optimize models generation, use a cache   - using 2 groups and 1 attendee in the Charge(), speeds up baseline of 9.6seconds to 5seconds
optimize models generation, use a cache
  - using 2 groups and 1 attendee in the Charge(), speeds up baseline of 9.6seconds to 5seconds

md1024/rams,magfest/ubersystem,md1024/rams,RAMSProject/rams,magfest/ubersystem,RAMSProject/rams,RAMSProject/rams,magfest/ubersystem,magfest/ubersystem,md1024/rams