This sounds similar to what's been done to speedup FaaS cold starts - snapshot the VM after the startup code runs, then launch functions from the snapshot. E.g

This sounds similar to what's been done to speedup FaaS cold starts - snapshot the VM after the startup code runs, then launch functions from the snapshot. E.g., https://www.sysnet.ucsd.edu/~voelker/pubs/faasnap-eurosys22.pdf https://www.sysnet.ucsd.edu/~voelker/pubs/faasnap-eurosys22.....