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Sparse Days Meeting 2011

Sparse Days Meeting 2011 at CERFACS
September 6th-7th, 2011

 

We are as usual holding our annual Sparse Days at CERFACS but there are significant building works at CERFACS in May and June and so we will hold this year’s Sparse Days in September, the week after the ParCo and Europar meetings.

As is our custom, we try to have a focus on a topical theme. The “in topic” this year seems to be discussing and formulating strategies for developing software, algorithms, and libraries for the Exascale computers anticipated in 2018-2020 so we particularly welcome any contributions addressing this issue. However, as always feel free to present your latest ideas and work on exploiting sparsity.


 Registration (Deadline : August 22th)

As usual there will be no registration fee although you must register beforehand with Brigitte Yzel (Brigitte.Yzel@cerfacs.fr).

People wanting to speak should email Xavier Vasseur (Xavier.Vasseur@cerfacs.fr) with a title and abstract of up to one page in LaTeX or plain text. Normally talks would be for thirty minutes (including questions) but this could be negotiable (either way). We do not want to have parallel sessions so we will not necessarily be able to accept all submissions. A poster session will be available. Please let us know if you would prefer this mode of presentation.


Accomodation (Deadline : August 22th)

Some low cost accomodation is available but limited at Meteo residences. You should let us know as soon as possible whether you want to stay there. If you require assistance with accomodation you must let Brigitte Yzel know before the deadline: Brigitte.Yzel@cerfacs.fr.


 

Adobe_PDF_file_icon_24x24  Programme

Adobe_PDF_file_icon_24x24  List of Participants

Adobe_PDF_file_icon_24x24  Slides: click on the author’s name to download the slides

Cleve Ashcraft : On direct elimination of constraints in KKT systems
Alfredo Buttari :  On the memory behaviour of a multifrontal QR software for multicore systems
Mathieu Chanaud :  Parallel multigrid solver for time harmonic Maxwell equations
Riadh Fezzani :  BFD:a preconditioning technique using block filtering decomposition
Pavel Jiránek : Estimating the backward error in least squares problems
Amal Khabou  : Communication-avoiding LU factorization with panel rank revealing pivoting
Philip A. Knight  : Balancing to prescribed row and column sums
Murat Manguoglu :  Sparse matrix computations in arterial fluid mechanics
Esmond G. Ng :  A combinatorial problem in sparse orthogonal factorization
Ahmed Sameh : Towards a scalable parallel sparse linear system solver
Jennifer Scott  : An introductory look at the antibandwidth problem
Hanan Sheikh :  A scalable Helmholtz solver combining the deflation with shifted Laplace preconditioner
Masha Sosonkina : Memory affinity in sparse matrix-vector multiplications on multicore NUMA architectures

 

 

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Dr. Rosie Fisher, a researcher at CERFACS working on land surface modeling and terrestrial ecosystem dynamics, was named in the 2019 Web of Science "Highly Cited Researchers" list, which recognizes influential researchers of the past decade, as demonstrated by the authorship of highly-cited papers that rank in the top 1% by citations. Dr Fisher has been working in the Global Change group (GLOBC) at CERFACS since 2018 as part of a collaboration with the National Center for Atmospheric Research (NCAR) in Boulder, Colorado, where she was formerly a staff scientist.Read more


Sparse Days 2020

Brigitte Yzel |  25 November 2019

Sparse Days Meeting 2020 at Cerfacs, Toulouse June 11th-12th, 2020     The annual Sparse Days meeting will be held at CERFACS in Toulouse on 11th and 12th June 2020.  Registration for the Sparse Days is free but we ask people who are coming to register as soon as possible although the deadline is May 10th. Please register using the registration form. Although an emphasis will be on parallel aspects, any talk that has an association with sparsity is welcome. The length for a talk plus questions is 30 minutes although this is negotiable in either direction. Information on accommodation can be found on the web page.Read more

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