7c8793cbea
This greatly reduce the number of std::list generated by caching the result, which is always constant for each radius selected. In the callgrind map, you will see original: * 3.3M calls to std::list for 9700 calls to getFacePositions In the modified version, you will see: * 3.3K calls to std::list for 6900 call to getFacePositions Callgrind map is here: #2321 it's a huge performance improvement to l_find_node_near