This sounds like it could be a good fit for mobile on iOS (I can't speak to android). If the app has significant startup costs, this lets you basically save a c

This sounds like it could be a good fit for mobile on iOS (I can't speak to android). If the app has significant startup costs, this lets you basically save a core dump of those structures that were slow to build. Then you could have an alternate fast startup mode that reads from a core dump.