Program

Week Tue. 07 Wed. 08 Thu. 09 Fri. 10 List

	Tue. 07	Wed. 08	Thu. 09	Fri. 10
08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00	Theo Mary's habilitation defense 14:00 - 17:30 (3h30) Theo Mary's habilitation defense Workshop cocktail reception 17:30 - 19:00 (1h30) Workshop cocktail reception	Welcome coffee 8:00 - 8:30 (30min) Welcome coffee Opening remarks 8:30 - 8:40 (10min) Opening remarks Session 1 8:40 - 10:20 (1h40) Session 1 Chair: Valeria Simoncini › Avoiding breakdown in incomplete factorizations in low precision arithmetic - Jennifer Scott, STFC-Rutherford Appleton Laboratory 08:40-09:00 (20min) › Mixed precision strategies for preconditioned GMRES - Bastien Vieublé, Chinese Academy of Sciences 09:00-09:20 (20min) › The numerical stability of sketched GMRES - Liam Burke, Charles University 09:20-09:40 (20min) › On the numerical stability of the preconditioned conjugate gradient algorithm using mixed precision - Thomas Bake, Charles University 09:40-10:00 (20min) › Mixed precision augmented GMRES - Yongseok Jang, LIP6 10:00-10:20 (20min) Coffee break 10:20 - 11:00 (40min) Coffee break Session 2 11:00 - 12:20 (1h20) Session 2 Chair: Jean-Michel Muller › Is Mixed Precision Computing really the Top Priority? - Hartwig Anzt, Technical University of Munich 11:00-11:20 (20min) › Emulating High-precision Matrix Operations on Low-precision Matrix Engines - Rio Yokota, Institute of Science Tokyo 11:20-11:40 (20min) › Computing Floating-Point Matrix Products via Low-Precision Integer Arithmetic - Massimiliano Fasi, University of Leeds 11:40-12:00 (20min) › How Tensor Core-Accelerated Mixed-Precision Computing and Floating-Point Emulation Can Improve Linear Algebra Performance and Energy Efficiency - Harun Bayraktar, NVIDIA 12:00-12:20 (20min) Lunch 12:20 - 14:00 (1h40) Lunch Session 3 14:00 - 15:40 (1h40) Session 3 Chair: Paolo Bientinesi › A practical, fully parallel implementation of the (H-)Tucker decomposition via randomization - Martina Iannacito, Università di Bologna 14:00-14:20 (20min) › Recent advances in mixed-precision low-rank tensor approximations - Eda Oktay, Max Planck Institute for Dynamics of Complex Technical Systems 14:20-14:40 (20min) › TT-FEAST: A High-Dimensional Eigenvalue Solver using Contour Integration and Tensor Train format - Mohammad Issa, CEA LIST 14:40-15:00 (20min) › Error Controlled Compression of Scientific Data with Low-Rank Approximations - George Turkiyyah, KAUST 15:00-15:20 (20min) › Floating Point Compression for H-Matrices - Clément Peaucelle, Airbus 15:20-15:40 (20min) Coffee break 15:40 - 16:20 (40min) Coffee break Session 4 16:20 - 18:00 (1h40) Session 4 Chair: Hartwig Anzt › Surrogate techniques for matrix-free sparse linear solvers - Ulrich Rüde, CERFACS, VSB-Technical University of Ostrava, FAU Erlangen-Nürnberg 16:20-16:40 (20min) › Multigrid with Linear Storage Complexity - Daniel Bauer, Friedrich-Alexander-Universität Erlangen-Nürnberg 16:40-17:00 (20min) › Mixed precision multigrid V-cycle method - Petr Vacek, IFPEN 17:00-17:20 (20min) › Mixed Precision Domain Decomposition Preconditioners: Perturbation Analysis and Practical Guidelines - Tom Caruso, LJLL 17:20-17:40 (20min) › Two-level asynchronous substructuring domain decomposition solvers - Frédéric Magoulès, CentraleSupéléc 17:40-18:00 (20min)	Welcome coffee 8:00 - 8:30 (30min) Welcome coffee Session 5 8:30 - 10:10 (1h40) Session 5 Chair: Julien Langou › Fast randomized algorithms for rank structured matrices - Per-Gunnar Martinsson, University of Texas at Austin 08:30-08:50 (20min) › A novel fixed-accuracy variant of the Randomized Interpolative Decomposition algorithm - Karmijn Hoogveld, IRIT 08:50-09:10 (20min) › Sketching strategies as NLA companion - Valeria Simoncini, Università di Bologna 09:10-09:30 (20min) › Adaptive Sketching Based Construction of H2 Matrices on GPUs - Xiaoye Sherry Li, LBNL 09:30-09:50 (20min) › Accelerating an ensemble of variational data assimilations with randomized preconditioning - Ieva Daužickaitė, CERFACS 09:50-10:10 (20min) Coffee break 10:10 - 10:50 (40min) Coffee break Session 6 10:50 - 12:10 (1h20) Session 6 Chair: Rio Yokota › Mixed precision algorithms with neural operator preconditioning for solving some parametric PDEs - Yanfei Xiang, IRMA 10:50-11:10 (20min) › A Matrix Factorization Framework for Community Detection under the Degree-Corrected Block Model - Alexandra Dache, Université de Mons 11:10-11:30 (20min) › Integrative Co-Embedding of Multi-View Data Sets - Haesun Park, Georgia Institute of Technology 11:30-11:50 (20min) › Minimum-norm solution of the non-symmetric semidefinite Procrustes problem - Stefano Sicilia, Université de Mons 11:50-12:10 (20min) Lunch + poster session 12:10 - 14:30 (2h20) Lunch + poster session › Orthogonalization Avoidant Davidson - Ioannis Thanasis, Charles University 12:10-14:30 (2h20) › Mixed precision iterative refinement for least squares with linear equality constraints and generalized least squares problems - Bowen Gao, Fudan university 12:10-14:30 (2h20) › Mixed-Precision and Energy-Efficient Computations - Yanxiang Chen, Umeå University 12:10-14:30 (2h20) › PROMISE: Dynamic mixed precision analysis for numerical algorithms - Xinye Chen, LIP6 12:10-14:30 (2h20) › Three examples of reduced precision with sparsity in high-fidelity simulations - Hans Johansen, LBNL 12:10-14:30 (2h20) › Do you precondition on the left or on the right ? - Nicole Spillane, CMAP 12:10-14:30 (2h20) Session 7 14:30 - 16:10 (1h40) Session 7 › Software emulation of 3Sum, the FMA and other operations. - Jean-Michel Muller, LIP 14:30-14:50 (20min) › Accuracy of Mathematical Functions in Julia - Mantas Mikaitis, University of Leeds 14:50-15:10 (20min) › Fast and accurate sub-cubic matrix multiplication - Clément Pernet, Grenoble INP - UGA, LJK 15:10-15:30 (20min) › Probabilistic Error Analysis of Limited-Precision Stochastic Rounding - El-Mehdi El Arar, IRISA 15:30-15:50 (20min) › Mixed-Precision Strategies in Spectral Element Codes: Accuracy-Aware Approximation for Energy-Efficient Simulations - Roman Iakymchuk, Umeå University 15:50-16:10 (20min) Coffee break 16:10 - 16:50 (40min) Coffee break Session 8 16:50 - 18:30 (1h40) Session 8 Chair: Patrick Amestoy › < T >LAPACK: a new linear algebra software package with mixed-precision capabilities - Julien Langou, University of Colorado Denver 16:50-17:10 (20min) › A composable abstraction of hierarchical methods for matrix-vector product acceleration - Antoine Gicquel, LABRI 17:10-17:30 (20min) › Mixed Precision Strategies for Solving Sparse Linear Systems with BiCGStab - Hugo Dorfsman, LIP6 - IFPEN 17:30-17:50 (20min) › Solving Big Problems with Little Numbers - Hatem Ltaief, KAUST 17:50-18:10 (20min) › Approximate solutions to (generalized) matrix chains - Paolo Bientinesi, Umeå University 18:10-18:30 (20min)	Welcome coffee 8:00 - 8:30 (30min) Welcome coffee Session 9 8:30 - 10:10 (1h40) Session 9 › Computing accurate eigenvalues using a mixed-precision Jacobi algorithm - Françoise Tisseur, University of Manchester 08:30-08:50 (20min) › A randomized Krylov-Schur eigensolver, featuring mixed-precision and deflation - Jean-Guillaume De Damas, LJLL 08:50-09:10 (20min) › Randomized Two-Sided Gram-Schmidt Process With Applications - Lorenzo Piccinini, Università di Bologna 09:10-09:30 (20min) › Minimal Residual Rational Krylov Subspace Method for Sequences of Shifted Linear Systems - Davide Palitta, Università di Bologna 09:30-09:50 (20min) › Error formulas for block rational Krylov approximations of matrix functions - Stefano Massei, Università di Pisa 09:50-10:10 (20min) Coffee break 10:10 - 10:50 (40min) Coffee break Session 10 10:50 - 12:30 (1h40) Session 10 Chair: Sherry Li › A Journey Through Numerical Linear Algebra Algorithms with Variable Accuracy Storage - Emmanuel Agullo, Inria 10:50-11:10 (20min) › Memory Accessor for Mixed-precision GMRES-based iterative refinement - Antoine Jego, LIP6 11:10-11:30 (20min) › Mixed-Precision FGMRES for Large Lyapunov Equations - Jonas Schulze, Max Planck Institute for Dynamics of Complex Technical Systems 11:30-11:50 (20min) › Mixed-precision iterative refinement for low-rank Lyapunov equations - Xiaobo Liu, Max Planck Institute for Dynamics of Complex Technical Systems 11:50-12:10 (20min) › A mixed precision quantum-classical algorithm for solving linear systems - Marc Baboulin, Laboratoire Méthodes Formelles 12:10-12:30 (20min) Lunch 12:30 - 14:00 (1h30) Lunch

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