cuda cleanup
mv copypad to copyunpad, optimize
optimize copypadmul
fix and cleanup anisotropy output
copyunpad: use 3D blocks, no kernel loop
copyunpad minor cleanup
copypadmul: use 3D blocks
use 32x32x1 3D block size
kernmul3d: use 3D blocks
add racetest.bash
exchange: fix twisted block size
exchange: use 3D blocks
zhang-li: use 3D blocks
2D kernmul: use make3Dconfig(z=1)
dmi: use 3D blocks
shift: use 3D bloks. Laste use of 2DConfig removed
minor cleanup
optimize stencil idx macro
main: add walltime
add flags for cuda thread config