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2019-06-21Gather interop moments in a more generic mannerAdrian Kummerlaender
i.e. return unshifted moments in a implicitly ordered float4 array. Cell positions are reconstructed by a vertex shaded analogously to how it is done in compustream.
2019-06-20Prototype OpenGL interoperationAdrian Kummerlaender
2019-06-17Extract population offsetAdrian Kummerlaender
2019-06-16Declutter gid and offset calculationAdrian Kummerlaender
2019-06-15Add support for generating a D3Q19 kernelAdrian Kummerlaender
Note how this basically required no changes besides generalizing cell indexing and adding the symbolic formulation of a D3Q19 BGK collision step. Increasing the neighborhood communication from 9 to 19 cells leads to a significant performance "regression": The 3D kernel yields ~ 360 MLUPS compared to the 2D version's ~ 820 MLUPS.
2019-06-15Consistently name population buffersAdrian Kummerlaender
2019-06-14Extract geometry informationAdrian Kummerlaender
2019-06-13Further the separation between descriptor and latticeAdrian Kummerlaender
2019-06-13Tidy up symbolic kernel generationAdrian Kummerlaender
2019-06-13Add kernel customization point for velocity boundariesAdrian Kummerlaender
2019-06-12Make it easier to exchange initial equilibration logicAdrian Kummerlaender
2019-06-12Move kernel template into separate fileAdrian Kummerlaender