Earlier quoted context omitted.
Anecdotal, but on my Intel/Windows laptop, VSCode opens instantly and has my sizable project loaded in I have one Electon app that I wrote myself and it's pretty fast as well even though it deals with a boatload of things, and I didn't really put any special effort in to achieve that. Both on my current laptop (which is admittedly a 10th gen i7) and my older one (8th gen i5). Not to say that Sublime doesn't load fast…
It doesn't open instantly on my work (Windows) desktop. But then I don't care as I generally open it and leave it open all day. Same with Spacemacs. because of the way processes are more expensive on Windows, Emacs/Spacemacs is many order of magnitude slower than it is on *nix (the other places I use it). I tolerate it as I can't live without magit and Org and other staples. I find the crappy Slack app (another Elect…
Look into emacsclient.