⁣Sent from BlueMail ​ On 25 Aug 2018, 18:14, at 18:14, Radon Rosborough wrote: >> If the messages are just printed in the message buffer it shouldn't >> impact too much the startup time I think. > >To do the kind of analysis you are talking about, one would have to >hook into really basic subroutines like `setq`. I don't have any >numbers to back this up, but that sounds like it would be a massive >slowdown for all Elisp code. Alternatively, you'd have to do a lot of >heavy static analysis because what defines a "outdated, deprecated, or >useless" setting is actually quite nebulous and complicated. > >I do actually think this is an interesting idea, but it would >definitely best be implemented as either a third-party package or some >optional user library in core that either does static analysis or >allows one to load the init-file with profiling enabled like ESUP [1] >(or both). > >> a number of people find even an extra 0.5s-1.0s in startup to be >> significant > >I am one of those people, and actually I find even an extra 50ms of >startup time to be unacceptable unless there's a good reason for it. >My ~5,000 line configuration [2] which pulls in ~130 packages takes >only ~250ms to load, according to a startup profiler -- meaning 0.6s >to go from nothing to a full graphical frame. > >Why bother with the Emacs server when you can just make Emacs start up >as fast as Vim? ;) > >[1]: https://github.com/jschaf/esup >[2]: https://github.com/raxod502/radian