Hi,
currently I'm trying to simulate scattering of a random surface. To deal
with it in meep (version 1.0), I cut the structure into 1.2e5 single
blocks on a 3D grid with 40M grid points. However if the number of
blocks exceeds some 10000, the parsing of the geometry suddenly slows
down significantly.
Ok, I found the mistake myself. Due to an interpolation error the blocks
where shifted reletive to the Meep grid. Therefore the block
boundaries did not coincide with the gridpoints, probably causing Meep
to do some heavy arithmetics.
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