A system level view of Petascale I/O on IBM Blue Gene/P

Authors:
Wolfgang Frings;Michael Hennecke
Affiliations:
Forschungszentrum Jülich GmbH (FZJ), Jülich, Germany 52425;IBM Deutschland GmbH, Düsseldorf, Germany 40474
Venue:
Computer Science - Research and Development
Year:
2011

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Abstract

Petascale supercomputers rely on highly efficient Petascale I/O subsystems. This work describes the tuning and scaling behavior of the GPFS parallel file system on JUGENE, the largest IBM Blue Gene/P installation worldwide and the first PetaFlop/s HPC resource within the European PRACE Research Infrastructure.