PhD thesis

    [1] T. Mary, Block Low-Rank multifrontal solvers: complexity, performance, and scalability, November 2017. [thesis] [defense slides]

Journal Articles

    [1] N.J. Higham & T. Mary, A New Preconditioner that Exploits Low-Rank Approximations to Factorization Error, SIAM Journal on Scientific Computing, Submitted (2018). [pdf] [mims]
    [2] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Bridging the gap between flat and hierarchical low-rank matrix formats: the multilevel BLR format, SIAM Journal on Scientific Computing, Submitted (2018). [pdf] [hal] [mims]
    [3] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Performance and Scalability of the Block Low-Rank Multifrontal Factorization on Multicore Architectures, ACM Transactions on Mathematical Software, Submitted (2017). [pdf] [hal]
    [4] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, On the Complexity of the Block Low-Rank Multifrontal Factorization, SIAM Journal on Scientific Computing, 39(4):A1710-A1740, 2017. [pdf] [hal] [doi]
    [5] D~V. Shantsev, P. Jaysaval, S. de la Kethulle de Ryhove, P~R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Large-scale 3D EM modeling with a Block Low-Rank multifrontal direct solver, Geophysical Journal International, 209(3):1558-1571, 2017. [pdf] [doi]
    [6] P.R. Amestoy, R. Brossier, A. Buttari, J-Y. L'Excellent, T. Mary, L. Métivier, A. Miniussi & S. Operto, Fast 3D frequency-domain full waveform inversion with a parallel Block Low-Rank multifrontal direct solver: application to OBC data from the North Sea, Geophysics, 81(6):R363 - R383, 2016. [pdf] [doi]

Proceedings

    [1] T. Mary, I. Yamazaki, J. Kurzak, P. Luszczek, S. Tomov & J. Dongarra, Performance of Random Sampling for Computing Low-rank Approximations of a Dense Matrix on GPUs in SC'15 - International Conference for High Performance Computing, Networking, Storage and Analysis, Austin, USA, November 2015. [doi] [ieee] [talk]
    [2] P.R. Amestoy, R. Brossier, A. Buttari, J-Y. L'Excellent, T. Mary, L. Métivier, A. Miniussi, S. Operto, J. Virieux & C. Weisbecker, 3D frequency-domain seismic modeling with a Parallel BLR multifrontal direct solver in International Conference Society of Exploration Geophysicits (SEG) Annual Meeting, New Orleans, USA, October 2015. [doi] [talk]
    [3] P.R. Amestoy, R. Brossier, A. Buttari, J-Y. L'Excellent, T. Mary, L. Métivier, A. Miniussi, S. Operto, A. Ribodetti, J. Virieux & C. Weisbecker, Efficient 3D frequency-domain full-waveform inversion of ocean-bottom cable data with sparse block low-rank direct solver: a real data case study from the North Sea in International Conference Society of Exploration Geophysicits (SEG) Annual Meeting, New Orleans, USA, October 2015. [doi]
    [4] I. Yamazaki, T. Mary, J. Kurzak, S. Tomov & J. Dongarra, Access-averse framework for computing low-rank matrix approximations in 2014 IEEE International Conference on Big Data, Washington, USA, October 2014. [ieee]

Recent talks

    [1] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Bridging the gap between flat and hierarchical low-rank matrix formats in Structured Matrix Days), Lyon, France, May 2018. [talk]
    [2] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Distributed-memory Block Low-Rank multifrontal factorization for large scale systems and applications in SIAM Conference on Parallel Processing (SIAM PP'18), Tokyo, Japan, March 2018. [talk]
    [3] P.R. Amestoy, A. Buttari, P. Ghysels, J-Y. L'Excellent, X.S. Li, T. Mary & F-H. Rouet, Comparison of BLR and HSS low-rank formats in multifrontal solvers: theory and practice in SIAM Conference on Computational Science and Engineering (SIAM CSE'17), Atlanta, USA, February 2017. [talk]

Older talks

    [1] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Block Low-Rank multifrontal sparse direct solvers in Mathias 2017, Paris, France, October 2017. [talk]
    [2] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Block Low-Rank multifrontal solvers: complexity, performance, and scalability in Sparse Days, Toulouse, France, September 2017. [talk]
    [3] P.R. Amestoy, A. Buttari, P. Ghysels, J-Y. L'Excellent, X.S. Li, T. Mary & F-H. Rouet, On the comparison of sparse multifrontal hierarchical and Block Low-Rank solvers in MUMPS User Days, Montbonnot Saint-Martin, France, June 2017. [talk]
    [4] T. Mary, Complexity and performance of Block Low-Rank multifrontal factorization and its variants in Journée des doctorants, Université Paul Sabatier, Toulouse, France, January 2017. [talk]
    [5] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Performance and scalability of the Block Low-Rank multifrontal factorization in Parallel Matrix Algorithms and Applications (PMAA'16), Bordeaux, France, July 2016. [talk]
    [6] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Multicore performance of the Block Low-Rank multifrontal factorization in Journée Lyon Calcul, Lyon, France, December 2016. [talk]
    [7] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Performance and scalability of the Block Low-Rank multifrontal factorization in PhD Days IRIT-APO, Toulouse, France, September 2016. [talk]
    [8] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, On the complexity of the Block Low-Rank multifrontal factorization in Sparse Days, Toulouse, France, June 2016. [talk]
    [9] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Sparse direct solvers towards seismic imaging of large 3D domains in 78th EAGE Conference, workshop methods and challenges of seismic wave modelling for seismic imaging, Vienna, Austria, June 2016. [talk]
    [10] P.R. Amestoy, A. Buttari, J-Y. L'Excellent & T. Mary, Complexity and performance of Block Low-Rank multifrontal factorization and its variants in SIAM Conference on Parallel Processing (SIAM PP'16), Paris, France, April 2016. [talk]
    [11] P.R. Amestoy, J. Anton, C. Ashcraft, A. Buttari, P. Ghysels, J-Y. L'Excellent, X.S. Li, T. Mary, F-H. Rouet & C. Weisbecker, A comparison of parallel rank-structured solvers in SIAM Conference on Parallel Processing (SIAM PP'16), Paris, France, April 2016. [talk]
    [12] P.R. Amestoy, R. Brossier, A. Buttari, J-Y. L'Excellent, T. Mary, L. Métivier, A. Miniussi, S. Operto, J. Virieux & C. Weisbecker, 3D frequency-domain seismic modeling with a Parallel BLR multifrontal direct solver in PhD Days IRIT-APO, Toulouse, France, November 2015. [talk]
    [13] P.R. Amestoy, C. Ashcraft, A. Buttari, P. Ghysels, J-Y. L'Excellent, X.S. Li, T. Mary, F-H. Rouet & C. Weisbecker, A comparison of different low-rank approximation techniques in SIAM Conference on Applied Linear Algebra (SIAM LA'15), Atlanta, USA, October 2015. [talk]
    [14] The MUMPS team, 3D frequency-domain seismic modeling with a Parallel BLR multifrontal direct solver in SEISCOPE Annual Meeting, Grenoble, France, May 2015. [talk]
    [15] The MUMPS team, Improving multifrontal solvers by means of Block Low-Rank approximations in Livermore Software Technology Corporation (LSTC) workshop, Livermore, USA, March 2015. [talk]
    [16] T. Mary, I. Yamazaki, J. Kurzak, P. Luszczek, S. Tomov & J. Dongarra, Performance of Random Sampling for Computing Low-rank Approximations of a Dense Matrix on GPUs in SIAM Conference on Computational Science and Engineering (SIAM CSE'15), Salt Lake City, USA, March 2015. [talk]
    [17] I. Yamazaki, T. Mary, J. Kurzak, S. Tomov & J. Dongarra, Performance of Computing Low-Rank Approximation on Hybrid CPU/GPU Architectures in SIAM Conference on Computational Science and Engineering (SIAM CSE'15), Salt Lake City, USA, March 2015. [talk]
    [18] The MUMPS team, Improving multifrontal solvers by means of Block Low-Rank approximations in CIMI HPC semester: workshop on fast solvers, Toulouse, France, June 2015. [talk]
    [19] T. Mary, I. Yamazaki, J. Kurzak, P. Luszczek, S. Tomov & J. Dongarra, Performance of Random Sampling for Low-rank Approximation on GPUs in PhD Days IRIT-APO, Toulouse, France, October 2014. [talk]