alt Hacker NewsCurrently on this machine: using 900MB of RAM, including all language servers, with nine open projects - that is pretty phenomenal. VSCode could barely keep one open with the same memory.
The perception of 'fast' is very subjective. To me having a smooth, jitter-free UI, low input latency, and instant startup, all matter a lot.
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I understand wanting your software to be well optimized, but at no point in my years of using VSCode have I ever actually had to care about how much RAM it's using. I have 32GB, I'm going to use it.
But why have 9 open projects?
Like the vast majority of the time I have one. If I want to switch projects I close and then reopen.
On the other hand if it was smoother on one large project that would be an advantage.
VS Code is also offering significant more ability than Zed at the moment. If you want to sell RAM-usage as a phenomenal benefit, then you should compare it with similar editors, like Sublime or (Neo)Vim.
My experience with Zed differed. On Linux I found it to be very memory hungry.
A side effect of Electron crap, before Zed many editors and IDEs on Atari, Amiga, Windows, OS/2, BeOS, Mac OS, NeXTSTEP, were written in fully native code.
It's amazing that a gig of ram is considered lightweight for having 8 project dirs open in an editor, which normally means 8 tree views and a few open file tabs per project :)