Global Variables: Globals are frequently implemented as a top-level hash table even in modern, optimized language.

Seventy years after the invention of a data structure called a hash table, theoreticians have found the most efficient possible configuration for it.

According to Quanta, the paper demonstrates that for Krapivin's hash table method, the time required for worst-case queries and insertions is proportional to (log x)2, which is much faster than ...