I wrote about this a few years ago, but didn't include an actual GPU implementation, just theory.
raphlinus.github.io/audio/2019/0...
Gosh, I miss having time to write blogs.
(Author’s note: I got slightly stuck writing this, so am publishing a somewhat unfinished draft, largely so I can get to the many other items in my blogging queue (there’s a thread on the xi Zulip for...