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Héméra is a INRIA large scale initiative , started in 2010, that aims at demonstrating ambitious up-scaling techniques for large scale distributed computing by carrying out several dimensioning experiments on the Grid’5000 infrastructure, at animating the scientific community around Grid’5000 and at enlarging the Grid’5000 community by helping newcomers to make use of Grid’5000. It is not restricted to INRIA teams.

Publications around Grid'5000 are available as a HAL collection.

Scientific Challenges

Scientific challenges concentrate effort of some partners on well defined issues, such as a particular experiment on Grid’5000. Scientific challenges are expected to be bound in time. However, a scientific challenge may contain several sub-challenges, typically representing various steps toward the ultimate challenges.

List of scientifc challenges

Working Groups

Working groups aims to animate a part of the community around scientific themes

List of working groups.


Some tools have been developped during the Hemera initiative to ease making experiments on Grid'5000. They are related to experiment workflow engines, experiment planification, virtualization, monitoring, storage, and network topology.



The current list of teams participating to Héméra is:

  • ACADIE - Assistance à la Certification d’Applications DIstribuées et Embarquées
  • ALGORILLE - Algorithms for the Grid
  • APO - Algorithmes Parallèles et Optimisation
  • ASAP - As Scalable As Possible: foundations of large scale dynamic distributed systems
  • ASCOLA - Aspect and composition languages
  • AVALON - Algorithms and Software Architectures for Distributed and HPC Platforms
  • CEDAR - Constraint Event-Driven Automated Reasoning
  • CC-IN2P3 - Equipe de recherche du Centre de Calcul de l'IN2P3
  • CEPAGE - Chercher et Essaimer dans les Plates-formes A Grande Echelle
  • DOLPHIN - Parallel Cooperative Multi-criteria Optimization
  • GRAAL - Algorithms and Scheduling for Distributed Heterogeneous Platforms.
  • GRAND-LARGE - Global parallel and distributed computing
  • ICPS - Scientific Parallel Computing and Imaging
  • KERDATA - Scalable Storage for Clouds and Beyond
  • OASIS - Active objects, semantics, Internet and security.
  • MAESTRO - Models for the performance analysis and the control of networks
  • MESCAL - Middleware efficiently scalable
  • MINC - MIcro et Nanosystèmes pour les Communications sans fils
  • MRS – Modélisation et contrôle des Réseaux et Signaux
  • MYRIADS - Design and Implementation of Autonomous Distributed Systems
  • REGAL - Large-Scale Distributed Systems and Applications
  • RESO - Protocols and Software for Very High-Performance Network
  • RUNTIME - Efficient runtime systems for parallel architectures
  • SAGE - Simulations and Algorithms on Grids for Environment
  • SEPIA - Distributed Systems, from Architecture to Middleware (formerly ASTRE team)
  • ZENITH - Scientific Data Management