3 ms·
I'm reminded of the crazy stunts from the 1980s where people would start some big, slow program (Emacs was huge!), dump core, and then "undump" to make a pre-in
by erik_seaberg 8y ago
I'm reminded of the crazy stunts from the 1980s where people would start some big, slow program (Emacs was huge!), dump core, and then "undump" to make a pre-initialized binary that would start as fast as the OS could read it. It actually worked, as long as it wasn't relying on open file descriptors, or signal handlers, or env vars, or …
- alexhutcheson 8y agoI’m pretty sure Emacs still does this. There was a patch committed to change it to use a more portable method of dumping state, but I don’t think that change made it into the 26.2 release.