PANAGIOTIS E. HADJIDOUKAS

Associate Professor
Computer Engineering and Informatics Department
University of Patras

• Parallel Processing 
• Principles of Programming Languages and Compilers

Research Interests

• Parallel and distributed computing 
• Runtime support for parallel programming models 
• Thread and system libraries 
• Application parallelization 
• Operating systems 

Researcher unique identifiers:

• ORCID: http://orcid.org/0000-0002-2528-7568
• Google Scholar: http://scholar.google.ch/citations?user=rWIwygQAAAAJ
• Github: https://github.com/phadjido

Education

• 2003: Doctor of Philosophy in Computer Science and Engineering
  Computer Engineering and Informatics Department, University of Patras, Greece
  Dissertation: "Runtime Support for Shared Memory and Message Passing Programming Models on Clusters of Multiprocessors"
  Advisor: T.S. Papatheodorou
  Co-advisor: E. D. Polychronopoulos
• 2001: Master of Science in Computer Science and Engineering
  Computer Engineering and Informatics Department, University of Patras, Greece
  Dissertation: "Extending Windows Fibers for Efficient Multiprogramming on Win32 Platforms"
• 1998: Diploma in Computer Engineering and Informatics
  Computer Engineering and Informatics Department, University of Patras, Greece
  Dissertation: "Implementation of a User-Level CPU Manager in Linux"

Prior Positions

• 2018 - 2021: Researcher / Visiting Scientist
  IBM Research, Zurich
• 2012 - 2018: Senior Assistant / Lecturer (since 2015), Postdoctoral Researcher (2012-2014)
  Chair of Computational Science, D-MAVT, ETH Zurich, Switzerland
• 2006 – 2012: Adjunct Assistant Professor
  Dept. of Computer Science and Engineering, University of Ioannina, Greece
• 2011 – 2012: Adjunct Assistant Professor (part time)
  Computer Engineering and Informatics Dept., University of Patras, Greece
• 2006 – 2012: Adjunct Assistant Professor (part time)
  Dept. of Computer Engineering, Technological Educational Institute of Epirus, Greece
• 2004 – 2005: Postdoctoral Researcher
  IRISA-INRIA, Rennes, France
• 2001 – 2002: Software Engineer and Developer
  Daedalus Networks Ltd, Patras, Greece (acquired by Bytemobile / Citrix Systems)
• 1998 - 2003: Research Assistant
  High Performance Information Systems Laboratory, University of Patras, Greece

Publications and Software

System Software and Tools for High-Performance Computing

• "Nested Parallelism in the OMPi OpenMP/C Compiler". Euro-Par 2007: 662-671
  Software: http://www.cs.uoi.gr/~ompi/
• "A Runtime Library for Platform-Independent Task Parallelism". PDP 2012: 229-236
  Software: http://github.com/phadjido/torc_lite
• "torcpy: Supporting Task Parallelism in Python". SoftwareX 12, 100517
  Software: http://github.com/ibm/torc_py

Numerical Optimization and Differentiation, Uncertainty Quantification

• "NDL v2.0: A new version of the numerical differentiation library exploiting parallel architectures". Computer Physics Communications, 185(7): 2217-2219 (2014)
  Software: http://cpc.cs.qub.ac.uk/summaries/AEDG_v2_0.html
• "Π4U: Bayesian Computational Tools for Uncertainty Quantification and Reliability of Complex Models", Journal of Computational Physics, 284:1-21 (2015)
  Software: http://github.com/cselab/pi4u
• "p-MEMPSODE: Parallel and irregular memetic global optimization", Computer Physics Communications, 197: 190-211 (2015)
  Software: http://cpc.cs.qub.ac.uk/summaries/AEXJ_v1_0.html

Extreme Scale Simulations

• "11 PFLOP/s simulations of cloud cavitation collapse”. SC 2013: 3 (2013) 
• ACM Gordon Bell Prize Winner
  Software: https://github.com/cselab/CUBISM-MPCF
• "The in-silico lab-on-a-chip: petascale and high-throughput simulations of microfluidics at cell resolution",  SC 2015: 2 (2015)
• ACM Gordon Bell Prize Finalist
  Software: https://github.com/uDeviceX/uDeviceX

HPC Simulations and Benchmarks

• "Porting optimized HPCG 3.1 for IBM BG/Q to IBM POWER9", BOF at SC18
  Software: https://github.com/IBM/HPCG
• "A microbenchmark study of OpenMP overheads under nested parallelism", IWOMP 2008: 1-12 (2008)
  Software: not publicly available
• "TendonMech: An open source high performance code to compute the mechanical behavior of tendon fascicles". Software X 9:324-227 (2018)
  Software: https://github.com/ElsevierSoftwareX/SOFTX_2018_257
• "Parallelization of a Monte Carlo particle transport simulation code". Computer Physics Communications 181(5): 928-936 (2010)
  Software: not publicly available
• "More green and less blue water in the Alps during warmer summers". Nature Climate Change 10: 155-161 (2020)
  Software: not publicly available

Data Mining and Compression, Computer Vision

• "A Parallel Data Compression Framework for Large Scale 3D Scientific Data", arXiv preprint arXiv:1903.07761
  Software: https://github.com/phadjido/CubismZ
• "Nested OpenMP Parallelization of a Hierarchical Data Clustering Algorithm". Parallel Processing Letters 20(2): 187-208 (2010)
  Software: not publicly available
• “A high-performance face detection system". Concurrency and Computation: Practice and Experience, 21(15): 1819-1837 (2009)
  Software: not publicly available

Windows Programming

• "A Device Driver for W2K Signals". Dr. Dobb's Journal (Windows Developer Magazine) 12(8) (2001)
  Available at: http://www.drdobbs.com/a-device-driver-for-w2k-signals/184416344
• 2 articles and 1 Tip/Trick on Threads at the Code Project
  http://www.codeproject.com/Members/xdoukas

Teaching (past)

• 2016 – 2018:  Lecturer, ETH Zurich
  - "High Performance Computing for Science and Engineering (I and II)" (co-teaching)
  - "Computational Science Seminar" (co-teaching)
  - "Uncertainty Quantification and Data Analysis in Applied Sciences" (co-teaching)
• 2012 – 2015: Teaching Assistant, ETH Zurich
  - "High Performance Computing for Science and Engineering" (Head TA in 2014 & 2015)
  - "Computational Engineering"
• 2006 – 2012: Adjunct Assistant Professor, University of Ioannina, Greece
  - "Programming of High Perfomance Systems"
  - "Operating Systems II"
  - "Introduction to Programming" (co-teaching)
  - "Programming in C" (co-teaching)
  - "Operating Systems" (co-teaching)
  - "Integrated Digital Design" (co-teaching)
• 2011 – 2012: Adjunct Assistant Professor, University of Patras, Greece
  - "Software & Programming of High Perfomance Systems"
• 2006 – 2012: Adjunct Assistant Professor, Technological Educational Institute of Epirus, Greece
  - "Operating Systems"
  - "Distributed and Parallel Systems"
• 1998 – 2003: Teaching Assistant, University of Patras, Greece
  - "Introduction to Algorithms"
  - "Parallel Processing"
  - "High Performance Computing and Software"
  - "Numerical Methods for Differential Equations"

• E-Mail: phadjido at ceid.upatras.gr 

Last update: 10/05/2022