How to apply

Production access


Projects that satisfy a scientific research objective. These projects undergo a full technical and scientific review. There are 2 calls for proposals per year with published opening and closing dates. In general, such calls are for experienced users. The codes needed by the project have to be available on the system requested and/or, in case of codes developed by the applicants, to have been sufficiently tested for efficiency, scalability, and suitability.

The testing could take place via proposals for preparatory access or in systems similar to the requested ones.

The upper limit for allocations for such projects is 100,000 to 200,000 core hours and access is given on Cyclone system. There must be a verifiable work plan for resource usage included in the proposal.

Currently there is no open call for Production Access. The last call closed on the 31st of July 2021 and access was given on the 1st of October 2021. The new call will be announced here once it opens.

Preparatory access

Projects whose software codes require porting, scalability testing, development or specialised assistance. These projects undergo only a light technical review. The upper limit for allocations for such projects is 20,000 core hours and 1000 GPU hours and access is given on Cyclone system.

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