Revise PERFORMANCE.md now that constraint solutions are cached.
Revise PERFORMANCE.md now that constraint solutions are cached.

mjmasn/meteor,chasertech/meteor,mjmasn/meteor,mjmasn/meteor,mjmasn/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,chasertech/meteor,Hansoft/meteor,chasertech/meteor,Hansoft/meteor,chasertech/meteor,Hansoft/meteor,chasertech/meteor,mjmasn/meteor,chasertech/meteor,mjmasn/meteor,mjmasn/meteor,Hansoft/meteor,chasertech/meteor