> For each referenced module load its symbol table into RAM. If implemented cleverly, this is literally one read() call. That might easily be a lot slower than

> For each referenced module load its symbol table into RAM. If implemented cleverly, this is literally one read() call. That might easily be a lot slower than building a huge hash table at the start. But there is a huge advantage to be had if the effort of building the large hash table can be shared between all files that are simultaneously built.