There are zero hits for 'blog' on the README and zero hits for the file name 'benchmark'. I suggest improving its discoverability.
There's a link in the README, but it is not named blog.
Here's the link to the numbers for your convenience:
https://www.tigerdata.com/blog/announcing-pg_vectorsearch-sc...
It’s there. Titled “Announcing pg_vectorsearch: Scalable Open-Source Vector Search in PostgreSQL”. In paragraph: “ The result: an index that is significantly faster”