Jan WinkelmannCurriculum Vitae

B mail@janwinkelmann.euÍ janwinkelmann.eu

jwinkelmann

Education2015– Postgraduate, Aachen Institute for Advanced Study in Computational Engineering

Science (AICES) and the Simlab for Quantum Materials at the ForschunszentrumJülich, RWTH Aachen.{ PhD expected end of 2018{ Topic: Parameter Selection in Eigensolvers based on Subspace Iteration

2012–2015 M.Sc. in Computer Science, RWTH Aachen.{ Thesis: Parallel Bidiagonal SVD via the Method of Multiple Relatively Robust Represen-

tations{ Subsidiary Subject: Mathematics{ GPA: very good (1.5)

2009–2012 B.Sc. in “Computational Informatics”, Hamburg University of Technology.{ Thesis: A Data Partitioning Algorithm for Sound Particle Radiosity{ GPA: good (1.8)

Work Experience2014–2015 Dualworks, Consulting, self-employed.

Primarily consulting for Í Jaano GmbH, a scooter sharing service in Hamburg. Servicesrendered include strategic planning and development of the entire IT infrastructure.

Language SkillsEnglish Business FluentGerman Native Speaker

Programming Skills{ Working Knowledge: C++, CUDA, MATLAB, LATEX{ Familiar with: Julia, Python, R, Javascript, HTML/CSS, FORTRAN{ Specialized Knowledge in: High Performance Computing (MPI, OpenMP, Accelera-tors, Profiling, Cache-aware programming, Task-based parallelism, ...)

{ Specialized Knowledge in: Numerical Linear Algebra (BLAS, LAPACK, Elemental,Sparse Linear Solvers, Non-Convex Optimization, ...)

{ Specialized Knowledge in: Machine Learning (scikit-learn, WEKA, ...)

SupervisionÍ SummerStudents

I co-supervised the following Master Students during the 10 week programme:{ 2017: Gayatri Čaklović“Machine learning for iterative Solvers arising within FEAST”.

{ 2016: Josip Žubrinić“Distributed CPU/GPU parallelization of the ChASE library”.

{ 2015: Toni Vidović“Adaptive numerical integration in functional Renormalization Group methods”.

Bachelor’sTheses

{ 2017: Konrad A. S. KollnigÍ Constrained Optimisation of Rational Functions for Accelerating SubspaceIteration

Conferences and Workshops20 Jul 2017 7th JLESC Workshop, Urbana Champaign, USA.

Talk: Í Optimizing ChASE Eigensolver for Bethe-Salpeter Computations on Multi-GPUsÍ Slides.

27 Feb 2017 SIAM CSE, Atlanta, USA.Poster: Í Optimized Least-Squares Rational Filters for Interior Eigenvalue Problems

30 Nov 2016 6th JLESC Workshop, Kobe, Japan.Talk: Í Towards Automated Load Balancing via Spectrum Slicing for FEAST-like solversÍ Slides.

6 Jul 2016 PMAA, Bordeaux, France.Talk: Í Optimizing Least-Squares Rational Filters for Solving Interior Eigenvalue ProblemsÍ Slides.

12 Apr 2016 SIAM PP, Paris, France.Talk: Í Exploring OpenMP Task Priorities on the MR3 Eigensolver. Í Slides.

23 Mar 2015 GAMM Annual Meeting, Lecce, Italy.Talk: Í Parallel Bidiagonal SVD via the Method of Multiple Relatively Robust Representations

18 Mar 2013 Dega-AIA.Talk: Í Parallel Sound Particle Radiosity: Reunification of Diffracted and Scattered SoundParticles on Parallel Computers

Publications[1] Julian Lichtenstein, Jan Winkelmann, David Sanchez de la Pena, Toni Vidovic, and Edoardo

Di Napoli. Parallel adaptive integration in high-performance functional Renormalization Groupcomputations. In Jülich Aachen Research Alliance High-Performance Computing Symposium2016, Lecture Notes in Computer Science. Springer-Verlag, 2017. URL https://arxiv.org/pdf/1610.09991v1.pdf.

[2] Alexander Pohl, Jan Winkelmann, and Uwe M Stephenson. Parallel sound particle radiosity:Reunification of diffracted and scattered sound particles on parallel computers. Proceedingsof DAGA, Meran, Italy, 2013. URL http://pub.dega-akustik.de/AIA_DAGA_2013/data/articles/000173.pdf.

[3] Jan Winkelmann and Paolo Bientinesi. Parallel Bidiagonal SVD via the Method of MultipleRelatively Robust Representations. PAMM, 15(1):587–588, 2015. ISSN 1617-7061. doi:10.1002/pamm.201510283. URL http://dx.doi.org/10.1002/pamm.201510283.

[4] Jan Winkelmann and Edoardo Di Napoli. Non-Linear Least-Squares Optimization of RationalFilters for the Solution of Interior Eigenvalue Problems. ArXiv e-prints, Submitted to SIMAX,April 2017. URL http://arxiv.org/abs/1704.03255.