Dr. Eng. Didier El Baz (HDR)

Head and founder of the Distributed Computing and Asynchronism team (CDA)
room: E28
7, avenue du Colonel Roche
31031, Toulouse Cedex 4
tel: 33 5 61 33 63 03
fax: 33 5 61 33 64 11
E-mail address:

Member IEEE, Euromicro.

Co-head of the Laboratory of Information Security of Cyber-physical Systems
Saint-Petersburg National Research University of Information Technologies, Mechanics and Optics
ITMO University
Kronverksky prospect 49, St Petersburg 197101 Russian Federation.
NVIDIA Corporation support, July 2014.
NVIDIA Academic Partnership, October 2010.
H.D.R. INP Toulouse, 1998.
CNRS research scientist (LAAS-CNRS) since 1985.
MIT visiting scientist (INRIA grant): march 1984-february 1985 (LIDS);
   MIT report P-1417 (SIAM J. on Control and Optimization).
   Special Summer Program in Data Communication Networks (MIT, 1984).
Dr. Eng. degree in Control Theory, INSA Toulouse, 1984.
Eng. degree in Electrical Engineering INSA Toulouse, 1981.

Recent projects:

  1. CIFRE funding R.Tech: 2013-2016.
  2. Partner of Project ANR: Smart-Blocks, ANR-2011-BS03-005 (Femto-ST, LAAS-CNRS, LIMMS), 2011 - 2015.
  3. NVIDIA Academic Partnership and Support, Octobre 2010, September 2014.
  4. Coordinator of Project ANR CIS CIP, ANR-07-CIS7-011(EMD, IRIT-ENSEEIHT, LAAS-CNRS, MIS, LIFC), 2008-2011.
  5. Partner of Project ANR PSIROB: Smart-Surface, ANR 06 ROBO 0009 (Femto-ST, InESS, LAAS-CNRS, LIFC, LIMMS). 2007 - 2010.

Organization of research:

  Cofounder of the Working Group Knapsack and Optimization, KSO, of ROADEF.


CERIST, Algiers (Algeria) PHP Tassili, Professor Ahcène Bendjoudi
Project: Algorithms for big graphs on distributed memory architectures,
Application to green city, 2018.

Saint-Petersburg National Research University of Information Technologies, Mechanics and Optics
ITMO University
Russian Federation
Co-head of the Laboratory of Information Security of Cyber-physical Systems, 2017-2018.

University of Science and Technology, Beijing (China) Professor Huansheng Ning. International Collaboration Bilatéral Contrat;
on IOT, cyberphysical systems and distributed systems, December 2, 2013-2018.

University of Nuevo Leon, Monterrey (Mexico), Professor Vincent Boyer, 2007-2018.

University of Picardie (France), Professor Mhand Hifi, Toufik Saadi, 2008-2016.

Femto-st (Montbeliard) : Professor Julien Bourgeois, 2008-2016.

NICTA, University of Sidney (Aus), Professor Guillaume Jourjon, 2010-2011.

I.A.C.S., University of Wuppertal (Ger), Professor Andreas Frommer, 2005-2006.

P.A.R.C., Loughborough University of Technology (G.B.), Professor David J. Evans, 1990-1992.

L.I.D.S., M.I.T. (U.S.A.), Professor Dimitri P. Bertsekas, 1984-1985.

Recent editorial activities:

Steering Committees and Award Comittees:

Program Chairman, General Chairman of Conferences:

Workshops Chairman:



Publications : 

   list of publications,

h index: 19, i10 index: 29, papers quoted 548 times since 2012 (source: Google Scholar), g index 29.
h index Scopus: 15,

Recent Keynote papers

  • PDP 2017, St Petersburg Russia, March 6-8, 2017; Challenges in Computing Accelerators and the Internet of Things.
  • ParCo 2017, Bologne Italy, September 12-15, 2017; High Performance Issues Related to the Internet of Thing and Smart Earth.

Research Activities (selected papers)

  Computer Science    
    Parallel computing, distributed computing
      Parallel algorithms and computing accelerators: GPU and Intel Xeon Phi
         Monte-Carlo numerical simulation: International Journal of Parallel Programming 2017, ScalCom 2016, SASV 2015.
         Scheduling problems: POMCO 2016, IPDPSW PCO 2016.
         Knapsack problems: Advances in GPU Research and Practice 2017, Computers & Operations Research 2012, IPDPS 2013, IPDPS 2012, PDP2012, PDP2011, ROADEF 2010a.
         Neural networks training: IPDPSW PDCO 2017.
         Linear programming: HPCC2011, IPDPSW 2011.
      Peer-to-peer computing and Grid computing
         Boundary value problems: PDP 2018, PDP 2014, IEEE CSE 2012, Grand Colloque STIC2012, IPDPSW 2011, IPDPSW 2011,
           HotP2P 2010, GENI Engineering Conference Duke U. 2010, STIC 2010.
         Optimization: Cologne Twente Workshop 2012, PDP2010, RenPar 2009, Ter@tec 09, PDP 2005.
      Load balancing: PDP 2006, JPDC 2005, Rapport LAAS 04554, PARCO 2001.
      Distributed Computing: IPDPSW PCO 2014 , MECHATRONICS 2012 , iThings 2013, dMEMS 2011.
      Performance Prediction : HPCC 2012, HOTP2P 2011.
      Asynchronous parallel or distributed iterative algorithms, asynchronous iterations with order intervals: HDR 98, slides, PhD thesis.
         Design, mathematical models, convergence study: Comput Appl. Math. 2005MOC 1998, JPDC 1996, PARCO 1993, SIAM J. Numeric. Anal. 1990, SIAM J. Control and Optimization 1987.
         Stopping criteria, distributed convergence detection, termination: JCAM 2008, GEI 2005, INT. MATH. Journ. 2002, JSS 2002, JPDC 1996, PAA 1996, PDCS 1996.
         Round off errors study: I.M.A. Journ Numeric. Anal. 2005, ETNA 2002.
         Implementation:  IBM SP, Cray T3E, SMP, clusters: JPDC 2007, PDP 2007, PDP 2003, PDPTA 2000, Calc. Parall. 1998, PARCO 1997, Calc. Parall. 1996.
     Cyber-physical systems, smart systems: ZTE Communications 2015 , IEEE Cloud Computing 2015 , IIKI 2014 , IPDPSW PCO 2014 , Mechatronics 2012 , dMEMS 2010.
         Keynote ParCo 2017, IOS Press , Workshop AI LAAS, March 7, 2017 ,
  Applied Mathematics
     Discrete Mathematics, Integer programming
       Knapsack problems
          Sequential methods, heuristics, exact methods, constraint rotation.
            Multidimensional knapsack problem: EJIE 2010, EJIE 2009, EJOR 2009 , MOSIM08, ROADEF 2008.
            Knapsack sharing problem: CIE2011, CIE39.
            Multiple knapsack problem: IJMOR2012, ROADEF 2010c.
            Problems with equality constraints: ROADEF 2005.
          Parallel methods: iThings 2013, PDP 2006, JPDC 2005, PARCO 2001.
             Advances in GPU Research and Practice 2017, Computers & Operations Research 2012, IPDPS 2013, IPDPS 2012, PDP2012, PDP2011,
       Scheduling problems
         POMCO 2016, IPDPSW PCO 2016.
     Continuous Mathematics
       Nonlinear optimization
         Network flow problems
            Relaxation methods: SIAM J. Control and Optimization 1987.
            Gradient type methods: JPDC 1996, COAP 1996.
            Newton multi splitting methods: IPDPSW PCO 2015,
            Optimal routing: Parall. Comput. 1992, IFIP SMO 1991.
       Boundary value problems
            Nonlinear diffusion problems: Numer. Alg. 2003, MOC 1998, 8-th Int. Col. Diff. Equ. 1997.
            Convection-diffusion problems: SC09, JPDC 2007, PDP 2003.
            Obstacle problem: IEEE CSE 2012, IPDPSW 2011, HotP2P 2011, HotP2P 2010, Calculateurs Par. 2001.
            Hamilton-Jacobi-Bellman problem: MOC 1998.
       Control theory: JSS 2002.
       Markov systems: NSMC 1999, CDC 1994.

Some Ph.D. students:

L. Zhu, Distributed autonomous robots, 2018.
B. Plazolles, Monte Carlo simulation, GPU Computing, Intel Xeon Phi, 2017
M. E. Lalami: combinatorial optimisation, 2012, GPU computing (thesis)
T. T. Nguyen: P2P HPC computing, 2011, (thesis)
V. Boyer: integer programming, 2007, (thesis).
M. Jarraya:  parallel computing, 2000, (thesis, slides).
D. Gazen: parallel computing, 1998, (thesis).

Teaching activities:

China University of Geosciences Beijing, 16 lectures: Introduction to High Performance Computing, 2017.
University of Sciences and Technology, Beijing China, 16 lectures: Introduction to High Performance Computing, 2015-2017
and 16 lectures: Introduction to Distributed Systems, 2017.
University of Sciences and Technologies Houari Boumediene, Algiers Algéria, lectures: Introduction to Parallel Computing, 2016.
Sichuan University, Chengdu China, 16 lectures: Introduction to High Performance Computing, 2016.




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