Official STL Hashmap is unordered_map, which is the fastest data container in CPP. This test is to show how close CrossDB performance to STL Hashmap and CrossDB

Official STL Hashmap is unordered_map, which is the fastest data container in CPP. This test is to show how close CrossDB performance to STL Hashmap and CrossDB query can be faster than Hashmap in large data set test.