As someone else pointed out, there is a proper JIT now, but not too many people are especially concerned about boosting single threaded perf to say Java levels.

As someone else pointed out, there is a proper JIT now, but not too many people are especially concerned about boosting single threaded perf to say Java levels. It just isn't what big users of OTP are concerned with, per se. It would be cool if the JIT get really good, but I'm not holding my breath.