A hierarchical transformer preconditioner with H-matrix structure and cosine-Hutchinson training delivers up to 2.7x speedup over prior neural methods on stiff multiphase Poisson systems up to N=16384.
In Advances in Neural Information Processing Systems 30 (NIPS 2017)
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Hierarchical Transformer Preconditioning for Interactive Physics Simulation
A hierarchical transformer preconditioner with H-matrix structure and cosine-Hutchinson training delivers up to 2.7x speedup over prior neural methods on stiff multiphase Poisson systems up to N=16384.