Sebastian Ohlmann
HPC Expert at Max Planck Computing and Data Facility (MPCDF)
Greater Munich Metropolitan Area Germany
Summary
👤
Senior🎓
Top SchoolSebastian Ohlmann is an HPC expert with nine years of experience helping scientists turn computational ideas into high-performance, production-ready code at the Max Planck Computing and Data Facility. He specializes in optimizing and benchmarking electronic structure codes while also designing and packaging efficient software stacks for shared HPC systems. Trained as a physicist with a PhD background and prior postdoctoral work in theoretical institutes, he blends deep domain knowledge—spanning astrophysics research on stellar mergers and common-envelope phases—with practical systems engineering. Colleagues value him for bridging research and operations: he not only tunes algorithms for scale but ensures reproducible, distributable deployments across complex HPC environments.
9 years of coding experience
2 years of employment as a software developer
Diplom, Physics, Diplom, Physics at Karlsruhe Institute of Technology (KIT)PhD, Physics, PhD, Physics at Heidelberg UniversityPhD - started, Physics, PhD - started, Physics at The Julius Maximilians University of Würzburg
Github Skills (49)
likwid10
assembly10
snakemake10
benchmarking10
instrumentation10
power-management10
x8610
lua10
performance-analysis10
perf10
glibc10
profiling10
armv810
performance-tuning10
hardware-performance-counters10
Programming languages (3)
Github contributions (5)
ohlmann/parallel_decorators
Apr 2017 - Feb 2020
Contributions:26 commits, 2 PRs, 25 pushes in 2 years 10 months
paralleldecoratorsvectorizationjulia
ohlmann/likwid
Jun 2018 - Oct 2019
Performance monitoring and benchmarking suite
Contributions:3 pushes, 5 branches in 1 year 4 months
stress-testingperformance-monitoringbenchmarkingperformance-analysisbenchmarking-suite
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