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Gregoire Pichon

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Enhancing sparse direct solver scalability through runtime system automatic data partition

Alycia Lisito , Mathieu Faverge , Grégoire Pichon , Pierre Ramet
WAMTA 2024 - Workshop on Asynchronous Many-Task Systems and Applications 2024, Feb 2024, Knoxville, United States. pp.105-110, ⟨10.1007/978-3-031-61763-8_10⟩
Conference papers hal-04527103v1
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Engineering fast algorithms for the bottleneck matching problem

Ioannis Panagiotas , Grégoire Pichon , Somesh Singh , Bora Uçar
ESA 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 Factorization

Esragul Korkmaz , Mathieu Faverge , Grégoire Pichon , Pierre Ramet
HiPC 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 Solvers

Rocío Carratalá-Sáez , Mathieu Faverge , Grégoire Pichon , Guillaume Sylvand , Enrique S Quintana-Ortí
PDSEC 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

Recent Developments Around the Block Low-Rank PaStiX Solver

Grégoire Pichon , Mathieu Faverge , Pierre Ramet
PP 2020 - SIAM Conference on Parallel Processing for Scientific Computing, Feb 2020, Seattle, United States
Conference papers hal-03140189v1
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Improving mapping for sparse direct solvers: A trade-off between data locality and load balancing

Changjiang Gou , Ali Al Zoobi , Anne Benoit , Mathieu Faverge , Loris Marchal
EuroPar 2020 - 26th International European Conference on Parallel and Distributed Computing, Aug 2020, Warsaw / Virtual, Poland. pp.1-16
Conference papers hal-02973315v1

Exploiting Generic Tiled Algorithms Toward Scalable H-Matrices Factorizations on Top of Runtime Systems

Rocío Carratalá-Sáez , Mathieu Faverge , Grégoire Pichon , Enrique Salvador Quintana-Ortí , Guillaume Sylvand
SIAM PP20 - SIAM Conference on Parallel Processing for Scientific Computing, Feb 2020, Seattle, United States
Conference papers hal-03149953v1

Exploiting Parameterized Task-graph in Sparse Direct Solvers

Mathieu Faverge , Grégoire Pichon , Pierre Ramet
SIAM Conference on Computational Science and Engineering (CSE19), Feb 2019, Spokane, United States
Conference papers hal-01956963v1

Rank Revealing QR Methods for Sparse Block Low Rank Solvers

Esragul Korkmaz , Mathieu Faverge , Grégoire Pichon , Pierre Ramet
COMPAS 2019 - Conférence d'informatique en Parallélisme, Architecture et Système, Jun 2019, Anglet, France
Conference papers hal-02326084v1

Block Low-rank Algebraic Clustering for Sparse Direct Solvers

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
SIAM Conference on Computational Science and Engineering (CSE19), Feb 2019, Spokane, United States
Conference papers hal-01956962v1

Rank Revealing QR Methods for Sparse Block Low Rank Solvers

Esragul Korkmaz , Mathieu Faverge , Grégoire Pichon , Pierre Ramet
Sparse Days 2019, Jul 2019, Toulouse, France
Conference papers hal-02326070v1
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Supernodes ordering to enhance Block Low-Rank compression in sparse direct solvers

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
PMAA 2018 - 10th International Workshop on Parallel Matrix Algorithms and Applications, Jun 2018, Zurich, Switzerland
Conference papers hal-01956960v1
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Utilisation de la compression Block Low-Rank pour accélérer un solveur direct creux supernodal

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
COMPAS 2018 - Conférence d'informatique en Parallélisme, Architecture et Système, Jul 2018, Toulouse, France
Conference papers hal-01956959v1

Exploiting Modern Manycore Architecture in Sparse Direct Solver with Runtime Systems

Grégoire Pichon , Mathieu Faverge , Pierre Ramet
SIAM Conference on Computation Science and Engineering (CSE'17), Feb 2017, Atlanta, United States
Conference papers hal-01421383v1

Impact of Blocking Strategies for Sparse Direct Solvers on Top of Generic Runtimes

Grégoire Pichon , Mathieu Faverge , Pierre Ramet , Jean Roman
SIAM Conference on Computation Science and Engineering (CSE'17), Feb 2017, Atlanta, United States
Conference papers hal-01421384v1
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Sparse Supernodal Solver exploiting Low-Rankness Property

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
Sparse Days 2017, Sep 2017, Toulouse, France
Conference papers hal-01585622v1
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Utilisation de la compression Block Low-Rank pour accélérer un solveur direct creux supernodal

Grégoire Pichon
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 Block Low-Rank Compression

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
18th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing (PDSEC 2017), Jun 2017, Orlando, United States
Conference papers hal-01502215v1

Sparse Supernodal Solver Using Hierarchical Compression over Runtime System

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
SIAM Conference on Computation Science and Engineering (CSE'17), Feb 2017, Atlanta, United States
Conference papers hal-01421379v1

Exploiting Kepler architecture in sparse direct solver with runtime systems

Mathieu Faverge , Grégoire Pichon , Pierre Ramet
9th International Workshop on Parallel Matrix Algorithms and Applications (PMAA'2016), Jul 2016, Bordeaux, France
Conference papers hal-01421372v1

Exploiting H-Matrices in Sparse Direct Solvers

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2016), Apr 2016, Paris, France
Conference papers hal-01251812v1

On the use of low rank approximations for sparse direct solvers

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
SIAM Annual Meeting (AN'16), Jul 2016, Boston, United States
Conference papers hal-01421376v1

Sparse Supernodal Solver Using Hierarchical Compression

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
Workshop on Fast Direct Solvers, Nov 2016, Purdue, United States
Conference papers hal-01421368v1

Impact of Blocking Strategies for Sparse Direct Solvers on Top of Generic Runtimes

Grégoire Pichon , Mathieu Faverge , Pierre Ramet , Jean Roman
SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2016), Apr 2016, Paris, France
Conference papers hal-01251808v1

Blocking strategy optimizations for sparse direct linear solver on heterogeneous architectures

Mathieu Faverge , Grégoire Pichon , Pierre Ramet , Jean Roman
Sparse Days, Jun 2015, Saint Girons, France
Conference papers hal-01187881v1

On the use of H-Matrix Arithmetic in PaStiX: a Preliminary Study

Mathieu Faverge , Grégoire Pichon , Pierre Ramet , Jean Roman
Workshop on Fast Direct Solvers, Jun 2015, Toulouse, France
Conference papers hal-01187882v1
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Divide and Conquer Symmetric Tridiagonal Eigensolver for Multicore Architectures

Grégoire Pichon , Azzam Haidar , Mathieu Faverge , Jakub Kurzak
IEEE International Parallel & Distributed Processing Symposium (IPDPS 2015), May 2015, Hyderabad, India
Conference papers hal-01078356v3
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Sparse supernodal solver using block low-rank compression: Design, performance and analysis

Grégoire Pichon , Eric Darve , Mathieu Faverge , Esragul Korkmaz , Pierre Ramet
JOREK 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 PaStiX

Grégoire Pichon , Mathieu Faverge , Pierre Ramet , Jean Roman
JCAD 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 method

Grégoire Pichon , Eric Darve , Mathieu Faverge , Stéphane Lanteri , Pierre Ramet
Journées 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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Reaching the Quality of SVD for Low-Rank Compression Through QR Variants

Esragul Korkmaz , Mathieu Faverge , Grégoire Pichon , Pierre Ramet
[Research Report] RR-9476, Inria Bordeaux - Sud Ouest. 2022, pp.43
Reports hal-03718312v4
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Deciding Non-Compressible Blocks in Sparse Direct Solvers using Incomplete Factorization

Esragul Korkmaz , Mathieu Faverge , Grégoire Pichon , Pierre Ramet
[Research Report] RR-9396, Inria Bordeaux - Sud Ouest. 2021, pp.16
Reports hal-03152932v2
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Improving mapping for sparse direct solvers: A trade-off between data locality and load balancing

Changjiang Gou , Ali Al Zoobi , Anne Benoit , Mathieu Faverge , Loris Marchal
[Research Report] RR-9328, Inria Rhône-Alpes. 2020, pp.21
Reports hal-02491495v1
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Tiled Algorithms for Efficient Task-Parallel H-Matrix Solvers

Rocío Carratalá-Sáez , Mathieu Faverge , Grégoire Pichon , Guillaume Sylvand , Enrique S Quintana-Ortí
[Research Report] RR-9327, Inria. 2020
Reports hal-02489269v1
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Trading Performance for Memory in Sparse Direct Solvers using Low-rank Compression

Loris Marchal , Thibault Marette , Grégoire Pichon , Frédéric Vivien
[Research Report] RR-9368, INRIA. 2020
Reports hal-02976233v1
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Supernodes ordering to enhance Block Low-Rank compression in sparse direct solvers

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
[Research Report] RR-9238, Inria Bordeaux Sud-Ouest. 2018, pp.1-31
Reports hal-01961675v1
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Sparse Supernodal Solver Using Block Low-Rank Compression: design, performance and analysis

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
[Research Report] RR-9130, Inria Bordeaux Sud-Ouest. 2017, pp.1-32
Reports hal-01660665v1
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Sparse Supernodal Solver Using Block Low-Rank Compression

Grégoire Pichon , Eric Darve , Mathieu Faverge , Pierre Ramet , Jean Roman
[Research Report] RR-9022, Inria Bordeaux Sud-Ouest. 2017, pp.24
Reports hal-01450732v3
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Reordering strategy for blocking optimization in sparse linear solvers

Grégoire Pichon , Mathieu Faverge , Pierre Ramet , Jean Roman
[Research Report] RR-8860, Inria Bordeaux Sud-Ouest; LaBRI - Laboratoire Bordelais de Recherche en Informatique; Bordeaux INP; Université de Bordeaux. 2016, pp.26
Reports hal-01276746v2