HPC @ Uni.lu

High Performance Computing in Luxembourg

The University of Luxembourg operates since 2007 a High Performance Computing platform which currently features a total of nodes (in practice, computing cores) for a cumulative computing power estimated at TFlops.

The total raw storage capacity shared within the clusters is currently estimated at TB (NFS + Lustre).

The effective usage of this complex platform is not an easy task and requires both talent and system skills to understand the impact of our personal workflow on the global performance of the system.

The UL HPC team, together with leading computational scientists of the UL and HPC technologists will offer instructions and practical sessions on a variety of topics, including:

  • Access to and interaction with the UL HPC infrastructures
  • HPC challenges, especially as regards data and storage management
  • HPC workflow management (for sequential and parallel tasks)
  • HPC Programming and Usage of the main software available on the platform (Matlab, R, MPI, physics, chemistry, bioinformatics, BigData tools) and services using the platform
  • Software environment management
  • Virtualization on the clusters

The aim is to cover basic as well as advanced usage of the platform. Whether you have no HPC experience or are an advanced user, don’t miss this unique opportunity to learn more about the efficient usage of the system.

Important Pre-registration is required. No on-site registration will be accepted. Pre-registration will be accepted until Friday, June 9th, 2017. Registration Fees (200€) applies for UL externals and should be paid prior to the venue.

This fifth edition of the UL HPC School will take place on:
June 12th and 13th, 2017, on the Belval campus, “Location: Rooms TBA”

   Registration Portal


All sessions will take place at the Belval Campus.

Important You are expected to bring your laptop for all sessions since there will be no workstation available on site.

All tutorials proposed as practical sessions will be available on GitHub. The detailed program is available here.

Agenda - Day 1 (Monday, June 12th, 2017)

June 12th Main Track Presenter Advanced Parallel Track Presenter
9h00-10h00 PS1: Getting Started on the UL HPC platform C. Parisot    
10h00-10h30 Coffee break      
10h30-12h30 Keynote: Overview and Challenges of the UL HPC Facility at the Belval and EuroHPC Horizon S. Varrette    
12h30-13h30 LUNCH      
13h30-15h30 PS2: HPC workflow with sequential jobs (test cases on GROMACS, Java and Python) H.Cartiaux PS3: Advanced Scheduling (Slurm, OAR) and Software Customization V. Plugaru
15h30-16h00 Coffee break      
16h00-17h00 PS4a: UL HPC Monitoring in practice: why, what, how, where to look C. Parisot PS4b: Debugging, profiling and performance analysis V. Plugaru
17h00-18h30 PS5: HPC workflow with Parallel/Distributed jobs S. Varrette PS6: Bioinformatics workflows and applications S. Peter

PS = Practical Session using your laptop

Agenda - Day 2 (Tuesday, June 13th, 2017)

June 13th Main Track Presenter Advanced Parallel Track Presenter
9h00-10h30 PS7: Big Data Applications S. Varrette PS8: MATLAB (interactive, passive, sequential, checkpointing and parallel) V. Plugaru
10h30-11h00 Coffee break      
11h00-12h30 Keynote: Users’ session: UL HPC experiences      
12h30-13h30 LUNCH      
13h30-15h00 PS9: [Advanced] Prototyping with Python C. Parisot PS11: Multi-Physics workdflows (CFD / MD / Chemistry Applications) V. Plugaru
15h30-16h00 Coffee break      
16h00-17h30 PS10: R - statistical computing A. Ginolhac PS12: Virtualization H. Cartiaux
17h30-18h30 Keynote: Closing Keynote: Take Away Messages S. Varrette    

PS = Practical Session using your laptop

Practical information


The HPC school will be organized at the Belval campus of the University of Luxembourg.

University of Luxembourg, campus Belval
2, avenue de l’Université
L-4365 Esch-sur-Alzette
49°30’15.4”N 5°56’54.2”E (49.504268, 5.948397)


By intercampus shuttle

The University of Luxembourg is offering an Intercampus Shuttle service linking its main sites in Luxembourg-City and Belval. More information on go2.uni.lu

By bus

The following bus lines are servicing several stops on Belval Campus:

  • TICE Ligne 1: Esch - Belvaux - Lamadeleine;
  • TICE Ligne 2: Esch - Soleuvre - Differdange;
  • TICE Ligne 3: Esch - Belval - Bascharage - Niederedingen;
  • TICE Ligne 4: Belval - Esch - Schifflange - Kayl - Dudelange;
  • TICE Ligne 7: Belval - Esch - Lallange - ZARE;
  • TICE Ligne 15: Esch - Belval - Bascharage - Clemency;
  • RGTR Ligne 202: Luxembourg - Belvaux - Obercorn;
  • RGTR Ligne 203: Luxembourg - Soleuvre - Differdange;
  • RGTR Ligne 321: Luxembourg - Esch/Alzette - Villerupt (F);
  • RGTR Ligne 322: Esch - Rédange (F);
  • RGTR Ligne 325: Kirchberg - Hussigny (F);
  • RGTR Ligne transfrontalière 306: Trier (D) - Cloche d’Or - Belval;
  • RGTR Ligne transfrontalière 309: Perl (D) - Frisange - Belval.

More information: Mobilitait Zentral

By Train, “Belval-Université” Train Stop

Trains departing every 15 minutes from Luxembourg Central Station are direct to “Belval-Université” - line is connection-free via Esch-sur-Alzette. Get information on train schedules on the CFL’s website.

When on site, access to buildings is easy on foot.