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- Julien Langou
University of Colorado Denver
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Publication search results
found 83 matches
- 2024
- Thijs Steel, Raf Vandebril, Julien Langou:
A new deflation criterion for the QZ algorithm. Numer. Linear Algebra Appl. 31(1) (2024) - 2022
- Daniel Bielich, Julien Langou, Stephen J. Thomas, Kasia Swirydowicz, Ichitaro Yamazaki, Erik G. Boman:
Low-synch Gram-Schmidt with delayed reorthogonalization for Krylov solvers. Parallel Comput. 112: 102940 (2022) - James Demmel, Jack J. Dongarra, Mark Gates, Greg Henry, Julien Langou, Xiaoye S. Li, Piotr Luszczek, Weslley S. Pereira, E. Jason Riedy, Cindy Rubio-González:
Proposed Consistent Exception Handling for the BLAS and LAPACK. Correctness@SC 2022: 1-9 - Olivier Beaumont, Philippe Duchon, Lionel Eyraud-Dubois, Julien Langou, Mathieu Vérité:
Symmetric Block-Cyclic Distribution: Fewer Communications Leads to Faster Dense Cholesky Factorization. SC 2022: 29:1-29:15 - Olivier Beaumont, Lionel Eyraud-Dubois, Julien Langou, Mathieu Vérité:
I/O-Optimal Algorithms for Symmetric Linear Algebra Kernels. SPAA 2022: 423-433 - Olivier Beaumont, Lionel Eyraud-Dubois, Mathieu Vérité, Julien Langou:
I/O-Optimal Algorithms for Symmetric Linear Algebra Kernels. CoRR abs/2202.10217 (2022) - James Demmel, Jack J. Dongarra, Mark Gates, Greg Henry, Julien Langou, Xiaoye S. Li, Piotr Luszczek, Weslley da Silva Pereira, E. Jason Riedy, Cindy Rubio-González:
Proposed Consistent Exception Handling for the BLAS and LAPACK. CoRR abs/2207.09281 (2022) - Thijs Steel, Raf Vandebril, Julien Langou:
A new deflation criterion for the QZ algorithm. CoRR abs/2208.02057 (2022) - Weslley da Silva Pereira, Ali Lotfi, Julien Langou:
Numerical analysis of Givens rotation. CoRR abs/2211.04010 (2022) - 2021
- Katarzyna Swirydowicz, Julien Langou, Shreyas Ananthan, Ulrike Meier Yang, Stephen J. Thomas:
Low synchronization Gram-Schmidt and generalized minimal residual algorithms. Numer. Linear Algebra Appl. 28(2) (2021) - Daniel Bielich, Julien Langou, Stephen J. Thomas, Kasia Swirydowicz, Ichitaro Yamazaki, Erik G. Boman:
Low-Synch Gram-Schmidt with Delayed Reorthogonalization for Krylov Solvers. CoRR abs/2104.01253 (2021) - 2020
- Olivier Beaumont, Julien Langou, Willy Quach, Alena Shilova:
A Makespan Lower Bound for the Tiled Cholesky Factorization Based on ALAP Schedule. Euro-Par 2020: 134-150 - Valentin Le Fèvre, Thomas Hérault, Julien Langou, Yves Robert:
A Comparison of Several Fault-Tolerance Methods for the Detection and Correction of Floating-Point Errors in Matrix-Matrix Multiplication. Euro-Par Workshops 2020: 303-315 - Auguste Olivry, Julien Langou, Louis-Noël Pouchet, P. Sadayappan, Fabrice Rastello:
Automated derivation of parametric data movement lower bounds for affine programs. PLDI 2020: 808-822 - 2019
- Auguste Olivry, Julien Langou, Louis-Noël Pouchet, P. Sadayappan, Fabrice Rastello:
Automated Derivation of Parametric Data Movement Lower Bounds for Affine Programs. CoRR abs/1911.06664 (2019) - 2018
- Kasia Swirydowicz, Julien Langou, Shreyas Ananthan, Ulrike Meier Yang, Stephen J. Thomas:
Low synchronization GMRES algorithms. CoRR abs/1809.05805 (2018) - 2017
- Jianwei Xiao, Ming Gu, Julien Langou:
Fast Parallel Randomized QR with Column Pivoting Algorithms for Reliable Low-Rank Matrix Approximations. HiPC 2017: 233-242 - Mathieu Faverge, Julien Langou, Yves Robert, Jack J. Dongarra:
Bidiagonalization and R-Bidiagonalization: Parallel Tiled Algorithms, Critical Paths and Distributed-Memory Implementation. IPDPS 2017: 668-677 - 2016
- Massimiliano Fasi, Julien Langou, Yves Robert, Bora Uçar:
A backward/forward recovery approach for the preconditioned conjugate gradient method. J. Comput. Sci. 17: 522-534 (2016) - Mathieu Faverge, Julien Langou, Yves Robert, Jack J. Dongarra:
Bidiagonalization with Parallel Tiled Algorithms. CoRR abs/1611.06892 (2016) - 2015
- Mathieu Faverge, Julien Herrmann, Julien Langou, Bradley R. Lowery, Yves Robert, Jack J. Dongarra:
Mixing LU and QR factorization algorithms to design high-performance dense linear algebra solvers. J. Parallel Distributed Comput. 85: 32-46 (2015) - Massimiliano Fasi, Julien Langou, Yves Robert, Bora Uçar:
A Backward/Forward Recovery Approach for the Preconditioned Conjugate Gradient Method. CoRR abs/1511.04478 (2015) - Willy Quach, Julien Langou:
A Makespan Lower Bound for the Scheduling of the Tiled Cholesky Factorization based on ALAP scheduling. CoRR abs/1510.05107 (2015) - 2014
- Mathieu Faverge, Julien Herrmann, Julien Langou, Bradley R. Lowery, Yves Robert, Jack J. Dongarra:
Designing LU-QR Hybrid Solvers for Performance and Stability. IPDPS 2014: 1029-1038 - Mathieu Faverge, Julien Herrmann, Julien Langou, Bradley R. Lowery, Yves Robert, Jack J. Dongarra:
Designing LU-QR hybrid solvers for performance and stability. CoRR abs/1401.5522 (2014) - 2013
- Jack J. Dongarra, Mathieu Faverge, Thomas Hérault, Mathias Jacquelin, Julien Langou, Yves Robert:
Hierarchical QR factorization algorithms for multi-core clusters. Parallel Comput. 39(4-5): 212-232 (2013) - Fred G. Gustavson, Jerzy Wasniewski, Jack J. Dongarra, José R. Herrero, Julien Langou:
Level-3 Cholesky Factorization Routines Improve Performance of Many Cholesky Algorithms. ACM Trans. Math. Softw. 39(2): 9:1-9:10 (2013) - Julien Langou, Matthias Bolten, Laura Grigori, Marián Vajtersic:
Topic 10: Parallel Numerical Algorithms - (Introduction). Euro-Par 2013: 482-483 - Bradley R. Lowery, Julien Langou:
A Greedy Algorithm for Optimally Pipelining a Reduction. CoRR abs/1310.4645 (2013) - 2012
- Henri Calandra, Serge Gratton, Julien Langou, Xavier Pinel, Xavier Vasseur:
Flexible Variants of Block Restarted GMRES Methods with Application to Geophysics. SIAM J. Sci. Comput. 34(2) (2012)
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