in reply to Re: Fastest way to merge (and de-dup) two large arrays?
in thread Fastest way to merge (and de-dup) two large arrays?

Hashes did the trick.

The function ends now in minutes instead of hours. I think initially I was trying to keep things ordered, when there was no real requirement to do so.

Way faster.

  • Comment on Re^2: Fastest way to merge (and de-dup) two large arrays?