https://mobile.twitter.com/htormey/status/114935339023051980...
Here is a video comparing start times for a Hermes/non Hermes RN app:
https://mobile.twitter.com/nparashuram/status/11493502142154...
I’m currently at Chain React in Portland and they just gave a talk on Hermes. I tweeted a few screenshots that show other perf numbers/technical details for those who are interested.