It is working very slow for me, and I only wrote a simple two word search term.
Maybe you should allow users to narrow down search into specific boards/topics only, that would certainly speed things up significantly.
You can also add search only for specific members to speed things even more.
I compared search using Ninjastic.space with new updated Talkserach with, and Ninjastic gave much better and faster results.

It is working very slow for me, and I only wrote a simple two word search term.
Maybe you should allow users to narrow down search into specific boards/topics only, that would certainly speed things up significantly.
You can also add search only for specific members to speed things even more.
I compared search using Ninjastic.space with new updated Talkserach with, and Ninjastic gave much better results.