24-26 February 2016
SISSA, International School for Advanced Studies
Europe/Rome timezone
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Contribution List

Displaying 40 contributions out of 40
In this talk we examine how high performance computing has changed over the last 10-year and look toward the future in terms of trends. These changes have had and will continue to have a major impact on our software. Some of the software and algorithm challenges have already been encountered, such as management of communication and memory hierarchies through a combination of compile--time and r ... More
Presented by Jack DONGARRA on 25 Feb 2016 at 09:45
Generali is one of the most consolidated insurance company in Europe, looking ahead for innovative product development and new markets across the world. In order to better serve business lines as well as to identify customer valuable products, Generali created the Group Chief Data Office function, whose mission is to define and implement strategies and methods to acquire, analyze and govern data. ... More
Presented by Dr. Alberto BRANCHESI on 25 Feb 2016 at 14:30
Solving realistic, applied problems with the most modern numerical methods introduces many levels of complexity. In particular, one has to think about not just a single method, but a whole collection of algorithms: a single code may utilize fully adaptive, unstructured meshes; nonlinear, globalized solvers; algebraic multigrid and block preconditioners; and do all this on 1,000 processors or more ... More
Presented by Wolfgang BANGERTH on 25 Feb 2016 at 15:45
Session: HPC in science
Presented by Stefano SALON on 26 Feb 2016 at 11:35
Session: HPC in science
Presented by Sanzio BASSINI on 26 Feb 2016 at 12:15
Fincantieri is one of the leading ship design company in the world. In 2014 we deployed a HPC cluster that is mainly used to perform Computational Fluid Dynamics and Finite Element Analysis calculations. We equipped our cluster with a Citrix virtualization solution that allows our users to perform their pre-processing activities directly on a few reserved nodes on the cluster. CFD calculations are ... More
Presented by Dr. Gianluca GUSTIN, Dr. Giuseppe CHECHILE on 25 Feb 2016 at 14:45
Session: HPC in science
Quantum-mechanical simulations have become dominant and widely used tools for scientific discovery and technological advancement; since they are performed without any experimental input or parameter they can streamline, accelerate, or replace actual physical experiments. This is a far-reaching paradigm shift, substituting the cost- and time-scaling of brick-and-mortar facilities, equipment, and pe ... More
Presented by Nicola MARZARI on 26 Feb 2016 at 08:45
Session: HPC in science
The availability of cheap and abundant energy was one of the main drivers of the industrial revolution. Until today, energy remains an essential ingredient for many aspects of human activity. Is is recognized that a major challenge of our times is the transition towards sustainable energy conversion, moving away from carbon-based fossil fuels. Developing more efficient and cheaper ways to convert ... More
Presented by Ralph GEBAUER on 26 Feb 2016 at 09:25
Session: HPC in science
Presented by Massimo MASERA on 26 Feb 2016 at 15:15
Life sciences could benefit immensely from the massive growth of HPC processing power occurred in the last ten years. Indeed, complex biological systems are described by sophisticated mathematical models, whose solution requires highly scalable solvers. In particular, for what concerns cardiac electrophysiology, the simulation of the electrical excitation of the heart muscle, and the subsequent c ... More
Presented by Piero COLLI FRANZONE on 25 Feb 2016 at 16:45
The complex interaction between the cardiac bioelectrical and mechanical phenomena is modeled by a system of non-linear partial differential equations (PDEs), known as cardiac electro-mechanical coupling (EMC) model. Due to the extremely different spatial and temporal scales of the physical phenomena occurring during a single heartbeat, the discretization of the EMC model with finite elements in s ... More
Presented by Simone SCACCHI on 25 Feb 2016 at 17:15
Session: HPC in science
Multicenter numerical integration scheme for polyatomic molecules has been implemented as an initial step to develop a complete basis-set-free Hartree-Fock (HF) software. The validation of the integration scheme includes the integration of the total density and the calculation of Coulomb potentials for several diatomic molecules. A finite difference method is used to solve Poisson's equation for ... More
Presented by Mr. Fernando POSADA on 26 Feb 2016 at 10:00
The aim of this work is the development of a computational ecosystem for nearly real-time inversion of high spectral resolution infrared data coming from meteorological satellites. The ecosystem has been developed as nearly real-time demonstration project to elaborate the level 2 products derived from MTG-IRS
Presented by Stefano PIANI on 25 Feb 2016 at 15:00
Session: HPC in science
This thesis presents two experiences of hybrid programming applied to condensed matter and high energy physics. The two projects differ in various aspects, but both of them aim to analyse the benefits of using accelerated hardware to speedup the calculations in current science-research scenarios. The first project enables massively parallelism in a simulation of the Anderson localisation phe- n ... More
Presented by Jimmy AGUILAR MENA on 26 Feb 2016 at 15:35
Whenever a mathematical problem admits a boundary integral representation, it can be straightforwardly discretised by Boundary Element Methods (BEM). In this work, we present an efficient hybrid parallel solver for FSI problems based on collocation BEM. The major bottlenecks for a serial implementations of BEM is the computational cost and memory requirements needed to respectively assemble and ... More
Presented by Mr. Nicola GIULIANI on 25 Feb 2016 at 16:25
Session: HPC in science
SHYFEM is a finite element hydrodynamic code written by Georg Umgiesser in the 80s to model Venice lagoon for his master thesis; its development has been continued by CNR-ISMAR group. It is one of the few opensource codes for coastal areas that use a finite element approach. SHYFEM is a very important resource because it is focused on coastal areas and can be coupled it with other software in orde ... More
Presented by Eric PASCOLO on 26 Feb 2016 at 11:55
Session: HPC in science
We developed a parallel implementation of the “Density Peak” clustering algorithm, exploiting C++11, OpenMP and the FLANN library for k-nearest-neighbour search. The modified algorithm is approximately 50 times faster than the original version on datasets with half a million points, and scales almost linearly with the dataset size. Thanks to improvements on the density estimation and assignati ... More
Presented by Marco BORELLI on 26 Feb 2016 at 09:45
Presented by Stefano COZZINI on 25 Feb 2016 at 09:25
Session: HPC in science
Presented by Giuseppe MURANTE on 26 Feb 2016 at 11:15
Presented by Sandro SCANDOLO on 25 Feb 2016 at 11:00
Presented by Sandro SCANDOLO
Presented by Sandro SCANDOLO
Presented by Filippo SPIGA on 24 Feb 2016 at 17:00
Presented by Fabio AFFINITO on 24 Feb 2016 at 16:15
Session: HPC in science
Numerical simulations on supercomputers play an ever more important role in astrophysics. They have become the tool of choice to predict the non-linear outcome of the initial conditions left behind by the Big Bang, providing crucial tests of cosmological theories. However, the problem of galaxy and star formation confronts us with a staggering multi-physics complexity and an enormous dynamic range ... More
Presented by Volker SPRINGEL on 26 Feb 2016 at 10:45
Presented by Giuliano TAFFONI on 25 Feb 2016 at 11:45
Presented by Elisa MOLINARI on 25 Feb 2016 at 11:30
The exponential growth of computation is very close to an evolutionary step in the way we use HPC extending and expanding the class of problems they can address. The ongoing digital transformation and software containerization are enabling the use of HPC s in most of the fields of human activities. The new digital hyperconnected world need HPC scientists and not just only Data Scientist.
Presented by Roberto SIAGRI on 25 Feb 2016 at 14:00
Presented by Paolo GIANNOZZI on 25 Feb 2016 at 11:15
Session: HPC in science
Presented by Federico CARMINATI on 26 Feb 2016 at 14:15