runs for different number of threads.

the vector.  Output the norms in high precision.

unlocked concurrent writes.

anything, i.e. there _are_ races.  For benchmarking the impact of locking.

base functions via the make file when compiling.

Conflicts:
	src/.gitignore
	src/Makefile.am
	src/advection_stationary.cc

subsampling, with 2^level samples.

[hybrid-grid.tex] Import from exadune/grid[feature/partitioned-gridview]@5017fbf1bc90d50b8be95819c00c0a418faa1f2d.

enable timings.

given shape function degree.

[advection instationary] Make it easy to build apps with different grid managers, dimensions and shape function degrees from the Makefile.

This was chosen because it uses DG, which allows higher order, and because it
is explicit, which avoids the use of ISTL solvers which are not my department™.

Copied from dune-pdelab-howto@8e279c442f300bdd96f059eab33d3873d4986e3b:/src/boilerplatetutorial/advection_instationary.cc