I parsed the OSM data for the map of Antwerp with about 700,000 nodes and 100,000 ways, skipping all the tags for now, in 0.8 seconds, using 47 MB of memory for the data structures OSMNodes, OSMWays and OSMRelations.
Because on Classic Mac OS a memory partition for one program is limited to 1 GB, this won’t be enough to keep the entire map of Belgium into memory, because the map of Belgium is around 30 times bigger than the map of Antwerp.
What would you recommend?