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Wissam M. Sid-Lakhdar

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Wissam M. Sid-Lakhdar
Postdoctoral Fellow
Computational Research Division
Phone: 510-486-5283
Lawrence Berkeley National Laboratory
1 Cyclotron Road
Mailstop 50A-3111
Berkeley, California 94720 US

Wissam M. Sid-Lakhdar is a postdoctoral fellow in the Scalable Solvers Group of the Computational Research Division at Lawrence Berkeley National Laboratory (LBL). He is currently working on the development of autotunning algorithms supported by the Exascale Computing Project (ECP). Before joining LBL, he was a postdoctoral fellow in the PARASOL laboratory in the Computer Science and Engineering Department of Texas A&M University.  He was then working on autotunned batched QR factorization kernels on GPUs.

Research Interests

  • Sparse Linear Algebra: Multifrontal LU and QR factorizations, Low-Rank approximations, Sparse Direct Eigenvalue solvers
  • High Performance Computing: Autotunning, asynchronism, large-scale parallel computing, GPU computing


  • Ph.D., Computer Science, ENS de Lyon, France
  • M.S. Applied Mathematics and Computer Science, ENSEEIHT de Toulouse, France
  • M.S. Computer Science, Universite Paul Sabatier de Toulouse, France