PRACE opens Tier-1 for Tier-0 service

PRACE Preparatory Access is an established rolling Call for Proposals which supports researchers in Europe to port and adapt their applications to the PRACE Tier-0 infrastructure. The objective of PRACE Preparatory Access is to allow PRACE users to optimise, scale and test codes on PRACE systems, to prepare for Project Access. This new Preparatory Access (PA) Type D offers users to start the optimisation work on a PRACE Tier-1 national system to finally reach PRACE Tier-0 system scalability.

This service will bridge the gap between local university or site-specific computing resources and PRACE Tier-0 systems. The intermediate access to a Tier-1 national system, provided by PRACE partners, introduces a scaling level without having to face greater restrictions at the start of the optimisation work. It also helps to find the relevant bottlenecks which have to be solved to reach Tier-0 scalability.

In addition to computing time on a Tier-1 and finally a Tier-0 system, applicants will receive support by PRACE HPC experts of up to 6 person-months of effort. The expert will help to find relevant bottlenecks in the application and takes part in the optimisation work.

The maximum duration of Type D projects is 12 months. Applications for Preparatory Access (PA) Type D are evaluated and granted on a regular quarterly schedule together with the established PA Type C activity, with cut-offs for evaluations to be set in March, June, September and December.

The first cut-off for PA Type D will be 15th February 2017.

Further information can be found here:


For more information contact Marjolein Oorsprong, Communications Officer
Telephone: +32 2 613 09 27
E-mail: communication[at]

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