Jiří Klepl

Ph.D. student

Department of Distributed and Dependable Systems
Faculty of Mathematics and Physics
Charles University

Malostranské náměstí 25
118 00 Praha 1
Czech Republic

E-mail: klepl@d3s.mff.cuni.cz

Research interests

• High performance computing (CUDA, vector processing, MPI)
• C++ programming language (meta-programming, modern language features)
• Functional programming and the Haskell language
• Type systems
• Programming language design

Teaching

• NPRG041 — C++ Language practicals

Publications

 @inproceedings{brabec_slaying_2025,
    title = {{Slaying a Life: Optimizing GPU-accelerated Game of Life Stencil}},
    author = {Brabec, Matyáš and Klepl, Jiří and Kruliš, Martin},
    year = {2025},
    booktitle = {{2025 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)}},
    publisher = {IEEE},
    location = {Milano, Italy},
    doi = {10.1109/IPDPSW66978.2025.00010},
    isbn = {979-8-3315-2643-6},
    pages = {15--24},
    url = {https://ieeexplore.ieee.org/document/11106100},
    shorttitle = {Slaying a Life},
}
 

 @inproceedings{brabec_tutoring_2025,
    title = {{Tutoring LLM into a Better CUDA Optimizer}},
    author = {Brabec, Matyáš and Klepl, Jiří and Töpfer, Michal and Kruliš, Martin},
    year = {2025},
    booktitle = {{Euro-Par 2025: Parallel Processing}},
    editor = {Nagel, Wolfgang E. and Goehringer, Diana and Diniz, Pedro C.},
    publisher = {Springer Nature Switzerland},
    location = {Dresden, Germany},
    doi = {10.1007/978-3-031-99857-7_18},
    isbn = {978-3-031-99857-7},
    pages = {250--263},
    url = {https://link.springer.com/chapter/10.1007/978-3-031-99857-7_18},
}
 

 @article{klepl_abstractions_2024,
    title = {{Abstractions for C++ code optimizations in parallel high-performance applications}},
    author = {Klepl, Jiří and Šmelko, Adam and Rozsypal, Lukáš and Kruliš, Martin},
    year = {2024},
    journal = {{Parallel Computing}},
    doi = {10.1016/j.parco.2024.103096},
    issn = {0167-8191},
    pages = {103096},
    url = {https://www.sciencedirect.com/science/article/pii/S0167819124000346},
    volume = {121},
}
 

 @inproceedings{klepl_layoutagnostic_2026,
    title = {{Layout-Agnostic MPI Abstraction for Distributed Computing in Modern C++}},
    author = {Klepl, Jiří and Kruliš, Martin and Brabec, Matyáš},
    year = {2026},
    booktitle = {{Recent Advances in the Message Passing Interface}},
    editor = {Schuchart, Joseph and Bouteiller, Aurelien and Hunold, Sascha and Jaeger, Julien and Niethammer, Christoph and Smith, Brian},
    publisher = {Springer Nature Switzerland},
    location = {Charlotte, NC, USA},
    doi = {10.1007/978-3-032-07194-1_3},
    isbn = {978-3-032-07194-1},
    pages = {36--53},
    url = {https://link.springer.com/chapter/10.1007/978-3-032-07194-1_3},
}
 

 @inproceedings{klepl_pure_2024,
    title = {{Pure C++ Approach to Optimized Parallel Traversal of Regular Data Structures}},
    author = {Klepl, Jiří and Šmelko, Adam and Rozsypal, Lukáš and Kruliš, Martin},
    year = {2024},
    booktitle = {{Proceedings of the 15th International Workshop on Programming Models and Applications for Multicores and Manycores}},
    publisher = {Association for Computing Machinery},
    location = {Edinburgh, Scotland},
    doi = {10.1145/3649169.3649247},
    isbn = {979-8-4007-0599-1},
    pages = {42--51},
    url = {https://dl.acm.org/doi/10.1145/3649169.3649247},
}
 

 @inproceedings{smelko_astute_2022,
    title = {{Astute Approach to Handling Memory Layouts of Regular Data Structures}},
    author = {Šmelko, Adam and Kruliš, Martin and Kratochvíl, Miroslav and Klepl, Jiří and Mayer, Jiří and Šimůnek, Petr},
    year = {2022},
    booktitle = {{International Conference on Algorithms and Architectures for Parallel Processing}},
    publisher = {Springer},
    location = {Copenhagen, Denmark},
    doi = {10.1007/978-3-031-22677-9_27},
    pages = {507--528},
}
 

 @inproceedings{smelko_gpuacceleration_2024,
    title = {{GPU-acceleration of neighborhood-based dimensionality reduction algorithm EmbedSOM}},
    author = {Šmelko, Adam and Kruliš, Martin and Klepl, Jiří},
    year = {2024},
    booktitle = {{16th Workshop on General Purpose Processing Using GPU}},
    publisher = {Association for Computing Machinery},
    location = {Edinburgh, Scotland},
    doi = {10.1145/3649411.3649414},
    isbn = {979-8-4007-1817-5},
    pages = {13--18},
    url = {https://dl.acm.org/doi/10.1145/3649411.3649414},
}