All news and events

CCPE – Paper Accepted for special issue

Paper accepted to a special issue of Concurrency and Computation: Practice and Experience (CCPE). This special issue will consist of extended versions of the best papers accepted by PPAM 2017. The title of the paper is “Parallel robust solution of triangular linear systems” Robust algorithms do not suffer from overflow and always return a valid result. In LAPACK eigenvectors (standard… Read more »

Posted in News and Events, Research - publications | Leave a comment

Working Note 20 have been uploaded

Working Note 19 have been uploaded: WN20 – Parallelization of the solve phase in a task-based Cholesky solver using a sequential task flow model, Sébastien Cayrols, Iain Duff and Florent Lopez The full list of published Working Notes can be found on this page: http://www.nlafet.eu/working-notes/

Posted in News and Events, Uncategorized, Working Notes updates | Leave a comment

Research poster award for Mawussi Zounon

Research poster award for Mawussi Zounon on exploiting the low precision floating-point arithmetic available on NVIDIA V100 GPU in solving linear system of equations. The title of the poster is “Using GPU’s FP16 Tensor Cores Arithmetic to Accelerate Mixed-Precision Iterative Refinement Solvers and Reduce Energy Consumption” with the authors Azzam Haidar, Stan Tomov, Ahmad Abdelfattah, Mawussi Zounon, Jack Dongarra

Posted in News and Events, Uncategorized | Leave a comment

Public Deliverables uploaded

Several deliverables have been uploaded: D3.2, D3.6, D4.3, D6.2, and D6.6. A full list, including links to all the public deliverables that have been posted until now can be found here: http://www.nlafet.eu/public-deliverables/

Posted in News and Events, Public deliverables | Leave a comment

SIAM PP18 – SIAM Conference on Parallel Processing for Scientific Computing

NLAFET sent several participants to SIAM PP18 (March 7-10, 2018) at Waseda University in Tokyo, Japan, where they presented some of their ongoing research.  Persons in italic made the presentation at the conference. Talks Dense Linear Systems for Extreme Scale  Jack J. Dongarra, University of Tennessee, ORNL, and University of Manchester, USA The Batched Blas abstract Sven J. Hammarling and… Read more »

Posted in Conferences and meetings, News and Events | Leave a comment

Working Note 19 has been uploaded

Working Note 19 have been uploaded: WN19 – Solving linear equations with messenger-field and conjugate gradients techniques – an application to CMB data analysis, Jan Papez, Laura Grigori, Radoslav Stompor The full list of published Working Notes can be found on this page: http://www.nlafet.eu/working-notes/

Posted in News and Events, Working Notes updates | Leave a comment

Working Notes 17-18 published and available.

Working Notes 17 and 18 have been uploaded: WN17 – Sparse direct solution on parallel computers, Iain Duff, Florent Lopez, and Stojce Nakov WN18 – An Auto-Tuning Framework for a NUMA-Aware Hessenberg Reduction Algorithm, Mahmoud Eljammaly, Lars Karlsson, and Bo Kågström The full list of published Working Notes can be found on this page: http://www.nlafet.eu/working-notes/  

Posted in News and Events, Working Notes updates | Leave a comment

Public Deliverables uploaded

During Q3-2017, several deliverables were uploaded. These belong to WP2 – WP7. A full list, including links to all the public deliverables that have been posted until now can be found here: http://www.nlafet.eu/public-deliverables/

Posted in News and Events, Public deliverables | Leave a comment

Swedish e-Science Academy 2017

At the recent Swedish e-Science Academy 2017, held at Umeå University 11-12 October 2017, NLAFET members presented 3 posters: A Task-Based Algorithm for Reordering the Eigenvalues of a Matrix in Real Schur Form, Mirko Myllykoski Blocked and Robust solution of triangular systems, Carl Christian K. Mikkelsen and Lars Karlsson An Auto-tuning Framework for a NUMA-Aware Hessenberg Reduction Algorithm, Mahmoud Eljammaly,… Read more »

Posted in Conferences and meetings, News and Events | Leave a comment

PPAM 2017

NLAFET sent several participants to PPAM 2017 (September 10-13, 2017), where they presented some of their ongoing research.  Persons in bold made the presentation at the conference. On the Tunability of a New Hessenberg Reduction Algorithm Using Parallel Cache Assignment – Mahmoud Eljammaly, Lars Karlsson and Bo Kågström Blocked Algorithms for Robust Solution of Triangular Linear Systems – Carl Christian… Read more »

Posted in Conferences and meetings, News and Events | Leave a comment

Working Notes 14-16 published and available!

WN14 – Experiments with sparse Cholesky using a parametrized task graph implementation, Iain Duff and Florent Lopez WN15 – PLASMA 17 Functionality Report Parallel BLAS and Norms, Linear Systems and Least Squares, Mixed Precision and Matrix Inversion, Maksims Abalenkovs, Jack Dongarra, Mark Gates, Azzam Haidar, Jakub Kurzak, Piotr Luszczek, Mawussi Zounon, Samuel Relton, Jakub Sistek, David Stevens, Ichitaro Yamazaki, Asim… Read more »

Posted in News and Events, Working Notes updates | Leave a comment

Working Note 11 posted

Working Note 11: Task-Based Parallel Algorithms for Eigenvalue Reordering of Matrices in Real Schur Form, Mirko Myllykoski, Carl Christian Kjelgaard Mikkelsen, Lars Karlsson, and Bo Kågström has been uploaded and can be found on the NLAFET Working Notes page.

Posted in News and Events, Working Notes updates | Leave a comment

Working Notes 12 and 13 uploaded

Working Note 12: Second Workshop on Batched, Reproducible, and Reduced Precision BLAS, Sven Hammarling and Working Note 13: Reducing the communication and computational costs of Enlarged Krylov subspaces Conjugate Gradient, Laura Grigori and Olivier Tissot, have been uploaded and can be found on the NLAFET Working Notes page.

Posted in News and Events, Working Notes updates | Leave a comment

Bo Kågström appointed SIAM Fellow 2016

The citation for his nomination reads; “Bo Kågström is Professor of Numerical Analysis and Parallel Computing and Director of High Performance Computing Center North (HPC2N) at Umeå University. Kågström has 25 publications in SIAM books and journals. He was a corresponding editor of the SIAM Journal on Matrix Analysis and Applications, was awarded the SIAM/SIAG Linear Algebra Prize in 2000,… Read more »

Posted in News and Events | Leave a comment

Postdoc and PhD positions in Parallel Computing for Extreme-Scale Systems, Umeå University

Department of Computing Science at Umea University, Sweden invites excellent candidates to apply for postdoctoral and PhD positions. The successful candidate(s) will join NLAFET, which is one of the high-profile extreme-scale computing projects funded by the European Commission within the recent FET-HPC call under Horizon 2020. NLAFET is coordinated by Umea University with international partners from INRIA (France), University of… Read more »

Posted in News and Events, Open positions | Tagged , , , | Leave a comment

Postdoc position in Numerical Analysis, STFC, UK

We are looking for a talented and enthusiastic researcher to join our Numerical Analysis research team within the STFC’s Scientific Computing Department for a three year period. The team is internationally known for its research into numerical linear algebra and optimization. The role involves both algorithmic research and the translation of this research into software. You will be working in… Read more »

Posted in News and Events, Open positions | Tagged | Leave a comment

NLAFET kickoff 9-10 November 2015

The NLAFET kick-off was held at the MIT building, Umeå University, Sweden. There were participants from all four partners. The conference was organized jointly by the Department of Computing Science and the High Performance Computing Center North (HPC2N). At the conference, the research project and its various components were presented and discussed. A key challenge for NLAFET, and for all… Read more »

Posted in News and Events | Leave a comment