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Blue Gene: Present and future architecture challenges

Presenter: Burkhard Steinmacher-Burow — IBM

In this presentation the new Blue Gene architecture (BlueGene/P) will be described. Architectural enhancements beyond BlueGene/L will be the focus. Performance estimates for lattice QCD on BlueGene/P will be given as well as potential avenues to further enhance performance.

Challenges for the future in the changing technology environment will be described as well as possible directions to address these challenges.