wip: footpath component preprocessing

[felixguendling]

No description provided.

[felixguendling]

Paris dataset from motis-project/motis#446 (comment)

Old:

New unlimited footpath length:

90 minute footpath length:

Routing results are a little bit shorter in some cases due to a bug in the old implementation.

With the 90 minute setting, times preprocessing time is quite short and memory usage is also significantly lower.

[felixguendling]

MOTIS Europe Demo import time:

time ./motis-fp --import.data_dir data-fp --mode test
real	2m54.626s
user	3m43.819s
sys	0m6.478s


time ./motis-master --import.data_dir data-master --mode test
real	2m59.268s
user	2m52.588s
sys	0m6.665s