challenges faced are:

  • the design and development of novel computer architectures to optimise energy efficiency and address the ‘dark silicon’ problem (the decreasing proportion of transistors on-chip which are usable or unused because we have reached the voltage threshold below which the transistors will not switch and there are production problems as we approach the limit of atomic structures in silicon)
  • writing energy-aware software (using new techniques and algorithms) to exploit novel architectures for greater energy efficiency such that devices and systems are less energy consumptive
  • developing low-power designs for digital signal processing, energy-efficient chip- to-chip interconnects, and cross-layer (3D) chip optimisation.

Critically, these challenges are pertinent to both mobile devices (e.g. smartphones, tablet computers) and large-scale systems and both require characterisation of the energy efficiency of current devices, systems and software to be used in modelling the next generation devices, systems and software.

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