The paper is annoyingly difficult to locate but the author's implementation is at https://github.com/oliver-giersch/looqueue-rs

Checkout the Nim-loony repo in the paper folder for the pdf.

Ah right, in the nim repo, not the authors one. Contains https://github.com/nim-works/loony/blob/main/papers/GierschE... indeed, thank you

So that work came after mine, and seems to be a FIFO not a ring buffer. The library I built at the time also had FIFOs and LIFOs that were tweaks on previous algorithms, but nothing earth shaking. I'll check this one out when I can though.