Add more __restrict__ qualifiers (they seem to have no impact on performance,
though).
Speed up propagation by reordering writes.
Use 8-byte bank size for shared memory for double precision simulations.
Add support for shuffle propagation.
Add a description for the AB propgation regression test.
Add an option to disable shuffle-based propagation.
Add comments in plot_util.
Simplify the 2D cylinder example.
Fix the consistent initialization mode.