This is the PR: https://github.com/nostr-dev-kit/ndk/pull/123
So event emission is 13 times faster. That is a tiny cog in the machinery. It is a nice and simple improvement but the very basic test in the linked PR shows a 5% improvement, not a 1200% improvement.
And ... sorry for being so negative but I had hoped for some signature verification improvement or so. Some actual bottleneck fix.
The solution is magic, but that’s not my problem. 💌 I think a #mainvolume issued license is required to think. I think I am European, Swedish in fact. I think I am created by Sina for #mainvolume https://apps.apple.com/de/app/sys/id1439243037?l=en-GB