If sampling is going to finish in 2 seconds or less, perhaps one could remove or reword this exclamation-point-containing message (“Adjust your expectations accordingly!”)?
Here’s a bit of the transcript I get from Stan (eight schools, very old computer):
Gradient evaluation took 1e-05 seconds 1000 transitions using 10 leapfrog steps per transition would take 0.1 seconds. Adjust your expectations accordingly!
As things stand, users are shown this message all the time. (These messages are sent via the
info method in the callbacks logger.)