Implements parallel recursion for the partitioner
Fixes osrm-extract's -dump-partition-graph: accept no further tokens
References:
- http://www.boost.org/doc/libs/1_55_0/doc/html/boost/program_options/bool_switch.html
Pulls parameters through to make them configurable from the outside
Defaults are equivalent to:
./osrm-partition \
berlin-latest.osrm \
--max-cell-size 4096 \
--balance 1.2 \
--boundary 0.25 \
--optimizing-cuts 10
Fixes parallel_do call for Intel TBB 4.2 (Trusty): no range-based overload
Fixes issue #1864. Given the simple set-up:
a --> b --> c
^-----------|
This would translate into an edge based graph (ab) -> (bc),
(bc) -> (ca), (ca) -> (ab).
Starting at the end of the one-way street (ab) and going to
the beginning, the query has to find a self-loop within the
graph (ab) -> (bc) -> (ca) -> (ab), as both nodes map to the
same segment (ab).
