Gregoire Pichon
42
Documents
Publications
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Trading Performance for Memory in Sparse Direct Solvers using Low-rank CompressionFuture Generation Computer Systems, 2022, 130, pp.307-320. ⟨10.1016/j.future.2021.12.018⟩
Journal articles
hal-03517124v1
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Sparse supernodal solver using block low-rank compression: Design, performance and analysisInternational Journal of Computational Science and Engineering, 2018, 27, pp.255 - 270. ⟨10.1016/J.JOCS.2018.06.007⟩
Journal articles
hal-01824275v1
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Reordering Strategy for Blocking Optimization in Sparse Linear SolversSIAM Journal on Matrix Analysis and Applications, 2017, SIAM Journal on Matrix Analysis and Applications, 38 (1), pp.226 - 248. ⟨10.1137/16M1062454⟩
Journal articles
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Engineering fast algorithms for the bottleneck matching problemESA 2023 - The 31st Annual European Symposium on Algorithms, Sep 2023, Amsterdam (Hollande), Netherlands
Conference papers
hal-04146298v2
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Deciding Non-Compressible Blocks in Sparse Direct Solvers using Incomplete FactorizationHiPC 2021 - 28th IEEE International Conference on High Performance Computing, Data, and Analytics, Dec 2021, Bangalore, India. pp.1-10, ⟨10.1109/HiPC53243.2021.00024⟩
Conference papers
hal-03361299v1
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Tiled Algorithms for Efficient Task-Parallel H-Matrix SolversPDSEC 2020 - 21st IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, May 2020, News Orleans, United States. pp.1-10
Conference papers
hal-02513433v1
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Recent Developments Around the Block Low-Rank PaStiX SolverPP 2020 - SIAM Conference on Parallel Processing for Scientific Computing, Feb 2020, Seattle, United States
Conference papers
hal-03140189v1
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Exploiting Generic Tiled Algorithms Toward Scalable H-Matrices Factorizations on Top of Runtime SystemsSIAM PP20 - SIAM Conference on Parallel Processing for Scientific Computing, Feb 2020, Seattle, United States
Conference papers
hal-03149953v1
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Improving mapping for sparse direct solvers: A trade-off between data locality and load balancingEuroPar 2020 - 26th International European Conference on Parallel and Distributed Computing, Aug 2020, Warsaw / Virtual, Poland. pp.1-16
Conference papers
hal-02973315v1
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Rank Revealing QR Methods for Sparse Block Low Rank SolversCOMPAS 2019 - Conférence d'informatique en Parallélisme, Architecture et Système, Jun 2019, Anglet, France
Conference papers
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Exploiting Parameterized Task-graph in Sparse Direct SolversSIAM Conference on Computational Science and Engineering (CSE19), Feb 2019, Spokane, United States
Conference papers
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Block Low-rank Algebraic Clustering for Sparse Direct SolversSIAM Conference on Computational Science and Engineering (CSE19), Feb 2019, Spokane, United States
Conference papers
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Rank Revealing QR Methods for Sparse Block Low Rank SolversSparse Days 2019, Jul 2019, Toulouse, France
Conference papers
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Utilisation de la compression Block Low-Rank pour accélérer un solveur direct creux supernodalCOMPAS 2018 - Conférence d'informatique en Parallélisme, Architecture et Système, Jul 2018, Toulouse, France
Conference papers
hal-01956959v1
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Supernodes ordering to enhance Block Low-Rank compression in sparse direct solversPMAA 2018 - 10th International Workshop on Parallel Matrix Algorithms and Applications, Jun 2018, Zurich, Switzerland
Conference papers
hal-01956960v1
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Exploiting Modern Manycore Architecture in Sparse Direct Solver with Runtime SystemsSIAM Conference on Computation Science and Engineering (CSE'17), Feb 2017, Atlanta, United States
Conference papers
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Impact of Blocking Strategies for Sparse Direct Solvers on Top of Generic RuntimesSIAM Conference on Computation Science and Engineering (CSE'17), Feb 2017, Atlanta, United States
Conference papers
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Sparse Supernodal Solver exploiting Low-Rankness PropertySparse Days 2017, Sep 2017, Toulouse, France
Conference papers
hal-01585622v1
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Sparse Supernodal Solver Using Block Low-Rank Compression18th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing (PDSEC 2017), Jun 2017, Orlando, United States
Conference papers
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Utilisation de la compression Block Low-Rank pour accélérer un solveur direct creux supernodal Conférence d’informatique en Parallélisme, Architecture et Système (ComPAS'17), Jun 2017, Sophia Antipolis, France
Conference papers
hal-01585660v1
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Sparse Supernodal Solver Using Hierarchical Compression over Runtime SystemSIAM Conference on Computation Science and Engineering (CSE'17), Feb 2017, Atlanta, United States
Conference papers
hal-01421379v1
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Exploiting H-Matrices in Sparse Direct SolversSIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2016), Apr 2016, Paris, France
Conference papers
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Exploiting Kepler architecture in sparse direct solver with runtime systems9th International Workshop on Parallel Matrix Algorithms and Applications (PMAA'2016), Jul 2016, Bordeaux, France
Conference papers
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On the use of low rank approximations for sparse direct solversSIAM Annual Meeting (AN'16), Jul 2016, Boston, United States
Conference papers
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Sparse Supernodal Solver Using Hierarchical CompressionWorkshop on Fast Direct Solvers, Nov 2016, Purdue, United States
Conference papers
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Impact of Blocking Strategies for Sparse Direct Solvers on Top of Generic RuntimesSIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2016), Apr 2016, Paris, France
Conference papers
hal-01251808v1
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Blocking strategy optimizations for sparse direct linear solver on heterogeneous architecturesSparse Days, Jun 2015, Saint Girons, France
Conference papers
hal-01187881v1
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On the use of H-Matrix Arithmetic in PaStiX: a Preliminary StudyWorkshop on Fast Direct Solvers, Jun 2015, Toulouse, France
Conference papers
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Divide and Conquer Symmetric Tridiagonal Eigensolver for Multicore ArchitecturesIEEE International Parallel & Distributed Processing Symposium (IPDPS 2015), May 2015, Hyderabad, India
Conference papers
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Sparse supernodal solver using block low-rank compression: Design, performance and analysisJOREK development meeting, Nov 2019, Cadarache, France
Documents associated with scientific events
hal-02326407v1
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Utilisation de la compression low-rank pour réduire la complexité du solveur PaStiXJCAD 2018 - Journées Calcul et Données, Oct 2018, Lyon, France
Documents associated with scientific events
hal-01956928v1
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Sparse supernodal solver with low-rank compression for solving the frequency-domain Maxwell equations discretized by a high order HDG methodJournées jeunes chercheur-e-s - Résolution de problèmes d’ondes harmoniques de grande taille, Nov 2017, PARIS, France. pp.1-55, 2017
Documents associated with scientific events
hal-01660653v1
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On the use of low-rank arithmetic to reduce the complexity of parallel sparse linear solvers based on direct factorization techniquesData Structures and Algorithms [cs.DS]. Université de Bordeaux, 2018. English. ⟨NNT : 2018BORD0249⟩
Theses
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