Welcoming Thomas Britte to the CÉCI team
Wednesday, 15 October 2025
We’re pleased to introduce Thomas Britte, who has joined us as our newest IT team member. Thomas will be working alongside the team to support our computing infrastructure and help ensure everything runs smoothly. Welcome aboard, Thomas!
New LYRA cluster joining the CECI infrastructure!
Tuesday, 06 May 2025
The LYRA GPU/HTC cluster is now part of our HPC platform!
- 40 virtual nodes, each fitted with an NVIDIA RTX 6000 (48 GB)
- 32 CPU cores per node (24 for CPU-only workflows)
For a minimal submission example, see the updated documentation.
14th CÉCI Users Meeting at ULiège on April 25
Monday, 03 February 2025
ULiège will host the 14th CÉCI Users Meeting on April 25, 2025, featuring talks on HPC in scientific research and the future of CÉCI infrastructures. The event offers a great opportunity for researchers to connect with CÉCI sysadmins and board.
Program and registration
Pieter Heremans is the new CÉCI logisticien
Sunday, 01 September 2024
We are happy to announce the hire of a new CECI logisticien: Pieter Heremans. Welcome Pieter!
Call for Compute Time on LUMI
Friday, 26 April 2024
A new call for compute time on the Belgian share of LUMI-C (CPU partition) and LUMI-G (GPU partition) is now open. Applications can be sent till 3rd of June 2024, 23h59.
Two types of applications are available:
- Regular access: Max 10 million CPU core hours or max 500.000 GPU hours, up to 12 months
- Preparatory access (development or benchmark): Max 500.000 CPU core hours or 25.000 GPU hours, 4 months (up to 12 months for development work)
More information available here
New CÉCI cluster: Lemaitre4
Friday, 08 March 2024
The new Lemaitre4 cluster featuring 40 nodes with 2x AMD EPYC 9534 64-Core CPUs is now available.
We are hiring an HPC system administrator
Monday, 29 January 2024
The CÉCI is hiring a new HPC system administrator.
See the full job description.
Quentin Glaude is the new CÉCI logisticien
Wednesday, 10 January 2024
We are happy to announce the hire of a new CECI logisticien: Quentin Glaude. Welcome Quentin!
New CÉCI infrastructure status page
Friday, 22 September 2023
In order to optimize the communication of small downtimes or degraded service periods, we have setup a “status” page that will list the current known issues on the CÉCI infrastructure. Users are invited to refer to that page in case they face some issue on the infrastructure. This page will allow reducing the number of emails sent to the mailing list when the message is not relevant for all CÉCI users.
The link is in the top banner of the website, between “Documentation” and “Support”.
Training sessions to start early October
Friday, 15 September 2023
The CISM and the CÉCI jointly offer, this year again, a complete training for super-computer users from a basic introduction to Linux to complex parallel computations with MPI. Registration is free but mandatory.
More info on the training page.
CECI Users Meeting 2023: Registration is open
Friday, 21 April 2023
The 12th CÉCI Users Meeting (Groupe de contact FNRS “Calcul Intensif”) will take place at UMons on Friday, April 21st afternoon.
This year the keynote presentation “Large Eddy Simulations of turbomachinery flows: from academic configurations to a full aircraft engine simulation” will be given by Dr. Florent Duchaine, Senior Researcher from CERFACS, Toulouse, France.
You can find more details and the registration form here.
First call for the Belgian fraction of LUMI compute time
Thursday, 07 April 2022
The first call for the Belgian fraction of the LUMI compute time is now open. You have until April, 22 (11:59 pm) to submit a proposal for a regular (up to 10 million CPU core hours) or preparatory (up to 500 000 CPU core hours) access.
All the details are available on the Belgian LUMI webpage.
Workshop: managing workflow on HPC clusters
Thursday, 03 February 2022
Thanks to a joint organization between CÉCI and VSC, we organize a PRACE workshop on managing workflow on HPC clusters that will take place on the 15 and 16 of February, 2022. During this workshop, you will discover tools to manage multiple tasks and jobs, how to automate packaging and deploying software, and some example from different research groups.
You can find more details and the registration form here.
Social media of the CÉCI
Wednesday, 17 November 2021
Two social media accounts are now available:
@ceci_hpc on Twitter, and cecihpc on Linkedin.
Feel free to subscribe to those accounts on your favorite social media, share the posts and mention the accounts when it is relevant.
Access to EuroHPC supercomputers is now open
Wednesday, 10 November 2021
The first call for proposals for the EuroHPC Joint Undertaking (EuroHPC JU) regular access mode is open. The call is continuously open with pre-defined cut-off dates (three per year) that will trigger the evaluation of the proposals submitted up to this date. The first cut-off date is Friday 3 December 2021, 10:00 AM CET.
You can find further details here.
LUMI Training - Practical course on the CUDA to HIP porting
Monday, 25 January 2021
CSC and the LUMI User Support Team organize their first training day that will focus on porting CUDA applications to HIP. This training aims to help the users to port their code to LUMI, the European pre-exascale supercomputer, that will achieve its high computing power thanks to a large number of nodes with AMD GPUs. This event will take place on February 26.
This session will provide an extensive dive into the Hipify tools, many examples and a hands-on session. If you’re developing your code with CUDA and wish to harness the computing power of LUMI in the future this training is a fantastic opportunity.
You can find further details and the registration form here.
NIC5 installed at ULiège
Wednesday, 13 January 2021
The new NIC5 HPC cluster is now available. It features 70 nodes with two 32 cores AMD EPYC Rome 7542 cpus at 2.9 GHz and 256 GB of RAM, 3 nodes with 1 TB of RAM, 520 TB of fast BeeGFS /scratch and a 100 Gbps Infiniband HDR interconnect (blocking factor 1,2:1), for a total of 4672 cores.
More information here
HERCULES2 installed at UNamur
Friday, 23 August 2019
The HPC cluster Hercules2 is now installed and available for use. It has a total of 1536 cores spread among 30 new nodes with AMD Epyc processors and 32 nodes with Sandy Bridge Intel Xeons which were kept from its predecesor Hercules.
With the new nodes going from 256 GB up to 2 TB of RAM, it is meant to take the place as the high memory CÉCI cluster. If you have large memory jobs to run, try it!
DRAGON2 installed at UMons
Tuesday, 23 April 2019
A new CÉCI cluster Dragon2 is now installed and operational at UMons. This is the second CÉCI cluster to be deployed as part of the renewal process which started last year.
It has a total of 592 cores of the latest generation SkyLakes Intel Xeon processors and there are two special nodes having each 2 high-end NVidia Tesla V100 GPUs.
11th CÉCI Scientific Meeting
Tuesday, 02 April 2019
The next CÉCI scientific day will take place on April 25th at ULB.
Program details here.
LEMAITRE3 installed at UCL
Monday, 04 June 2018
Lemaitre3 is now operational and replaces Lemaitre2, which will be decommissioned this Summer. It has 80 nodes (SkyLake 2.3 GHz, 24CPUs, 96GB RAM) interconnected with the Intel OmniPath Architecture and more than half a petabyte of scratch space.
Survey on Big Data and Machine Learning needs
Thursday, 03 May 2018
We are conducting a survey about current and future High Performance Data Analysis (HPDA) works & needs, covering BigData, DeepLearning, MachineLearning, AI & co. Research groups already active in those fields are our primary center of interest. However, those moving or intending to move into those fields are welcome to fill the survey too. Our objective is to identify concrete hardware and software requirements for the future CECI Vega2 cluster which will be oriented towards HTC (High Throughput Computing) and HPDA.
You are therefore cordially invited to follow this link and fill the survey.
10th CÉCI Scientific Meeting
Monday, 26 March 2018
The next CÉCI scientific day will take place on May 4th in Namur.
Details and registration here.
PRACE Call for Proposal
Friday, 16 March 2018
PRACE has issued the 17th call for Proposals. Deadline: 2nd May 2018, 10:00 CET; Stake: Single-year and Multi-year proposals starting 2nd October 2018; Resources: Joliot-Curie, Hazel Hen, JUWELS, Marconi, MareNostrum IV, Piz Daint and SuperMUC.
Let us know if you apply and participate!
Presentation by a CÉCI sysadmin at the FOSDEM'18 conference
Monday, 05 February 2018
UCL sysadmin Damien François gave a presentation at the latest FOSDEM'18 conference talking about the Open Source software stack powering UCL clusters.
A recording of the presentation is now available to see here.
PRACE Summer of HPC 2018
Wednesday, 31 January 2018
Applications are open to participate in the PRACE Summer of HPC Programme 2018. PRACE Summer of HPC is a PRACE outreach and training programme that offers summer placements at top HPC centres across Europe to late-stage undergraduates and early-stage postgraduate students. Up to twenty top applicants from across Europe will be selected to participate. The programme will run from 2 July to 31 August 2018.
Let us know if you apply and participate!
A CECI user pictured in the ULiège news!
Saturday, 23 September 2017
The ULiège website published a story (in French) about the work of Denis Baurain and his collaborators on the Tier-1 cluster Zenobe that lead to a publication in Nature Ecology & Evolution.
Ariel Lozano is the new CÉCI logisticien
Tuesday, 01 August 2017
We are happy to announce the hire of a new CECI logisticien: Ariel Lozano. Welcome Ariel!
20 000 000 core-hours on a PRACE cluster allocated to two CÉCI users
Sunday, 02 April 2017
UCL professors Gian-Marco Rignanese and Jean-Christophe Charlier have been granted 20 millions core-hours on Marconi KNL (CINECA, Italy). Congratulation to them!
Register for the Ninth CÉCI Scientific Meeting!
Tuesday, 21 March 2017
The ninth CÉCI scientific meeting day is organised in Louvain-la-Neuve on April 21st. More information and registration: see here.
The CÉCI common filesystem is ready
Friday, 03 March 2017
The CÉCI common filesystem is fully available on the 6 CÉCI clusters. For example, the partition /CECI/home/ is directly accessible from all the login and compute nodes on all the clusters. Make sure to try it out! More information here.
HPC event 2016: Registration is open
Wednesday, 14 September 2016
The October 10th 2016 HPC event organized by CENAERO, is open for registration. The presence of the Vice-President of the Government of Wallonia, Jean-Claude Marcourt, is confirmed. Take a look at the event program (in French). Attendance is free of charge, but registration is required.
We tested for you: Belnet Filesender
Tuesday, 02 August 2016
Belnet offers a file transfer service that you can use to send large files over the internet to colleagues or collaborators. To use it, simply go to
https://filesender.belnet.be/, choose your university, and enter your university identifier and password (the one that you typically use to access your emails or your university’s intranet.) Then you simply have to choose the file, enter the recipient’s email address, and your correspondent will recieve a link to your file that she can download. More information here.
HPC event. Save the date !
Wednesday, 06 July 2016
A HPC event is being prepared for October 10th 2016. The event is organized by CENAERO, the operator of Tier-1 supercomputer in Wallonia. The presence of the Vice-President of the Government of Wallonia, Jean-Claude Marcourt, is announced. More details on the content and the schedule will be communicated further. See more information (in French).
Visit of the Minister of Budget
Tuesday, 14 June 2016
The new data center dedicated to scientifc computing built in Louvain-la-Neuve has welcomed a visit of the European Investment Bank on June 14th. The group was led by the Minister of Budget of the Federation Wallonie-Bruxelles André Flahaut. He was accompanied by a representative of the F.R.S.-FNRS and a representative of the Minister of Higher Education. See more information here.
CÉCI sysadmins at Belnet event
Tuesday, 24 May 2016
Belnet is announcing their next Networking Conference to be held on Oct 25th in Brussels on their Twitter account using a picture from last year featuring CÉCI system administrators in the front row. See the tweet here.
Eighth CÉCI Scientific Meeting
Friday, 22 April 2016
The eighth CÉCI scientific meeting day was organised in Liège on April 22nd. Nine talks were scheduled to present HPC-related aspects of scientific research. See the program here.
Upcoming conference "e-Infrastructures in Belgium"
Sunday, 29 November 2015
The CÉCI co-organizes, in collaboration with Belspo, EWI, SPW, Belnet, and VSC, a conference dedicated to e-infrastructure (network, computing, storage) for scientific research on Monday 14th in Brussels. Registration is free but mandatory. More details here.
PRACE Call for Proposal
Thursday, 01 October 2015
PRACE has issued the 12th call for Proposals: ( deadline: 11th November 2015, 12:00 (noon) CET; stake: 1 year allocation starting: 14th March 2016 ; resources:Fermi and MareNostrum
Let us know if you respond and participate!
PRACE Call for Proposal
Friday, 14 August 2015
PRACE has issued a Call for Proposals for HPC Compute Resources from DECI-13 (Tier-1): deadline: 21th Sep 2015, 17:00 CEST ; stake: 1 year allocation starting: 18 Jan, 2016 ; resources: all Tier-1 machines.
Let us know if you respond and participate!