Test with starting point at Dartmoor using research library (N-squared) matching algorithm and cache size 20

Cache is built using a square with sides 20 km. User's path has steps of (2000, 2000) metres, with a total of 11 retrievals. Amount of look-ahead (both E and N) is 20km. Cache size is 20. (Size is set as a fixed value, derived from original size of 77).

Point furthest from the centre of cache (27000000, 09000000) is 2589097, 0735721; distance away is: 19.8862 kilometres.

Results for Dartmoor (OS 250,070) using research library (N-squared) algorithm and 20 look-ahead
Threshold Total benchmark retrievals Retrievals lost
50% 0 0
20% 1 0
10% 13 5
5% 234 126

Non-default algorithm used was: Context Matcher with N-squared location-matching algorithm: version of Jan 4 2003.

Commentary on this starting point: the path crosses a wild moorland area.