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HiPEAC news

LEGaTO project draws to a close with low-energy heterogeneous computing workshop The LEGaTO project celebrated its final event, the ‘Low-Energy Heterogeneous


Workshop’, on 4 September 2020 as part of FPL 2020. The aim of the workshop was to present the optimization low-energy techniques used in LEGaTO to other stakeholders and share project’s latest results. It included a keynote talk by Stephan Diestelhorst (Xilinx), five panel sessions on the main topics of the project and a poster session. Martin Kaiser (Bielefeld University), who presented the ‘most

Martin Kaiser giving his pre-recorded poster presentation, in true

voted-for poster’, talked to us about his research and the

2020 style

experience of working on a European project like LEGaTO as an early career researcher.

The unique feature of RECS is that application developers can quickly change among a variety of tightly clustered heterogeneous

Many congratulations on the success of your LEGaTO poster!

target architectures. From a research point of view, the RECS

Could you tell us a bit about the research you presented?

platform can be seen as a “sandbox”, which allows you to test

Thank you very much! First of all, it is not only “my” research, but

different hardware components with low effort and select the

part of the work of about ten enthusiastic and talented engineers

best match for your applications.

here at Bielefeld University and the company Christmann. Together we are developing the hardware platform RECS (short

What were your responsibilities in LEGaTO? What was your

for Resource Efficient Clustering System) that is being used for

experience working on the project?

all applications within LEGaTO.

Within LEGaTO, I worked on t.RECS, which is short for tiny RECS. t.RECS expands the RECS portfolio previously focused on cloud and data centre to include edge computing applications. The server comes in a compact form factor and aims for a high energy efficiency and connectivity and was designed to be used in edge applications like automation, automotive or smart home/city. As a part of the hardware development, we worked as an executive member of the PICMIG committee to define the upcoming COMHPC standard, which is used for t.RECS. We succeeded in driving the standard towards LEGaTO’s goals to support heterogeneous and energy-efficient computations. What was the added value to your career of being in a panEuropean project? It was great to work in a group of such talented international scientists, who all have the common goal of improving the energy efficiency of computations in mind. Also, I gained lots of international experience by playing an active role in the standardization process of COM-HPC. But in the end, the best

Martin Kaiser (Bielefeld University) demonstrating LEGaTO's hardware

thing is to get the confirmation that the developments we worked

platform t.RECS, Universität Bielefeld/S. Jonek

on for years are being used in practice and provide added value in the daily development process. Recording of the event:

bit.ly/legato-workshop HiPEACINFO  62 9

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