International Conference On Preconditioning Techniques For Scientific And Industrial Applications

May 16-18, 2011
Bordeaux, France

May 16th
8:30-9:00 Registration and welcome
9:00-9:15 Opening : Yousef Saad
Invited Talk -  Chair : Yousef  Saad  

Cleve Ashcraft
Iterative Solvers in Industry : A Case Study

10:05-10:25 Coffee Break
10:25-11:15 Invited Talk - Chair : Pascal Hénon  

Raymond Namyst
Programming heterogeneous, accelerator-based multicore machines:
current situation and main challenges

11:20-12:20 Contributed Talks

Session 1 -  Chair  :  Cleve Ashcraft

Wim Vanroose , Bram Reps and Hisham bin Zubair
Multigrid preconditioners based on polynomial smoothers for the Helmholtz equation with absorbing layers

Vincent Heuveline, Dimitar Lukarski and Jan-philipp Weiss
Fine-grained Parallel ILU Preconditioners with Fill-ins for Multi-core CPUs and GPUs

Session 2  -  Chair : Emmanuel Agullo

Maxime Hugues and Serge Petiton
Optimized Sparse Matrix Formats on GT200 and Fermi GPUs

Cornelis Vuik , Rohit Gupta and Kees Lemmens
A fast GPU Implementation of the Deflated Preconditioned Conjugate Gradient method

12:20-14:00 Lunch  
14:00-14:50 Invited Talk - Chair : Wei-Pai Tang

Andy Wathen
How to choose a nonsymmetric preconditioner
14:55-16:30 Contributed Talks  
  Session 3   - Chair : Abdou Guermouche  
  Patrick Amestoy , Cleve Ashcraft, Olivier Boiteau, Alfredo Buttari, Jean-Yves L'Excellent and Clement Weisbecker
Grouping variables in Frontal Matrices to improve Low-Rank Approximations in a Multifrontal Solver

  Nick Vannieuwenhoven and Karl Meerbergen
An incomplete multifrontal method for element-structured linear systems
  Murat Mangolu, Madan Sathe, Olaf Schenk and Ahmed Sameh
A Scalable Parallel Preconditioned Sparse Linear System Solver
  Session 4   - Chair : Laura Grigori
  C. Calgaro, J.-P. Chehab and Y. Saad
Incremental Incomplete LU factorizations with applications to time-dependent PDEs
  Klaus Neymeyr
A geometric convergence theory of the preconditioned steepest descent iteration
  Mikko Byckling
Numerical experiments on a Factored Approximate Inverse Preconditioner
16:30-17:00 Coffee Break  
17:00-18:00 Contributed Talks  
  Session 5  - Chair : Andrew Wathen
  Paulien van Slingerland and Kees Vuik
Exploiting the Nested Block Structure of DG Matrices: a Block ILU Preconditioner with Deflation and a Spectral Two-Level Strategy
  Michel Kern and Abdelaziz Taakili
Block Preconditioning for a Coupled Model of Transport with Sorption in Porous Media
  Session 6 - Chair : Jean-Jacques Pesqué  
  Dmitry Neklyudov, Vladimir Tcheverda and Ilya Silvestrov
A Helmholtz Iterative Solver with No Use of Finite-Difference
  Nico Schlomer and Wim Vanroose
Preconditioning the Jacobian system of the extreme type-II Ginzburg-Landau problem
May 17th

9:00-9:50  Invited Talk     - Chair : Catherine E. Powell  

Robert Scheichl
Multilevel Simulation under Uncertainty and Heterogeneity

9:50-10:30 Group photo & Coffee Break  
10:30-12:00 Contributed talks
  Session 7       - Chair : Luc Giraud  

Julien Maes
Solving the Linear Equation in Reservoir Simulation

Laura Grigori and Frederic Nataf
Generalized Filtering Decomposition

Victorita Dolean, Frederic Nataf, Robert Scheichl and Hua Xiang
Two-level Schwarz methods with coarse spaces based on Dirichlet--to--Neumann maps

Session 8       - Chair : Iain Duff
  Achim Basermann and Hans-Peter Kersken
Scalable Distributed Schur Complement Methods for CFD Simulation on Many-Core Architectures

Gwenol Grandperrin, Alfio Quarteroni and Simone Deparis
Scalable Preconditioners for Transient Navier-Stokes Equations in Hemodynamics Simulations

Xavier Vasseur, Serge Gratton and Xavier Pinel
A Multigrid Method for the Solution of Linear Systems with Multiple Right-Hand Sides

12:00-14:00 Lunch  
14:00-14:50 Invited Talk    - Chair : Esmond Ng  

Felix Kwok
What makes block Jacobi slow to converge, and how low-rank
changes can help
Contributed talks
  Session 9       - Chair : Jean-Yves L'Excellent
  Jennifer Scott and Miroslav Tuma
A novel approach to level-based preconditioning
  Kamer Kaya and Iain S. Duff
Preconditioners based on Strong Components
  Mohamed Zenadi, Tony Drummond, Iain S. Duff , Ronan Guivarch and Daniel Ruiz
Partitioning Strategies for the Block Cimmino algorithm
  Session 10    - Chair : Pierre Ramet
  Rafael Bru, Natalia Malla and Jose Marin
A Block ILU Preconditioner for Computational Electromagnetics Applications
  Eloy Romero, Christoph Kowitz, Jose Enrique Roman, Florian Merz and Frank Jenko
Preconditioning Eigensolvers for Computing Unstable Modes of Plasma
  Cleve Ashcraft and Pierre L'Eplattenier
Comparing multisection and recursive bisection in low-rank representations of BEM matrices from electromechanics
16:30-17:00 Coffee Break  
17:00-18:00 Contributed Talks  
  Session 11   - Chair :  Robert Scheichl
  Alfredo Buttari, Simone Gentile, Pasqua D'Ambra, Daniela Di Serafino , Salvatore Filippone and Bora Uçar
A Novel Aggregation Method based on Graph Matching for Algebraic MultiGrid Preconditioning of Sparse Linear Systems

  Jeremie Gaidamour, Jonathan J. Hu, Christopher M. Siefert and Raymond S. Tuminaro
Algebraic Multigrid using Energy-Minimization: a general framework to develop intergrid transfer operator
  Session 12    - Chair : Michele Benzi
  Ivana Pultarova
Error estimates based on equilibrated residual for domain decomposition methods
  James Nagy
Structured Preconditioners in Adaptive Optics Imaging
20:00-22:00 Banquet : Café du Port   1 quai Deschamps Bordeaux. Tram station : Stalingrad  
May 18th
9:00-10:30 Contributed talks
  Session 13    - Chair : Xavier Vasseur  

Michele Benzi
New block preconditioners for saddle point problems

Seiji Fujino, Takashi Sekimoto and Yusuke Onoue
A Proposal of Residual Reduction method with preconditioning based on IDR Theorem

Alexander I. Fedoseyev and Oleg A. Bessonov
Efficiency analysis and parallelization of the CNSPACK implementation of a preconditioned CGS solver for modern multicore computer systems

Session 14   - Chair : François Pellegrini

Thomas Guignon, M. Hacene and J.M. Gratien
GPU linear solver for porous media flow simulation

Toshihiro Nitta, Toshiyuki Kohno and Hiroshi Niki
The PSOR-like preconditioner for CGS method

Kent-Andre Mardal and Bjorn Fredrik Nielsen
Efficient preconditioning of optimality systems

Coffee Break
11:00-11:50 Invited Talk   - Chair : Jean Roman

Catherine E. Powell
Preconditioning Stochastic Saddle-point Problems

11:50-12:10 Closing

12:10-13:30 Lunch