Nikolaos D. Kallimanis
Research and Development dept. TeamViewer
email: nkallima (at) gmail.com
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Nikolaos Kallimanis received his PhD in 2013 from the Department of Computer Science and Engineering, University of Ioannina, and he was granted with a fellowship for his PhD studies from the Empirikion foundation (2008-2012). Dr. Kallimanis also holds a BSc degree (2005) and MSc (2008) degree from the same department. For the academic period 2003-2004, he received a fellowship and an award for outstanding performance from State Scholarships Foundation (ΙΚΥ).
He has been involved in several European research projects, such as RED-SEA, European Processor Initiative (EPI), EuroExa, ExaNoDe and EuroServer. His research has focused on concurrency, synchronization, concurrent data-structures, memory allocators, resource allocation, performance evaluation, task scheduling, power performance evaluation, energy efficiency, multi-threaded computing. His research results have been published in prestigious conferences and journals such as ACM SPAA, ACM PPoPP, ACM PODC, etc.
Selected Research Output
Selected Research Output
Eftychia Datsika, Nikolaos D. Kallimanis, "Deep Reinforcement Learning based Uplink Configuration in Multi-RIS assisted MEC network", IEEE Wireless Communications and Networking Conference (WCNC 2025), March 2025.
Nikolaos D. Kallimanis, Eleni Kanellou, Charidimos Kiosterakis and Vasiliki Liagou, "Exploring Trade-offs in Partial Snapshot Implementations", Proceedings of the 25th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS 2023), October 2023. Invited & submitted to Theoretical Computer Science (TCE), special issue of SSS 2023.
Panagiota Fatourou, Nikolaos D. Kallimanis, and Eleftherios Kosmas, “The Performance Power of Software Combining in Persistence”, Proceedings of the Principles and Practice of Parallel Programming (PPoPP 2022), April 2022, https://doi.org/10.1145/3503221.3508426. Best paper award.
Nikolaos D. Kallimanis, “Synch: A framework for concurrent data-structures and benchmarks”, Journal of Open Source Software, vol. 6, no. 64, 2021, https://doi.org/10.21105/joss.03143.
Panagiota Fatourou, Nikolaos D. Kallimanis, and Thomas Ropars, "An Efficient Wait-free Resizable Hash Table", Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures (SPAA 2018), pp. 111-120, Vienna, Austria, 16-18 July, 2018, https://doi.org/10.1145/3210377.3210408.
Nikolaos D. Kallimanis, and Eleni Kanellou, "Wait-free concurrent graph objects with dynamic traversals", 19th International Conference on Principles of Distributed Systems (OPODIS 2015), Rennes, France, 14-17 December, 2016, https://doi.org/10.4230/LIPIcs.OPODIS.2015.27.
Panagiota Fatourou, and Nikolaos D. Kallimanis, "Revisiting the combining synchronization technique", Proceedings of the 17th ACM SIGPLAN symposium on Principles and Practice of Parallel Programming (PPoPP 2012), pp. 257-266, New Orleans, Louisiana, USA, 25-29 February, 2012, https://doi.org/10.1145/2370036.2145849.
Panagiota Fatourou, and Nikolaos D. Kallimanis, "A highly-efficient wait-free universal construction", Proceedings of the 23rd annual ACM symposium on Parallelism in algorithms and architectures (SPAA 2011), pp. 325-334, San Jose, California, USA, June, 2011, https://doi.org/10.1145/1989493.1989549. Invited to Theory of Computing Systems journal as a special issue of SPAA 2011.
A full list of the publications is provided here.
Distinctions and Awards
Distinctions and Awards
25th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS 2023). “Exploring Trade-offs in Partial Snapshot Implementations” (with E. Kanellou, C. Kiosterakis, and V. Liagkou), Invited & submitted to Theoreti-cal Computer Science (TCS), special issue of SSS 2023.
27th ACM SIGPLAN Annual Symposium on Principles and Practice of Parallel Programming (PPoPP 2022). Best paper award for “The Performance Power of Software Combining in Persistence” (with Panagiota Fatourou and Eleftherios Kosmas), 2022.
23rd annual ACM symposium on Parallelism in algorithms and architectures (SPAA 2011). “A highly-efficient wait-free universal construction” (with Panagiota Fatourou) to Theory of Computing Systems journal, Invited to Theory of Computing Systems journal as a special issue of SPAA 2011.
Empirikion foundation, PhD scholarship, 2008-2011, Athens, Greece.
State Scholarships Foundation (ΙΚΥ), Athens, Greece. Best student award (during the 3rd year of studies at the Department of Computer Science, University of Ioannina, Greece) for the academic year 2003-2004.
State Scholarships Foundation (ΙΚΥ), Athens, Greece. Best student scholarship (for outstanding performance during the 3rd year of studies at the Department of Computer Science, University of Ioannina, Greece) for the academic year 2003-2004.
Entered with the 3rd best grade (after participating in the national exams) among the students that entered at the Department of Computer Science, University of Ioannina in 2001.
Open Source Contributions
Open Source Contributions
The Synch framework. Role: Project Maintainer
A library for persistent data-structures. https://github.com/ConcurrentDistributedLab/PersistentCombining. Role: Source contributions
OMPi, a C/OpenMP compiler. Role: Source contributions
Contact
Contact
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