Julien Langou

	2012
42		James Demmel, Laura Grigori, Mark Hoemmen, Julien Langou: Communication-optimal Parallel and Sequential QR and LU Factorizations. SIAM J. Scientific Computing 34(1): (2012)
41		Henri Calandra, Serge Gratton, Julien Langou, Xavier Pinel, Xavier Vasseur: Flexible Variants of Block Restarted GMRES Methods with Application to Geophysics. SIAM J. Scientific Computing 34(2): (2012)
	2011
40		Emmanuel Agullo, Cédric Augonnet, Jack Dongarra, Mathieu Faverge, Julien Langou, Hatem Ltaief, Stanimire Tomov: LU factorization for accelerator-based systems. AICCSA 2011: 217-224
39		George Bosilca, Aurelien Bouteiller, Anthony Danalis, Mathieu Faverge, Azzam Haidar, Thomas Hérault, Jakub Kurzak, Julien Langou, Pierre Lemarinier, Hatem Ltaief, Piotr Luszczek, Asim YarKhan, Jack Dongarra: Flexible Development of Dense Linear Algebra Algorithms on Massively Parallel Architectures with DPLASMA. IPDPS Workshops 2011: 1432-1441
38		Henricus Bouwmeester, Mathias Jacquelin, Julien Langou, Yves Robert: Tiled QR factorization algorithms. SC 2011: 7
37		Henricus Bouwmeester, Mathias Jacquelin, Julien Langou, Yves Robert: Tiled QR factorization algorithms CoRR abs/1104.4475: (2011)
36		Jack Dongarra, Mathieu Faverge, Thomas Hérault, Julien Langou, Yves Robert: Hierarchical QR factorization algorithms for multi-core cluster systems CoRR abs/1110.1553: (2011)
35		Emmanuel Agullo, Camille Coti, Thomas Hérault, Julien Langou, Sylvain Peyronnet, Ala Rezmerita, Franck Cappello, Jack Dongarra: QCG-OMPI: MPI applications on grids. Future Generation Comp. Syst. 27(4): 357-369 (2011)
	2010
34		Emmanuel Agullo, Camille Coti, Jack Dongarra, Thomas Hérault, Julien Langou: QR factorization of tall and skinny matrices in a grid computing environment. IPDPS 2010: 1-11
33		Emmanuel Agullo, Henricus Bouwmeester, Jack Dongarra, Jakub Kurzak, Julien Langou, Lee Rosenberg: Towards an Efficient Tile Matrix Inversion of Symmetric Positive Definite Matrices on Multicore Architectures. VECPAR 2010: 129-138
32		Fred G. Gustavson, Jerzy Wasniewski, Jack Dongarra, Julien Langou: Rectangular full packed format for cholesky's algorithm: factorization, solution, and inversion. ACM Trans. Math. Softw. 37(2): (2010)
31		Emmanuel Agullo, Henricus Bouwmeester, Jack Dongarra, Jakub Kurzak, Julien Langou, Lee Rosenberg: Towards an Efficient Tile Matrix Inversion of Symmetric Positive Definite Matrices on Multicore Architectures CoRR abs/1002.4057: (2010)
30		Henricus Bouwmeester, Julien Langou: A Critical Path Approach to Analyzing Parallelism of Algorithmic Variants. Application to Cholesky Inversion CoRR abs/1010.2000: (2010)
	2009
29		Fred G. Gustavson, Jerzy Wasniewski, Jack Dongarra, Julien Langou: Rectangular Full Packed Format for Cholesky's Algorithm: Factorization, Solution and Inversion CoRR abs/0901.1696: (2009)
28		Emmanuel Agullo, Camille Coti, Jack Dongarra, Thomas Hérault, Julien Langou: QR Factorization of Tall and Skinny Matrices in a Grid Computing Environment CoRR abs/0912.2572: (2009)
27		Marc Baboulin, Alfredo Buttari, Jack Dongarra, Jakub Kurzak, Julie Langou, Julien Langou, Piotr Luszczek, Stanimire Tomov: Accelerating scientific computations with mixed precision algorithms. Computer Physics Communications 180(12): 2526-2533 (2009)
26		Jack Dongarra, Julien Langou: The Problem With the Linpack Benchmark 1.0 Matrix Generator. IJHPCA 23(1): 5-13 (2009)
25		George Bosilca, Remi Delmas, Jack Dongarra, Julien Langou: Algorithm-based fault tolerance applied to high performance computing. J. Parallel Distrib. Comput. 69(4): 410-416 (2009)
24		Alfredo Buttari, Julien Langou, Jakub Kurzak, Jack Dongarra: A class of parallel tiled linear algebra algorithms for multicore architectures. Parallel Computing 35(1): 38-53 (2009)
	2008
23		James Demmel, Laura Grigori, Mark Hoemmen, Julien Langou: Communication-avoiding parallel and sequential QR factorizations CoRR abs/0806.2159: (2008)
22		George Bosilca, Remi Delmas, Jack Dongarra, Julien Langou: Algorithmic Based Fault Tolerance Applied to High Performance Computing CoRR abs/0806.3121: (2008)
21		Marc Baboulin, Alfredo Buttari, Jack Dongarra, Jakub Kurzak, Julie Langou, Julien Langou, Piotr Luszczek, Stanimire Tomov: Accelerating Scientific Computations with Mixed Precision Algorithms CoRR abs/0808.2794: (2008)
20		Alfredo Buttari, Julien Langou, Jakub Kurzak, Jack Dongarra: Parallel tiled QR factorization for multicore architectures. Concurrency and Computation: Practice and Experience 20(13): 1573-1590 (2008)
	2007
19		Alfredo Buttari, Julien Langou, Jakub Kurzak, Jack Dongarra: Parallel Tiled QR Factorization for Multicore Architectures. PPAM 2007: 639-648
18		Julien Langou, George Bosilca: Advanced MPI Programming. PVM/MPI 2007: 15-16
17		Alfredo Buttari, Julien Langou, Jakub Kurzak, Jack Dongarra: A Class of Parallel Tiled Linear Algebra Algorithms for Multicore Architectures CoRR abs/0709.1272: (2007)
16		Marc Baboulin, Luc Giraud, Serge Gratton, Julien Langou: A distributed packed storage for large dense parallel in-core calculations. Concurrency and Computation: Practice and Experience 19(4): 483-502 (2007)
15		Alfredo Buttari, Jack Dongarra, Julie Langou, Julien Langou, Piotr Luszczek, Jakub Kurzak: Mixed Precision Iterative Refinement Techniques for the Solution of Dense Linear Systems. IJHPCA 21(4): 457-466 (2007)
14		Alfredo Buttari, Victor Eijkhout, Julien Langou, Salvatore Filippone: Performance Optimization and Modeling of Blocked Sparse Kernels. IJHPCA 21(4): 467-484 (2007)
13		Luc Giraud, Serge Gratton, Julien Langou: Convergence in Backward Error of Relaxed GMRES. SIAM J. Scientific Computing 29(2): 710-728 (2007)
12		Julien Langou, Zizhong Chen, George Bosilca, Jack Dongarra: Recovery Patterns for Iterative Methods in a Parallel Unstable Environment. SIAM J. Scientific Computing 30(1): 102-116 (2007)
	2006
11		Alfredo Buttari, Jack Dongarra, Jakub Kurzak, Julien Langou, Piotr Luszczek, Stanimire Tomov: The Impact of Multicore on Math Software. PARA 2006: 1-10
10		James Demmel, Jack Dongarra, Beresford N. Parlett, William Kahan, Ming Gu, David Bindel, Yozo Hida, Xiaoye S. Li, Osni Marques, E. Jason Riedy, Christof Vömel, Julien Langou, Piotr Luszczek, Jakub Kurzak, Alfredo Buttari, Julie Langou, Stanimire Tomov: Prospectus for the Next LAPACK and ScaLAPACK Libraries. PARA 2006: 11-23
9		Daniel Kressner, Julien Langou: Recent Advances in Dense Linear Algebra: Minisymposium Abstract. PARA 2006: 116
8		Julie Langou, Julien Langou, Piotr Luszczek, Jakub Kurzak, Alfredo Buttari, Jack Dongarra: Tools and techniques for performance - Exploiting the performance of 32 bit floating point arithmetic in obtaining 64 bit accuracy (revisiting iterative refinement for linear systems). SC 2006: 113
7		Jack Dongarra, George Bosilca, Zizhong Chen, Victor Eijkhout, Graham E. Fagg, Erika Fuentes, Julien Langou, Piotr Luszczek, Jelena Pjesivac-Grbovic, Keith Seymour, Haihang You, Sathish S. Vadhiyar: Self-adapting numerical software (SANS) effort. IBM Journal of Research and Development 50(2-3): 223-238 (2006)
6		Stanimire Tomov, Julien Langou, Jack Dongarra, Andrew Canning, Lin-Wang Wang: Conjugate-gradient eigenvalue solvers in computing electronic properties of nanostructure architectures. IJCSE 2(3/4): 205-212 (2006)
	2005
5		Stanimire Tomov, Julien Langou, Andrew Canning, Lin-Wang Wang, Jack Dongarra: Comparison of Nonlinear Conjugate-Gradient Methods for Computing the Electronic Properties of Nanostructure Architectures. International Conference on Computational Science (3) 2005: 317-325
4		Zizhong Chen, Graham E. Fagg, Edgar Gabriel, Julien Langou, Thara Angskun, George Bosilca, Jack Dongarra: Fault tolerant high performance computing by a coding approach. PPOPP 2005: 213-223
3		Julien Langou, George Bosilca, Graham E. Fagg, Jack Dongarra: Hash Functions for Datatype Signatures in MPI. PVM/MPI 2005: 76-83
2		Valérie Frayssé, Luc Giraud, Serge Gratton, Julien Langou: Algorithm 842: A set of GMRES routines for real and complex arithmetics on high performance computers. ACM Trans. Math. Softw. 31(2): 228-238 (2005)
	2004
1		Luc Giraud, Serge Gratton, Julien Langou: A Rank-k Update Procedure for Reorthogonalizing the Orthogonal Factor from Modified Gram-Schmidt. SIAM J. Matrix Analysis Applications 25(4): 1163-1177 (2004)

Coauthor Index

1	Emmanuel Agullo	[28] [31] [33] [34] [35] [40]
2	Thara Angskun	[4]
3	Cédric Augonnet	[40]
4	Marc Baboulin	[16] [21] [27]
5	David Bindel	[10]
6	George Bosilca	[3] [4] [7] [12] [18] [22] [25] [39]
7	Aurelien Bouteiller	[39]
8	Henricus Bouwmeester	[30] [31] [33] [37] [38]
9	Alfredo Buttari	[8] [10] [11] [14] [15] [17] [19] [20] [21] [24] [27]
10	Henri Calandra	[41]
11	Andrew Canning	[5] [6]
12	Franck Cappello	[35]
13	Zizhong Chen	[4] [7] [12]
14	Camille Coti	[28] [34] [35]
15	Anthony Danalis	[39]
16	Remi Delmas	[22] [25]
17	James Demmel	[10] [23] [42]
18	Jack Dongarra (Jack J. Dongarra)	[3] [4] [5] [6] [7] [8] [10] [11] [12] [15] [17] [19] [20] [21] [22] [24] [25] [26] [27] [28] [29] [31] [32] [33] [34] [35] [36] [39] [40]
19	Victor Eijkhout	[7] [14]
20	Graham E. Fagg	[3] [4] [7]
21	Mathieu Faverge	[36] [39] [40]
22	Salvatore Filippone	[14]
23	Valérie Frayssé	[2]
24	Erika Fuentes	[7]
25	Edgar Gabriel	[4]
26	Luc Giraud	[1] [2] [13] [16]
27	Serge Gratton	[1] [2] [13] [16] [41]
28	Laura Grigori	[23] [42]
29	Ming Gu	[10]
30	Fred G. Gustavson	[29] [32]
31	Azzam Haidar	[39]
32	Thomas Hérault	[28] [34] [35] [36] [39]
33	Yozo Hida	[10]
34	Mark Hoemmen	[23] [42]
35	Mathias Jacquelin	[37] [38]
36	William Kahan	[10]
37	Daniel Kressner	[9]
38	Jakub Kurzak	[8] [10] [11] [15] [17] [19] [20] [21] [24] [27] [31] [33] [39]
39	Julie Langou	[8] [10] [15] [21] [27]
40	Pierre Lemarinier	[39]
41	Xiaoye S. Li (Xiaoye Sherry Li)	[10]
42	Hatem Ltaief	[39] [40]
43	Piotr Luszczek	[7] [8] [10] [11] [15] [21] [27] [39]
44	Osni Marques	[10]
45	Beresford N. Parlett	[10]
46	Sylvain Peyronnet	[35]
47	Xavier Pinel	[41]
48	Jelena Pjesivac-Grbovic	[7]
49	Ala Rezmerita	[35]
50	E. Jason Riedy	[10]
51	Yves Robert	[36] [37] [38]
52	Lee Rosenberg	[31] [33]
53	Keith Seymour	[7]
54	Stanimire Tomov	[5] [6] [10] [11] [21] [27] [40]
55	Sathish S. Vadhiyar	[7]
56	Xavier Vasseur	[41]
57	Christof Vömel	[10]
58	Lin-Wang Wang	[5] [6]
59	Jerzy Wasniewski	[29] [32]
60	Asim YarKhan	[39]
61	Haihang You	[7]

Colors in the list of coauthors

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