A Hermite-like basis minimizes neighbor data access in matrix-free DG SIP operators to one value and one derivative per neighbor on hexahedral elements via Jacobi roots and tensor products.
Kopriva, Implementing spectral methods for partial differential equa tions, Springer, Berlin, 2009
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A Hermite-like basis for faster matrix-free evaluation of interior penalty discontinuous Galerkin operators
A Hermite-like basis minimizes neighbor data access in matrix-free DG SIP operators to one value and one derivative per neighbor on hexahedral elements via Jacobi roots and tensor products.