M.Sc. Tim Niklas Uhl
- Wissenschaftlicher Mitarbeiter
- Raum: 221
- Tel.: +49 721 608-46603
- Fax: +49 721 608-43088
- uhl ∂does-not-exist.kit edu
- ORCID
- github.com/niklas-uhl/
Forschungsschwerpunkte
- High-Performance Computing
- Skalierbare Graphalgorithmen
- Verteilte Algorithmen
- Message Passing Interface
Software
MPI- und Kommunikations-Libraries
- KaMPIng - (Near) zero-overhead MPI wrapper for modern C++
- KaMPIng-v2 - the next-generation modern C++ interface for MPI
- BriefKAsten - an asynchronous buffering message queue for MPI
Skalierbare Graphalgorithmen
Publikationen
Concepts in Practice: C++ MPI Bindings for the HPC Ecosystem : From a Standardizable Core to a Composable Interface
Uhl, T. N.; Schimek, M.; Brommer, D.
2027. Recent Advances in the Message Passing Interface : 33rd European MPI Users’ Group Meeting, EuroMPI 2026, Vienna, Austria, October 7–9, 2026, Proceedings. Ed.: C. Niethammer, 20–38, Springer Nature Switzerland. doi:10.1007/978-3-032-40777-1_2
Uhl, T. N.; Schimek, M.; Brommer, D.
2027. Recent Advances in the Message Passing Interface : 33rd European MPI Users’ Group Meeting, EuroMPI 2026, Vienna, Austria, October 7–9, 2026, Proceedings. Ed.: C. Niethammer, 20–38, Springer Nature Switzerland. doi:10.1007/978-3-032-40777-1_2
Engineering Scalable Distributed List Ranking
Sanders, P.; Schimek, M.; Uhl, T. N.; Weidmann, T.
2027. Euro-Par 2026: Parallel Processing – 32nd European Conference on Parallel and Distributed Processing, Pisa, Italy, August 24–28, 2026, Proceedings, Part II. Ed.: M. Torquati, 585–599, Springer Nature Switzerland. doi:10.1007/978-3-032-35251-4_40
Sanders, P.; Schimek, M.; Uhl, T. N.; Weidmann, T.
2027. Euro-Par 2026: Parallel Processing – 32nd European Conference on Parallel and Distributed Processing, Pisa, Italy, August 24–28, 2026, Proceedings, Part II. Ed.: M. Torquati, 585–599, Springer Nature Switzerland. doi:10.1007/978-3-032-35251-4_40
Concepts for Designing Modern C++ Interfaces for MPI
Avans, C. N.; Correa, A. A.; Ghosh, S.; Schimek, M.; Schuchart, J.; Skjellum, A.; Suggs, E. D.; Uhl, T. N.
2026. Recent Advances in the Message Passing Interface. Ed.: J. Schuchart, 165–183, Springer Nature Switzerland. doi:10.1007/978-3-032-07194-1_10
Avans, C. N.; Correa, A. A.; Ghosh, S.; Schimek, M.; Schuchart, J.; Skjellum, A.; Suggs, E. D.; Uhl, T. N.
2026. Recent Advances in the Message Passing Interface. Ed.: J. Schuchart, 165–183, Springer Nature Switzerland. doi:10.1007/978-3-032-07194-1_10
KaMPIng: Flexible and (Near) Zero-Overhead C++ Bindings for MPI
Uhl, T. N.; Schimek, M.; Hübner, L.; Hespe, D.; Kurpicz, F.; Seemaier, D.; Stelz, C.; Sanders, P.
2024. International Conference for High Performance Computing, Networking, Storage and Analysis (SC24), 689–709, IEEE Computer Society. doi:10.1109/SC41406.2024.00050
Uhl, T. N.; Schimek, M.; Hübner, L.; Hespe, D.; Kurpicz, F.; Seemaier, D.; Stelz, C.; Sanders, P.
2024. International Conference for High Performance Computing, Networking, Storage and Analysis (SC24), 689–709, IEEE Computer Society. doi:10.1109/SC41406.2024.00050
Brief Announcement: (Near) Zero-Overhead C++ Bindings for MPI
Hespe, D.; Hübner, L.; Kurpicz, F.; Sanders, P.; Schimek, M.; Seemaier, D.; Uhl, T. N.
2024. SPAA ’24: Proceedings of the 36th ACM Symposium on Parallelism in Algorithms and Architectures, Nantes, 17th-21st June 2024, 289–291, Association for Computing Machinery (ACM). doi:10.1145/3626183.3660260
Hespe, D.; Hübner, L.; Kurpicz, F.; Sanders, P.; Schimek, M.; Seemaier, D.; Uhl, T. N.
2024. SPAA ’24: Proceedings of the 36th ACM Symposium on Parallelism in Algorithms and Architectures, Nantes, 17th-21st June 2024, 289–291, Association for Computing Machinery (ACM). doi:10.1145/3626183.3660260
Engineering a Distributed-Memory Triangle Counting Algorithm
Sanders, P.; Uhl, T. N.
2023. 2023 IEEE International Parallel and Distributed Processing Symposium (IPDPS), 702–712, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/IPDPS54959.2023.00076
Sanders, P.; Uhl, T. N.
2023. 2023 IEEE International Parallel and Distributed Processing Symposium (IPDPS), 702–712, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/IPDPS54959.2023.00076
Communication Efficient Triangle Counting. Masterarbeit
Uhl, T. N.
2021. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000150358
Uhl, T. N.
2021. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000150358
Faster and better nested dissection orders for Customizable Contraction Hierarchies
Gottesbüren, L.; Hamann, M.; Uhl, T. N.; Wagner, D.
2019. Algorithms, 12 (9), Art.-Nr.: 196. doi:10.3390/a12090196
Gottesbüren, L.; Hamann, M.; Uhl, T. N.; Wagner, D.
2019. Algorithms, 12 (9), Art.-Nr.: 196. doi:10.3390/a12090196
| Titel | Tagung | Datum |
|---|---|---|
| Engineering Scalable Distributed List Ranking | EuroPar 2026 |
August 2026 |
| KaMPIng: Flexible and (Near) Zero-Overhead C++ Bindings for MPI | SC24 |
November 2024 |
| Scalable Discrete Algorithms for the Basic Toolbox | 27th HLRS Results and Review Workshop |
Oktober 2024 |
| (Near) Zero-Overhead C++ Bindings for MPI | SPAA 2024 |
Juni 2024 |
| Engineering a Distributed-Memory Triangle Counting Algorithm | IPDPS 2023 |
Mai 2023 |
| Titel | Typ | Semester |
|---|---|---|
| Parallele Algorithmen - Von Theorie zu Praxis | Proseminar | SS 2022 |
| Parallele Algorithmen - Von Theorie zu Praxis | Proseminar (PS) | SS 2023 |
| Proseminar Algorithm Engineering | Proseminar (PS) | SS 2024 |
| Algorithmen I | Vorlesung / Übung (VÜ) | SS 2025 |
| Algorithmen I | Vorlesung / Übung (VÜ) | SS 2026 |
| Visualisierung von Graphalgorithmen | Praxis der Softwareentwicklung | WS 22/23 |
| Parallele Algorithmen | Vorlesung (V) | WS 22/23 |
| Parallele Algorithmen | Vorlesung (V) | WS 23/24 |
| Parallele Algorithmen | Vorlesung (V) | WS 24/25 |
| Parallel Algorithms | Vorlesung (V) | WS 25/26 |
| Parallel Algorithms | Vorlesung (V) | WS 26/27 |
| Titel | Forschungsthema | Betreuung | Bearbeitung | Typ | Datum |
|---|---|---|---|---|---|
| Speedup Techniques for Irregular Sparse All-to-All | Kommunikationalgorithmen, verteilte Graphalgorithmen | Gregor Peters |
Bachelorarbeit | Juni 2024 | |
| Development and Evaluation of a Parallel Model Merging Algorithm Based on the PREEvision Use Case | Parallele Graphalgorithmen, zusammen mit Vector Informatik GmbH | Patrick Fetzer |
Masterarbeit | März 2024 | |
| Massively Parallel List-Ranking and Tree-Rooting | Distributed Graph Algorithms | Thomas Weidmann |
Masterarbeit | März 2024 | |
| Engineering Asynchronous Label Propagation for Multilevel Graph Partitioning | Graph Partitioning | Samuel Gil |
Bachelorarbeit | Februar 2024 |