It is kind of a bummer that MKL isn’t open sourced, as that would make inclusion in Linux easier. It is already free-as-in-beer, but of course that doesn’t solve everything.

Baffling that MS didn’t use it. They have a pretty close relationship…

Agree that they are sort of going after hard-to-use niche features nowadays. But I think it is just that the real thing we want—single threaded performance for branchy code—is, like, incredibly difficult to improve nowadays.