publications

2023

  1. PACT’22
    Breaking the Vendor Lock: Performance Portable Programming through OpenMP as Target Independent Runtime Layer
    Johannes Doerfert, Marc Jasper, Joseph Huber, Khaled Abdelaal, Giorgis Georgakoudis, Thomas Scogland, and Konstantinos Parasyris
    In Proceedings of the International Conference on Parallel Architectures and Compilation Techniques, 2023
    (acceptance 34% 40/118)

2022

  1. CANOPIE-HPC’22
    One Step Closer to Converged Computing: Achieving Scalability with Cloud-Native HPC
    Daniel J. Milroy, Claudia Misale, Giorgis Georgakoudis, Tonia Elengikal, Abhik Sarkar, Maurizio Drocco, Tapasya Patki, Jae-Seung Yeom, Carlos Eduardo Arango Gutierrez, Dong H. Ahn, and Yoonho Park
    In 2022 IEEE/ACM 4th International Workshop on Containers and New Orchestration Paradigms for Isolated Environments in HPC (CANOPIE-HPC), 2022
  2. P3HPC’22
    Piper: Pipelining OpenMP Offloading Execution Through Compiler Optimization For Performance
    Konstantinos Parasyris, Giorgis Georgakoudis, Johannes Doerfert, Ignacio Laguna, and Thomas R.W. Scogland
    In 2022 IEEE/ACM International Workshop on Performance, Portability and Productivity in HPC (P3HPC), 2022
  3. IEEE TC’22
    ARETE: Accurate Error Assessment via Machine Learning-Guided Dynamic-Timing Analysis
    Ioannis Tsiokanos, Styliani Tompazi, Giorgis Georgakoudis, Lev Mukhanov, and Georgios Karakonstantis
    IEEE Transactions on Computers, 2022
  4. IPDPS’22
    Co-Designing an OpenMP GPU Runtime and Optimizations for Near-Zero Overhead Execution
    Johannes Doerfert, Atemn Patel, Joseph Huber, Shilei Tian, Jose M Monsalve Diaz, Barbara Chapman, and Giorgis Georgakoudis
    In 2022 IEEE International Parallel and Distributed Processing Symposium (IPDPS), 2022
    (acceptance 26% 123/474)
  5. IWOMP’22
    Extending OpenMP to Support Automated Function Specialization Across Translation Units
    Giorgis Georgakoudis, Thomas R. W. Scogland, Chunhua Liao, and Bronis R. Supinski
    In OpenMP in a Modern World: From Multi-device Support to Meta Programming, 2022
  6. WACCPD’21
    Extending OpenMP for Machine Learning-Driven Adaptation
    Chunhua Liao, Anjia Wang, Giorgis Georgakoudis, Bronis R. Supinski, Yonghong Yan, David Beckingsale, and Todd Gamblin
    In Accelerator Programming Using Directives, 2022
  7. CGO’22
    Efficient Execution of OpenMP on GPUs
    Joseph Huber, Melanie Cornelius, Giorgis Georgakoudis, Shilei Tian, Jose M Monsalve Diaz, Kuter Dinel, Barbara Chapman, and Johannes Doerfert
    In 2022 IEEE/ACM International Symposium on Code Generation and Optimization (CGO), 2022
    (acceptance 27% 27/99)

2021

  1. CSE’21
    PyOMP: Multithreaded Parallel Programming in Python
    Timothy G. Mattson, Todd A. Anderson, and Giorgis Georgakoudis
    Computing in Science Engineering, 2021
    (JCR IF 2.080)
  2. SC21
    HPAC: Evaluating Approximate Computing Techniques on HPC OpenMP Applications
    Konstantinos Parasyris, Giorgis Georgakoudis, Harshitha Menon, James Diffenderfer, Ignacio Laguna, Daniel Osei-Kuffuor, and Markus Schordan
    In Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis, 2021
    Best reproducibility award (acceptance 25.8% 98/379)
  3. IWOMP’21
    A Case Study of LLVM-Based Analysis for Optimizing SIMD Code Generation
    Joseph Huber, Weile Wei, Giorgis Georgakoudis, Johannes Doerfert, and Oscar Hernandez
    In OpenMP: Enabling Massive Node-Level Parallelism, 2021
    Best paper award
  4. ICPPW’21
    Towards Compile-Time-Reducing Compiler Optimization Selection via Machine Learning
    Tarindu Jayatilaka, Hideto Ueno, Giorgis Georgakoudis, EunJung Park, and Johannes Doerfert
    In 50th International Conference on Parallel Processing Workshop, 2021
  5. ISC’21
    Artemis: Automatic Runtime Tuning Of Parallel Execution Parameters Using Machine Learning
    Chad Wood, Giorgis Georgakoudis, David Beckingsale, David Poliakoff, Alfredo Gimenez, Kevin Huck, Allen Malony, and Todd Gamblin
    In High Performance Computing: 36th International Conference, ISC High Performance 2021, Virtual Event, June 24 – July 2, 2021, Proceedings, 2021
    (acceptance 32.4% 24/74)
  6. DSN’21
    Examining Failures and Repairs on Supercomputers with Multi-GPU Compute Nodes
    Amir Taherin, Tirthak Patel, Giorgis Georgakoudis, Ignacio Laguna, and Devesh Tiwari
    In 2021 51st Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN), 2021
    (acceptance 16.3% 48/295)
  7. CCGrid’21
    Co-Designing Multi-Level Checkpoint Restart for MPI Applications
    Konstantinos Parasyris, Giorgis Georgakoudis, Leonardo Bautista-Gomez, and Ignacio Laguna
    In 2021 IEEE/ACM 21st International Symposium on Cluster, Cloud and Internet Computing (CCGrid), 2021
    (acceptance 26% 60/230)

2020

  1. SC’20
    OMPRacer: A Scalable and Precise Static Race Detector for OpenMP Programs
    Bradley Swain, Yanze Li, Peiming Liu, Ignacio Laguna, Giorgis Georgakoudis, and Jeff Huang
    In Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis, 2020
    (acceptance 25% 95/378)
  2. IISWC’20
    HPC-MixPBench: An HPC Benchmark Suite for Mixed-Precision Analysis
    K. Parasyris, I. Laguna, H. Menon, M. Schordan, D. Osei-Kuffuor, G. Georgakoudis, M. O. Lam, and T. Vanderbruggen
    In 2020 IEEE International Symposium on Workload Characterization (IISWC), 2020
    (acceptance 37% 26/70)
  3. IISWC’20
    MATCH: An MPI Fault Tolerance Benchmark Suite
    L. Guo, G. Georgakoudis, K. Parasyris, I. Laguna, and D. Li
    In 2020 IEEE International Symposium on Workload Characterization (IISWC), 2020
    (acceptance 37% 26/70)
  4. IWOMP 2020
    FAROS: A Framework to Analyze OpenMP Compilation Through Benchmarking and Compiler Optimization Analysis
    Giorgis Georgakoudis, Johannes Doerfert, Ignacio Laguna, and Thomas R. W. Scogland
    In OpenMP: Portable Multi-Level Parallelism on Modern Systems, 2020
    Best paper award
  5. ISC’20
    Reinit++: Evaluating the Performance of Global-Restart Recovery Methods for MPI Fault Tolerance
    Giorgis Georgakoudis, Luanzheng Guo, and Ignacio Laguna
    In High Performance Computing, 2020
    (acceptance 31% 27/87)
  6. DATE’20
    DEFCON: Generating and Detecting Failure-prone Instruction Sequences via Stochastic Search
    I. Tsiokanos, L. Mukhanov, G. Georgakoudis, D. S. Nikolopoulos, and G. Karakonstantis
    In 2020 Design, Automation Test in Europe Conference Exhibition (DATE), 2020
    Best paper award, (acceptance 26% 194/748)

2019

  1. HiPC’19
    Evaluating the Impact of Energy Efficient Networks on HPC Workloads
    G. Georgakoudis, N. Jain, T. Ono, K. Inoue, S. Miwa, and A. Bhatele
    In 2019 IEEE 26th International Conference on High Performance Computing, Data, and Analytics (HiPC), 2019
    (acceptance 23% 39/171)
  2. IPDPS’19
    SAFIRE: Scalable and Accurate Fault Injection for Parallel Multithreaded Applications
    Giorgis Georgakoudis, Ignacio Laguna, Hans Vandierendonck, Dimitrios S. Nikolopoulos, and Martin Schulz
    In 2019 IEEE International Parallel and Distributed Processing Symposium (IPDPS), May 2019
    (acceptance 28% 103/372)

2018

  1. IJHPCA’18
    DARE: Data-Access Aware Refresh via spatial-temporal application resilience on commodity servers
    Charalampos Chalios, Giorgis Georgakoudis, Konstantinos Tovletoglou, George Karakonstantis, Hans Vandierendonck, and Dimitrios S Nikolopoulos
    The International Journal of High Performance Computing Applications, May 2018
    (JCR IF 1.956)

2017

  1. TACO’17
    SCALO: Scalability-Aware Parallelism Orchestration for Multi-Threaded Workloads
    Giorgis Georgakoudis, Hans Vandierendonck, Peter Thoman, Bronis R. De Supinski, Thomas Fahringer, and Dimitrios S. Nikolopoulos
    ACM Trans. Archit. Code Optim., Dec 2017
    (JCR IF 1.166)
  2. SC17
    REFINE: Realistic Fault Injection via Compiler-based Instrumentation for Accuracy, Portability and Speed
    Giorgis Georgakoudis, Ignacio Laguna, Dimitrios S. Nikolopoulos, and Martin Schulz
    In Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis, Dec 2017
    (acceptance 19% 61/327)
  3. IEEE TMCS’17
    NanoStreams: A Microserver Architecture for Real-time Analytics on Fast Data Streams
    U. I. Minhas, M. Russell, S. Kaloutsakis, P. Barber, R. Woods, G. Georgakoudis, C. Gillan, D. S. Nikolopoulos, and A. Bilas
    IEEE Transactions on Multi-Scale Computing Systems, 2017

2016

  1. SAMOS’16
    NanoStreams: Codesigned microservers for edge analytics in real time
    G. Georgakoudis, C. Gillan, A. Hassan, U. I. Minhas, I. Spence, G. Tzenakis, H. Vandierendonck, R. Woods, D. S. Nikolopoulos, M. Shyamsundar, P. Barber, M. Russell, A. Bilas, S. Kaloutsakis, H. Giefers, P. Staar, C. Bekas, N. Horlock, R. Faloon, and C. Pattison
    In 2016 International Conference on Embedded Computer Systems: Architectures, Modeling and Simulation (SAMOS), Jul 2016
    (acceptance 48% 25/52)
  2. ARCS’16
    Low-Cost Hardware Infrastructure for Runtime Thread Level Energy Accounting
    M. Marcu, O. Boncalo, M. Ghenea, A. Amaricai, J. Weinstock, R. Leupers, Z. Wang, G. Georgakoudis, D. S. Nikolopoulos, C. Cernazanu-Glavan, L. Bara, and M. Ionascu
    In Architecture of Computing Systems – ARCS 2016: 29th International Conference, Nuremberg, Germany, April 4–7, 2016, Proceedings, Jul 2016
    (acceptance 33% 29/87)
  3. CCPE’16
    Methods and metrics for fair server assessment under real-time financial workloads
    G. Georgakoudis, C. J. Gillan, A. Sayed, I. Spence, R. Faloon, and D. S. Nikolopoulos
    Concurrency and Computation: Practice and Experience, Jul 2016
    (JCR IF 1.167)

2015

  1. IWOMP 2015
    Application-Level Energy Awareness for OpenMP
    F. Alessi, P. Thoman, G. Georgakoudis, T. Fahringer, and D. S. Nikolopoulos
    In OpenMP: Heterogenous Execution and Data Movements: 11th International Workshop on OpenMP, IWOMP 2015, Aachen, Germany, October 1-2, 2015, Proceedings, Jul 2015
  2. PPL’15
    Iso-Quality of Service: Fairly Ranking Servers for Real-Time Data Analytics
    G. Georgakoudis, Charles Gillan, Ahmed Sayed, Ivor Spence, Richard Faloon, and Dimitrios S. Nikolopoulos
    Parallel Processing Letters, Jul 2015

2014

  1. WHPCF’14 (SC14)
    On the Viability of Microservers for Financial Analytics
    C. J. Gillan, D. S. Nikolopoulos, G. Georgakoudis, R. Faloon, G. Tzenakis, and I. Spence
    In High Performance Computational Finance (WHPCF), 2014 Seventh Workshop on, Nov 2014
  2. SAMOS’14
    Fast Dynamic Binary Rewriting for flexible thread migration on shared-ISA heterogeneous MPSoCs
    G. Georgakoudis, D. S. Nikolopoulos, H. Vandierendonck, and S. Lalis
    In Embedded Computer Systems: Architectures, Modeling, and Simulation (SAMOS XIV), 2014 International Conference on, Jul 2014
    (acceptance: 40% 37/92)

2013

  1. COSMIC’13
    Fast Dynamic Binary Rewriting to Support Thread Migration in shared-ISA Asymmetric Multicores
    G. Georgakoudis, D. S. Nikolopoulos, and S. Lalis
    In Proceedings of the First International Workshop on Code OptimiSation for MultI and Many Cores (CGO), Jul 2013
    Best paper award

2012

  1. HPDC’12 (Poster)
    Summary: Dynamic Binary Rewriting and Migration for shared-ISA Asymmetric, Multicore Processors
    G. Georgakoudis, S. Lalis, and D. S. Nikolopoulos
    In Proceedings of the 21st International Symposium on High-Performance Parallel and Distributed Computing, Jul 2012
  2. S-CUBE’12
    Middleware Mechanisms for Agent Mobility in Wireless Sensor and Actuator Networks
    N. Tziritas, G. Georgakoudis, S. Lalis, T. Paczesny, J. Domaszewicz, P. Lampsas, and T. Loukopoulos
    In Sensor Systems and Software, Jul 2012

2009

  1. SECON’09
    Development Tools for Opportunistic Pervasive Computing
    J. Domaszewicz, A. Pruszkowski, P. Cieslak, T. Paczesny, M. Roj, S. Lalis, G. Georgakoudis, and M. Koutsoubelias
    In Sensor, Mesh and Ad Hoc Communications and Networks Workshops, 2009. SECON Workshops ’09. 6th Annual IEEE Communications Society Conference on, Jun 2009