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Application for Projects on JUQUEEN

Regular calls and calls for large-scale-projects

The GCS/NIC-call is open for project leaders, whose affiliation is in Germany (or is a foreign office of a German institution). Also eligible are German scientists if they are working in an international organisation with significant German participation (e.g. CERN, ESA, ESO) and do not have a permanent position there. Interested researchers from abroad (within Europe) are invited to apply via PRACE.

Project applications for JUQUEEN may be submitted by any scientist qualified in his or her respective field of research. Computing resources are allocated on the basis of independent referees' reports. Apart from the scientific relevance of the project, an important criterion for the allocation of computing resources is that the project can make efficient use of the computer and use a large number of processors in parallel for the simulations.

Please consider the following notes on the use of JUQUEEN:

The resources of this leadership-class system will be provided for a small number of grand challenge projects that will be selected in accordance with strict scientific standards. Resources will be allocated to the projects within the framework of an international reviewing procedure. The following criteria must be met by the projects in order to be eligible:

  • Scientific excellence.
  • Clear scientific goals and verifiable milestones on the way to reach these goals.
  • Preliminary studies that show good scaling behaviour of the program to very high processor numbers (at least 8192 cores) under production conditions (i.e. typical parameter sets and problem sizes of the planned project, including I/O). Contact for a test account.
  • A detailed and clearly arranged work schedule in form of a table or Gantt chart.
  • Well-founded and detailed demonstration of the required runtime of the program and the total required CPU time.

Please consult also the detailed technical guidelines for projects applying for JUQUEEN

The smallest amount of computing time that should be requested is 5 Mill. core hours.

Review process

Large-scale projects (35 million core hours or more) are peer-reviewed by a committee of the GCS. If approved they will get increased user support and preferential processing of their jobs.

Regular projects are peer-reviewed by a committee of the John von Neumann Institute for Computing (NIC) on behalf of GCS.


Computing time periods are yearly - with the possibility of application twice per year - and will begin on 1 May and on 1 November each year.

The next call for proposals will cover the period 1 May 2018 to 30 April 2019 and will open on 22 January 2018.
The deadline to answer this call will be 23 February 2018, 17:00 CET.

JUQUEEN is to be shut down by the end of March 2018 due to a system change and will therefore be available for five months only. After the shutdown of JUQUEEN, approved projects will be transferred to its successor, the remaining computing time will be appropriately converted with respect to the capacity of the upcoming system. The technical specifications of the new system are not yet determined by the time of writing.

Please, first prepare a detailed project description that you will have to upload to the electronic questionnaire as a pdf file. Follow the guidelines about form, content and size of the project description. Take particular care that

  • the estimate of the applied computing time is verifiable by the reviewer,
  • a plot is supplied that shows the scalability of the program under realistic production conditions, and that
  • you provide information on computing projects and applications for computing time you have with other supercomputing centres.

If you wish to add supplemental material to the project description (unpublished manuscripts etc.), please collect that in a second pdf-file. Also this file you will have to upload to the electronic questionnaire.

Please fill in the electronic questionnaire completely and attach the project description and - if necessary - the supplemental material as pdf files. Please also note that you have to provide technical information on your jobs, so have these data available (see  Additional data needed for JUQUEEN (PDF, 178 kB) ).

Electronic questionnaire (open 22 January - 23 February 2018, 17:00 CET)

 Template for Project Proposal for Tier 0/Tier1 HPC Access at GCS (PDF, 222 kB)
 Template for Project Proposal for Tier 0/Tier1 HPC Access at GCS (docx, 179 kB)
 Template for Project Proposal for Tier 0/Tier1 HPC Access at GCS as a TeX file (FileTypex-tar, 320 kB)

Please make sure that your data are complete and check them. Finally, please sign the application form and the PI agreement and send it by e-mail or by regular mail to the Coordination Office for the Allocation of Computing Time at JSC.


Coordination Office for the Allocation of Computing Time
Jülich Supercomputing Centre
Forschungszentrum Jülich
52425 Jülich