ROMA - 2019 - Annual activity report

ROMA

ROMA - 2019

Project-Team Roma

Team, Visitors, External Collaborators

Overall Objectives

Research Program

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

Application Domains

Applications of sparse direct solvers

Highlights of the Year

New Software and Platforms

MUMPS

New Results

Creation of the start-up “Mumps Technologies SAS”
Scheduling independent stochastic tasks under deadline and budget constraints
Online scheduling of task graphs on heterogeneous platforms
A generic approach to scheduling and checkpointing workflows
Limiting the memory footprint when dynamically scheduling DAGs on shared-memory platforms
Scheduling independent stochastic tasks on heterogeneous cloud platforms
Improved energy-aware strategies for periodic real-time tasks under reliability constraints
Multilevel algorithms for acyclic partitioning of directed acyclic graphs
A multi-dimensional Morton-ordered block storage for mode-oblivious tensor computations
Effective heuristics for matchings in hypergraphs
Karp-Sipser based kernels for bipartite graph matching
Efficient and effective sparse tensor reordering
High performance tensor–vector multiplication on shared-memory systems
Matrix symmetrization and sparse direct solvers
A scalable clustering-based task scheduler for homogeneous processors using DAG partitioning
Improving Locality-Aware Scheduling with Acyclic Directed Graph Partitioning
Replication Is More Efficient Than You Think
Generic matrix multiplication for multi-GPU accelerated distributed-memory platforms over PaRSEC
Reservation strategies for stochastic jobs

Bilateral Contracts and Grants with Industry

Bilateral Contracts with Industry

Partnerships and Cooperations

National 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

Creation of the start-up “Mumps Technologies SAS”

In January 2019, Jean-Yves L'Excellent left the ROMA team to co-found with Patrick Amestoy and Chiara Puglisi the company “Mumps Technologies” around the free software library Mumps (Cecill-C licence). Mumps solves large systems of sparse linear equations on high-performance computers in a robust and effective way. Mumps Technologies carries on collaborations and R&D activities to keep the Mumps software library state-of-the-art and freely available, while offering to its clients a set of services.

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