An implementation of the DD-$\alpha$AMG multigrid solver on Intel Knights Landing

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Mr Daniel Ritchmann (University of Regensburg )


We describe our experiences porting the Regensburg implementation of the
DD-$\alpha$AMG solver from the first-generation Intel Xeon Phi processor
(Knights Corner) to its successor (Knights Landing). We present the
performance of the code on a single processor as well as the scaling
behavior on many nodes of QPACE 3, which utilizes Intel's new Omni-Path

Primary author

Mr Daniel Ritchmann (University of Regensburg )

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