-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Nic Roets schrieb: >> How do you number your tiles that 1 byte is enough to reference a tile? > > Most modern CPUs are quite slow at accessing variables smaller than > their word size (32 bits or 4 bytes). So I'd suggest to only resort to > 1 byte variables when it becomes clear an average sized city will not > fit into RAM.
Hello Nic, so you limit your map-size to single cities? I take it you want to do navigation for pedestrians then? I thought about navigating for cars between cities as even the smallest cell-phones can have a 2GB SD-card with a (commercial, compressed) map of europe. Marcus -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHQTn+f1hPnk3Z0cQRAtsAAKCBJ/kKmsX7Oh4G4tu3g32ydVWl6ACfe15x 7TgEwqZN/8DzhRvDEfd/mIU= =plP3 -----END PGP SIGNATURE----- _______________________________________________ Routing mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/routing
