Added u64_max and a definition necessary to make uint64_t work.

Signed-off-by: Marcin Zalewski <marcin.zalewski@gmail.com>
Modified bfs to work with distances.

This is an initial version.

Signed-off-by: Marcin Zalewski <marcin.zalewski@gmail.com>
Merged.

Signed-off-by: Marcin Zalewski <marcin.zalewski@gmail.com>
Cleaning up some output in the vector addition benchmark.
Merged.

Signed-off-by: Marcin Zalewski <marcin.zalewski@gmail.com>
Added a color-based and a distance-based bfs.

The two BFS's could be merged and selected at run time.

Signed-off-by: Marcin Zalewski <marcin.zalewski@gmail.com>
Merge branch 'master' into kernel-fusion
Fixing up dot product benchmark.