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New BMBF HPC Project GASPI

Within the 2nd BMBF call for "HPC software for scalable parallel computers", the GASPI project (Global Address Space Programming Interface) will be funded for a period of three years. The goal of the project is to develop a standard for an interface addressing communication between processors on parallel computers via a partitioned global address space (PGAS) guaranteeing interoperability with MPI. The GPI parallel interface, which was developed at the Fraunhofer Institute ITWM in Kaiserslautern, will serve as the basis for the work.

During the project, a high-performance library for one-sided and asynchronous communication will be developed. It supports the hiding of communication during run-time and therefore enables highly scalable parallel implementations. In addition, the performance analysis tool Vampir will be further developed to support GASPI features. Several application codes from the fields of climate research, CFD, molecular simulations and numerical libraries will be ported to the GASPI standard and evaluated.

The project is coordinated by T-Systems Stuttgart. The project partners are Forschungszentrum Jülich, the Fraunhofer Institutes ITWM in Kaiserslautern and SCAI in St. Augustin, KIT Karlsruhe, DLR in Göttingen, Technical University Dresden, DWD Offenbach and scapos AG in St. Augustin. JSC will provide a multi-scale particle simulation code, which will be ported to the GASPI standard and evaluated with respect to MPI and hybrid implementations.
(Contact: Dr. Godehard Sutmann, g.sutmann@fz-juelich.de)


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