Luigi Nardi

Associé
Equipe MSDMA
Mail : lnalod at locean-ipsl.upmc.fr
http://www.locean-ipsl.upmc.fr/~lnalod/

High Performance Computing (HPC) allows scientists and engineers to solve complex problems using software that requires high bandwidth, low latency networking, high memory and high computing capabilities. This kind of software is often dedicated to numerical simulations in many fields such as meteorology, oceanography, computational finance, etc.. Over the last few decades, HPC has extended the range of phenomena that can be investigated within these research fields.

Variational data assimilation consists in estimating control parameters of a numerical model in order to minimize the misfit between the forecast values and the actual observations. This gradient based technique is used in geophysics inversion problems. To be applied, it first needs the computation of the adjoint model (transposed Jacobian matrix of the numerical model) a step usually expensive from an implementation point of view.

My research spans the area of HPC and variational data assimilation. The common thread throughout my work is the design and implementation of original software to solve complex problems. I have been working in research teams with a focus on applied mathematics, one of my goals being to work closely to the real world applications.

Publications

2012

Conférence Internationale avec comité de lecture

[NBF12]

L. Nardi , F. Badran , P. Fortin , S. Thiria - YAO: A Generator of Parallel Code for Variational Data Assimilation Applications, 2012 IEEE 14th Int'l Conf. on High Performance Computing and Communication (HPCC), June 2012, pp.224-232,

2011

Mémoire de Thèse

[Nar11]

L. Nardi - Formalisation et automatisation de YAO, générateur de code pour l'assimilation variationnelle de données., Soutenue le: 08 March 2011, pp. 147,

2009

Conférence Internationale avec comité de lecture

[NSB09]

L. Nardi , C. Sorror , F. Badran , S. Thiria - YAO: A Software for Variational Data Assimilation Using Numerical Models, International Conference on Computational Science and its Applications, ICCSA 2009, Seul, South Korea, June 2009, pp.Part II, 621-636, Series LNCS 5593,

Conférences Internationales sans actes

[NBT09

@conference {

NBT09,

title = "{YAO: toward an efficient data assimilation environment}",

author = " L. Nardi and F. Badran and S. Thiria ",

year = 2009,

note = "{note}",
}

] L. Nardi , F. Badran , S. Thiria - YAO: toward an efficient data assimilation environment, Ninth European Workshop on Automatic Differentiation - Sophia Antipolis, France,

2008

Atelier, Poster ou Démonstration dans une Conférence Nationale

[Nar08

@inproceedings {
Nar08,

title = "{YAO poster presentation at Colloque National sur l'Assimilation de Données, Paris, France, December 1-2.}",

author = " L. Nardi ",

year = 2008,

month = "January",
}

] L. Nardi - YAO poster presentation at Colloque National sur l'Assimilation de Données, Paris, France, December 1-2., January 2008,