ROMA - 2012 - Annual activity report

ROMA

ROMA - 2012

Team Roma

Members

Overall Objectives

Application Domains

Application of sparse direct solvers

Software

MUMPS

New Results

Unified model for assessing checkpointing protocols at extreme-scale
Impact of fault prediction on checkpointing strategies
Combining process replication and checkpointing for resilience on exascale systems
On the complexity of scheduling checkpoints for computational workflows
Scheduling tree-shaped task graphs to minimize memory and makespan
Memory allocation for different classes of DAGs
Scheduling non-linear divisible loads
Energy-aware scheduling under reliability and makespan constraints
Approximation algorithms for energy, reliability and makespan optimization problems
Optimal algorithms and approximation algorithms for replica placement with distance constraints in tree networks
Throughput optimization for pipeline workflow scheduling with setup times
Semi-matching algorithms for scheduling parallel tasks under resource constraints
A Symmetry preserving algorithm for matrix scaling
On shared-memory parallelization of a sparse matrix scaling algorithm
Investigations on push-relabel based algorithms for the maximum transversal problem
On optimal and balanced sparse matrix partitioning problems
Constructing elimination trees for sparse unsymmetric matrices
Introduction of shared memory parallelism in a distributed-memory sparse multifrontal solver
Improving multifrontal methods by means of low-Rank representations
Parallel computation of inverse entries of a sparse matrix
Robust memory-aware mappings for parallel multifrontal factorization

Partnerships and Cooperations

National Initiatives
International Initiatives
International Research Visitors

Dissemination

Scientific Animation
Teaching - Supervision - Juries

Bibliography

Publications of the year
References in notes

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2012 Team Activity Report

ROMA

Optimisation des ressources : modèles, algorithmes et ordonnancement

Research centre: Grenoble - Rhône-Alpes

In partnership with: CNRS, Université Claude Bernard (Lyon 1), Ecole normale supérieure de Lyon

In collaboration with: Laboratoire de l'Informatique du Parallélisme (LIP)

Field: Networks, Systems and Services, Distributed Computing

Theme: Distributed and High Performance Computing

Keywords: Scheduling, Parallel And Distributed Algorithms, Combinatorial Optimization, Exascale Systems, Fault Tolerance