Special Issue Paper

Computer Science - Research and Development

, Volume 26, Issue 3, pp 275-283

First online:

Open Access This content is freely available online to anyone, anywhere at any time.

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

  • Wolfgang FringsAffiliated withForschungszentrum Jülich GmbH (FZJ) Email author 
  • , Michael HenneckeAffiliated withIBM Deutschland GmbH


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.


Parallel I/O Blue Gene GPFS