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A. Frommer et al., Adaptive Aggregation Based Domain Decomposition Multigrid for the Lattice Wilson Dirac Operator
Original
2014
Earlier work this paper cites.
P. Arts et al., QPACE 2 and Domain Decomposition on the Intel Xeon Phi
Original
2015
Earlier work this paper cites.

Similar

M. Bruno et al., Simulation of QCD with N f = {}_{f}= 2 + + 1 flavors of non-perturbatively improved Wilson fermions
Original
2015
Cited alongside, same era.
https://github.com/pjgeorg/pMR
Cited in the paper.

Then

S. Heybrock et al., Adaptive algebraic multigrid on SIMD architectures
Original
2016
Later among the works it cites.

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2017

pMR: A high-performance communication library

Georg, Peter, Richtmann, Daniel, Wettig, Tilo

Understand

On many parallel machines, the time LQCD applications spent in communication is a significant contribution to the total wall-clock time, especially in the strong-scaling limit.

We present a novel high-performance communication library that can be used as a de facto drop-in replacement for MPI in existing software.
Its lightweight nature that avoids some of the unnecessary overhead introduced by MPI allows us to improve the communication performance of applications without any algorithmic or complicated implementation changes.
As a first real-world benchmark, we make use of the pMR library in the coarse-grid solve of the Regensburg implementation of the DD-$\alpha$AMG algorithm.