ROMA - 2014 - Annual activity report

ROMA

ROMA - 2014

Team Roma

Members

Overall Objectives

Research Program

Algorithms for probabilistic environments
Platform-aware scheduling strategies
High-performance computing and linear algebra

Application Domains

Application of sparse direct solvers

New Software and Platforms

MUMPS

New Results

Highlights of the Year
Cost-Optimal Execution of Boolean DNF Trees with Shared Streams
Efficient checkpoint/verification patterns for silent error detection
Assessing general-purpose algorithms to cope with fail-stop and silent errors
Scheduling the I/O of HPC applications under congestion
Power-aware replica placement in tree networks with multiple servers per client
Parallel scheduling of task trees with limited memory
Scheduling Trees of Malleable Tasks for Sparse Linear Algebra
Non-clairvoyant reduction algorithms for heterogeneous platforms
Memory-aware tree traversals with pre-assigned tasks
Analysis of Dynamic Scheduling Strategies for Matrix Multiplication on Heterogeneous Platforms
Determining the optimal redistribution
On the hierarchically structured bin packing problem
Heuristics for the bipartite matching problem
Fill-in reduction in sparse matrix factorizations using hypergraphs
On partitioning two dimensional finite difference meshes for distributed memory parallel computers
A symmetry preserving algorithm for matrix scaling
Direct solvers for sparse linear systems

Bilateral Contracts and Grants with Industry

Bilateral Contracts with Industry

Partnerships and Cooperations

National Initiatives
European Initiatives
International Initiatives
International Research Visitors

Dissemination

Promoting Scientific Activities
Teaching - Supervision - Juries

Bibliography

Publications of the year
References in notes

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Section: New Results

Highlights of the Year

Yves Robert was awarded the 2014 IEEE Technical Committee on Scalable Computing (TCSC) Award for Excellence.

In October 2014, CERFACS, ENS Lyon, INPT, Inria and University of Bordeaux launched a consortium around the software package MUMPS (see http://mumps-consortium.org ).

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