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Dr. Didier El Baz (HDR 1998)

Head and founder of the Distributed Computing and Asynchronism team (CDA)
LAAS-CNRS
room: E28
7, avenue du Colonel Roche
31077, Toulouse Cedex 4
France
tel: 33 5 61 33 63 03
fax: 33 5 61 33 64 11
E-mail address: elbaz@laas.fr

CNRS research scientist (LAAS-CNRS) since 1985.
Visiting scientist MIT (INRIA grant): march 1984-february 1985 (LIDS);
   MIT report P-1417 (SIAM J. on Control and Optimization 1987).
   Special Summer Program in Data Communication Networks (MIT, 1984).
Récipiendaire du NVIDIA Academic Partnership, Octobre 2010.
Member of the Steering Committee of PDP since 2003.
Member IEEE, Euromicro, ROADEF.
H.D.R. INP Toulouse, 1998.
Dr. Eng. degree in Control Theory, 1984.
Eng. degree in Electrical Engineering 1981.

Recent projects:

  1. Coordinator of Project ANR CIS CIP, (EMD, IRIT-ENSEEIHT, LAAS-CNRS, MIS, LIFC).
  2. Partner of Project ANR: Smart-Blocks (Femto-ST, LAAS-CNRS, LIMMS).
  3. Partner of Project ANR PSIROB: Smart-Surface (Femto-ST, InESS, LAAS-CNRS, LIFC, LIMMS).
  4. NVIDIA Academic Partner, Octobre 2010.

Recent editorial activities:


    Conferences:

    Program Chairman of Special Session on GPU Computing and Hybrid Computing in conjunction with PDP 2013, Belfast, Northern Ireland, February-March 2013,
    Program Vice-Chair for the topic Distributed and Parallel Computing of the 15th IEEE International Conference on Computational Science and Engineering, Nicosia, Cyprus, October 2012
    Workshop Chairman of IEEE Conference iThings 2012,
    Besançon, France, 2012
    Program Chairman
    of Workshop PCO'12, Parallel Computing and Optimization, in conjunction with IEEE Symposium IPDPS, Shanghai, China, 2012.
    Founder and Program Chairman of Special Session on GPU Computing and Hybrid Computing in conjunction with PDP 2012, Garching - Munich, Germany 2012,
    Founder and Program Chairman of Workshop PCO'11, Parallel Computing and Optimization, in conjunction with IEEE Symposium IPDPS, Anchorage, USA, 2011.
    Chairman of Workshop on Hot Topics in Peer-to-Peer Systems, in conjunction with IEEE Symposium IPDPS, Atlanta, USA, 2010.
    Program Chairman of special session Méthodes Parallèles ou Distribuées pour la Programmation Entière, ROADEF 2010, Toulouse, 2010.
    Program Chairman of International Workshop MSOP2P in conjunction with PDP2010, Pisa, Italy, 2010.
    Program Chairman of Special Session: Integer Programming and Industrial Applications, International Conference CIE 39, Troyes 2009.
    Program Chairman of the 17th International Conference PDP-2009 in Weimar, Germany.
    Program Chairman and Organizing Chairman of the 16th International Conference PDP-2008 in Toulouse.

    Journals:

    Multi-threads, R éseaux et Systèmes Répartis, Calculateurs Parallèles, Vol. 10 n. 3, 1998.
    Méthodes itératives de décomposition de domaines et communications en calcul parallèle, Réseaux et Systèmes Répartis, Calculateurs Parallèles, Vol. 10 n. 4, 1998.

     

    Organization of research:


      Cofounder of the Working Group Knapsack and Optimization, KS0, of GDR RO.

    Collaborations:

      L.I.D.S., M.I.T. (U.S.A.), Dimitri P. Bertsekas.
      P.A.R.C., Loughborough University of Technology (G.B.), David J. Evans.
      I.A.C.S., University of Wuppertal (Ger), Andreas Frommer.
      NICTA, University of Sidney (Aus), Guillaume Jourjon.
      University of Picardie (France), Mhand Hifi, Toufik Saadi.
      Femto-st (Montbeliard) : Julien Bourgeois.

    Publications : 

       list of publications, papers quoted 428 times, g index 18, h index 10, i10 index 10 (source: Google Scholar).

    Research Activities (selected papers)

      Computer Science    
        Parallel computing, distributed computing
          Peer to peer computing: (Grand Colloque STIC2012, IPDPSW 2011, IPDPSW 2011, HotP2P 2010, PDP2010, GENI Engineering Conference Duke U. 2010, STIC 2010, RenPar 2009, Ter@tec 09, PDP 2005).
          GPU computing: (COMPUTERS & Operations Research 2012, PDP2012, HPCC2011, PDP2011, IPDPSW 2011, ROADEF 2010a , ROADEF 2010b).
          Load balancing: (PDP 2006, JPDC 2005, Rapport LAAS 04554, PARCO 2001).
          Distributed Computing (MECHATRONICS, dMEMS 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. J. 2002, JSS 2002, JPDC 1996, PAA 1996,
                Int. Conf. On Parall. And Distrib. Comput. Syst. 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).
         
      Applied Mathematics and Optimal Control
         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 (CIE2010, CIE39).
                Multiple knapsack problem (IJMOR2012, ROADEF 2010c).
                Problems with equality constraints: (ROADEF 2005).
              Parallel methods (PDP 2006, JPDC 2005, PARCO 2001).          
         Nonlinear optimization
           Network flow problems
              Relaxation methods: (SIAM J. Control and Optimization 1987).
              Gradient type methods: (JPDC 1996, COAP 1996).
              Newton multi splitting methods: (LAAS report 03234).
              Optimal routing: (Parall. Comput. 1992, IFIP SMO 1991).
         Control theory: (JSS 2002).
         Boundary value problems
              Nonlinear diffusion problems: (Numer. Alg. 2003, MOC 1998, 8-th Int. Col. Diff. Equ. 1997).
              Convection-diffusion problems: (SC09, PDP 2003).
              Obstacle problem: (HotP2P 2010, Calculateurs Par. 2001).
              Hamilton-Jacobi-Bellman problem: (MOC 1998).
         Markov systems: (NSMC 1999, CDC 1994).
         State acquisition and pattern recognition: (Mechatronics, dMEMS 2010).

    Some Ph.D. students:

    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).