Chair News

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The Chair for Compiler Construction was well represented at this year's HiPEAC Conference in Bologna, Italy. The HiPEAC conference is a great networking oportunity and the premier European forum for experts in computer architecture, programming models, compilers and operating systems for embedded and general-purpose systems. Asif Ali Khan presented his ACM TACO paper ShiftsReduce: Minimizing Shifts in Racetrack Memory 4.0 in the main track. Christian Menard presented his work on Achieving Determinism in Adaptive AUTOSAR in the poster session on Monday and in the co-located workshop on "Energy Efficiency for Reactive and Adaptive Automotive Applications". This workshop was organized in a joint effort by the Chair for Compiler Construction together with Silexica, ICE RWTH Aachen, and Videantis. Both researchers participated in the social event and many other conference sessions where they used the opportunity to exchange idead with like-minded researchers from around the world.

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Pirah Noor Soomro is visiting the Chair for Compiler Construction from January through March 2020. Her visit is supported by a Eurolab4HPC Grant that aims at improving the efficiency of tensor applications on heterogeneous platforms. A specific area of focus is the processing of tensors during the inference phase of state-of-the-art machine learning models, including deep neural networks, on heterogeneous multi-core CPUs. Pirah’s work at the Chair for Compiler Construction will build on the XiTAO runtime, which Pirah has previously been using in her work at her home institution, Chalmers University of Technology.

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The chair for compiler construction, together with Prof. Chadlia Jerad from the University of Manouba (Tunis), organized a lecture series and a workshop on "Embedded programming in practice: teaching and research", held at the National School of Computer science (ENSI). The event took place during the week of the 1st of December 2019. Prof. Castrillon, assisted by his Ph.D. Students Andres Goens and Hasna Bouraoui, gave an intensive course for Tunisian students, where he presented fundamentals of parallelism, polyhedral compilers, and data-flow based programming models. Besides, he gave a research talk entitled "Embedded manycore programming: From auto-parallelization to domain-specific languages" during the workshop session. The research talk ended with a round table discussion about Research landscape and opportunities for technology while debating two viewpoints from two different countries: Germany and Tunisia.  The event was sponsored by the  Daad Project Transformation line 2, under a collaboration between TU Dresden and the University of Manouba, Tunis. 

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We are happy to host the first of hopefully many exchange PhD students from the Universidad de Antioquia (UdeA) in Medellin Colombia. John Byron works under the supervision of Prof. Fredy River and Prof. Ricardo Velasquez at the Department of Electronics where he is affiliated to the SISTEMIC lab. John Byron Buitrago received his BSc. diploma in Electronics Engineering in 2005 and his Master Degree on Engineering in 2014 from the UdeA. He started his PhD in the same institution in 2016, working on methodologies for the automatic synthesis of computer architecture simulators onto parallel platforms. John Byron will be collaborating with researches at the CC Chair for the next six months on methodologies to automatically generate efficient simulators with special focus on the uncore. We look forward for a collaborative winter term!

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The CC Chair was present at the International Conference on Software Language Engineering (SLE) co-located with SPLASH and OOPSLA. Lars Schütze presented our work on Efficient Late Binding of Dynamic Function Composition. The conference, known for its applications of modeling, domain-specific languages (DSLs), and their implementation, was a good fit for the presented topic. The conference offered a nice atmosphere and space for vivid discussions and networking with researchers across the globe. The talk was attended by roughly 30 researchers. A video feed of the presentation is also available. 

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Prof. Castrillon gave the first keynote in the 13th IEEE International Symposium on Embedded Multicore/Many-core Systems-on-Chip (MCSoC’19), held in Singapore during  October 1 to 4. Prof. Castrillon gave similar a talk to the one in the CPSS summer school and talked about “Embedded manycore programming: From auto-parallelization to domain specific languages”. The presentation reviews work done by Prof. Castrillon and collaborators over the past 13 years for programming multi-core systems, going from auto-parallelization, over dataflow programming to domain specific languages. The presentation was attended by about 70 researchers working on different aspects of multi-core systems, from architectures to end-user applications. 

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Prof. Castrillon was invited to give a talk during this year’s CPS summer school “Designing Cyber-Physical Systems – From concepts to implementation” held in the beautiful Alghero Sardinia during the 23-27 of September. Prof. Castrillon talked about “Dataflow and higher level abstractions for parallel programming” in the context of CPS, recalling challenges in auto-parallelization compilers and discussing current works in dataflow programming and domain specific languages. The school director, Prof. Francesca Palumbo, and the organization team did a great job with the technical and social program of the event.  The school is highly recommended. Details of the keynote including slides and a video feed can be found at the school website. 

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We congratulate Sebastian Ertel for having successfully defended his PhD on September 4th, 2019.  Sebastian worked with us from May 2015 (check out the announcement from back then) and, while we are sad to see him leave, we wish him all the best for the future. Sebastian presented his work on “Towards Implicit Parallel Programming for Systems” in front of family, friends, colleagues and a jury composed of five university professors. Michel Steuwer, a professor at the School of Computing Science at the University of Glasgow, acted as second reviewer and spent two days visiting the CC Chair. 

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Joonas Multanen, a graduate student at the Laboratory of Pervasive Computing in Tampere University of Technology, presented joint work with the CC Chair on Efficient Instruction Delivery with Domain Wall Memory (SHRIMP). Joonas worked at the CC Chair in the second semester of 2018 in the context of a collaboration between our group and the group of Pekka Jääskeläinen from the Customized Parallel Computing research group.

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Robert Khasanov and Asif Ali Khan from the CC Chair attended the 15th International Summer School on Advanced Computer Architecture and Compilation for High-Performance and Embedded Systems (ACACES) in Fiuggi, Italy. ACACES connects computer architects and tool builders from both academia and industry working on high performance computer architectures and compilation for computing systems. This year's ACACES week included lectures by renowned experts in field, including speakers from AMD, NVIDIA and Micron. Asif and Robert had the opportunity to present their work at the poster session and visit posters from other researchers working in similar domains.