The fundamental problem with slow CI is developer's own context switch. If CI notifies me an hour later that my changes fail CI, I have might have to abandon m

The fundamental problem with slow CI is developer's own context switch. If CI notifies me an hour later that my changes fail CI, I have might have to abandon my flow, sort out the failure and commit/push again. Then get back into whatever I was doing. This can be very taxing for developer's time and mental well being.