>By introducing a second layer of scheduling, the M-to-N model makes performance tuning to the model exceedingly difficult. Reminds me of Simon Marlow's work[1

>By introducing a second layer of scheduling, the M-to-N model makes performance tuning to the model exceedingly difficult. Reminds me of Simon Marlow's work[1] on tuning the Haskell runtime for a specific use at fb. [1] https://simonmar.github.io/posts/2016-12-08-Haskell-in-the-datacentre.html https://simonmar.github.io/posts/2016-12-08-Haskell-in-the-d...