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Multi-axis decomposition of density functional program for strong scaling up to 82,944 nodes on the K computer: Compactly folded 3D-FFT communicators in the 6D torus network

Cluster ComputingEngineeringGraph TheoryPhysicsDensity Functional ProgramComputer EngineeringNetwork AnalysisMulti-axis DecompositionTorus NetworkParallel ComputingLarge-scale NetworkNetwork Topology