This is the twelfth progress report from the Wide Finder Project. It exists to host the excellent discussion so far from others; see the comments.

My Notes So Far · Check out the results, which I think are remarkable; JoCaml, a concurrent variant of a language often regarded as a CS-research toy, totally wiped the carpet with all other contenders. Near the top is a thread-oblivious implementation in Python, a language with no particular concern for concurrency. What do you think? If your thoughts are material, write ’em in your own space and link from the comments. I do have one specific question, which I hope to address at length: Which of these programs is the best?

Now let’s turn to others’ contributions; they are definitely worth reading: