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The computing continuum, from devices to the cloud, is relying on digital services. In this project you will focus on measuring the energy consumption of the applications and computing systems that compose these digital services, and translate the results into energy labels. Scientific discovery, product development, data science and artificial intelligence, online shopping, and entertainment rely increasingly on digital services. Digital services come with a significant, rapidly-increasing energy cost, raising sustainability concerns. Even more concerning, worldwide estimates project the ICT sector to reach 21% of the global energy consumption by 2030.
Users interacting with devices — mobile phones, tablets, or laptops — trigger entire digital chains, combining multiple communicating computing layers and data transfers: from the device itself, through the edge, to the datacenter. Each layer has its own computing infrastructure. At each layer, decisions are made about how, where and when applications are running and/or data are transferred. These decisions have a significant impact on the user-perceived quality-of-service (QoS), but also on the energy consumption – per layer, and for the entire digital chain. In this complex environment, even though the energy footprint of different devices along the chain might be known, the actual energy consumed by the application is unknown, because it depends on infrastructure choices, and on user QoS requirements, and on mapping decisions made on the edge and in the datacenter. In fact, the energy efficiency, i.e., the amount of energy consumed to perform the actual task at hand, is largely unknown for most digital chains.
The first step to reduce waste in computing is to quantify the energy efficiency of end-to-end digitalchains. This project will design an integrated framework (i.e., the methods, metrics, and tools) for this quantification effort. Specifically, we aim to define a reference architecture of digital chains, use it to define an analytical digital-chain energy-efficiency model that exposes the factors that impact energy efficiency along the chain, and support it with a high-level functional simulator to assess different operational scenarios and parameters that affect the energy efficiency of digital chains.
What are you going to do
What do we require of you
Fixed-term contract: 18 months.
A temporary contract for 38 hours per week, preferably starting on 1 March 2022 for the duration of four years (the initial contract will be for a period of 18 months and after satisfactory evaluation it will be extended for a total duration of four years). This should lead to a dissertation (PhD thesis). We will draft an educational plan that includes attendance of courses and (international) meetings. We also expect you to assist in teaching undergraduates and Master students.
Your salary ranges between €2.434 to €3.111 gross per month on the basis of a full working week of 38 hours. This is exclusive 8% holiday allowance and 8.3% year-end allowance. A favourable tax agreement, the '30% ruling', may apply to non-Dutch applicants. The Collective Labour Agreement for Dutch Universities (CAO NU) is applicable. Are you curious about our extensive package of secondary employment benefits like our excellent opportunities for study and development? Take a look here.
With over 6,000 employees, 30,000 students and a budget of more than 600 million euros, the University of Amsterdam (UvA) is an intellectual hub within the Netherlands. Teaching and research at the UvA are conducted within seven faculties: Humanities, Social and Behavioural Sciences, Economics and Business, Law, Science, Medicine and Dentistry. Housed on four city campuses in or near the heart of Amsterdam, where disciplines come together and interact, the faculties have close links with thousands of researchers and hundreds of institutions at home and abroad.
The UvA’s students and employees are independent thinkers, competent rebels who dare to question dogmas and aren’t satisfied with easy answers and standard solutions. To work at the UvA is to work in an independent, creative, innovative and international climate characterised by an open atmosphere and a genuine engagement with the city of Amsterdam and society.
The Faculty of Science has a student body of around 7,000, as well as 1,600 members of staff working in education, research or support services. Researchers and students at the Faculty of Science are fascinated by every aspect of how the world works, be it elementary particles, the birth of the universe or the functioning of the brain.
The mission of the Informatics Institute is to perform curiosity-driven and use-inspired fundamental research in Computer Science. The main research themes are Artificial Intelligence, Computational Science and Systems and Network Engineering. Our research involves complex information systems at large, with a focus on collaborative, data driven, computational and intelligent systems, all with a strong interactive component
University of Amsterdam (UvA)
Science Park 904, 1098 XH, Amsterdam
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