Karl Rupp
Founder at SerwasPV GmbH
Pottendorf, Lower Austria
Summary
👤
Senior🎓
Top SchoolKarl Rupp is a founder and computational scientist with 15 years of experience translating high-performance research into practical, open-source software and engineered products. He holds a PhD in Microelectronics from TU Wien and led projects on GPU-accelerated numerical methods and semiconductor device simulation, including contributions to PETSc for improved accelerator support. Karl runs two ventures—SerwasPV, focusing on residential solar systems, and BrickXter, which develops sensor-driven logistics for mobile silos—demonstrating a blend of deep technical expertise and hands-on product delivery. His academic work includes leading a supercomputing project solving the Boltzmann equation in 3D and advancing many-core algorithms exposed through libraries like ViennaCL. Colleagues describe him as mission-driven to make advanced computing accessible to everyday users, and he uniquely pairs low-level performance optimization with practical deployments in energy and industrial IoT.
15 years of coding experience
10 years of employment as a software developer
Doctor of Philosophy (PhD), Microelectronics, Doctor of Philosophy (PhD), Microelectronics at TU Wien
English, German, Italian, Latin
Stackoverflow
171reputation
429reached
3answers
0questions
Github Skills (12)
mathematics10
matrix-multiplication10
code-optimization10
mat10
numerical-analysis10
matrix10
mathics10
math10
maths10
cuda9
armadillo6
visual-studio6
Programming languages (7)
Github contributions (5)
petsc/petsc
Mar 2013 - Sep 2020
Mirror of https://gitlab.com/petsc/petsc
Role in this project:
Back-end Developer
Back-end DeveloperContributions:910 commits, 1 comment in 7 years 7 months
Contributions summary:Karl's primary contribution appears to be improving the modularity and efficiency of the code. Their focus is on refactoring the matrix computations and optimization of the performance. The user has been involved in implementing various math related functionalities.
petscgitlab
viennashe/viennashe-dev
Mar 2014 - May 2022
Developer repository for ViennaSHE. Visit http://viennashe.sourceforge.net/ for the latest releases.
Contributions:27 commits, 1 PR, 13 pushes in 8 years 2 months
visitjavasourceforge
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