Follow up from https://github.com/flutter/engine/pull/44990 We're spending a ton of time deallocating mostly empty maps, by reducing the number of maps we reduce the amount of memory used, and reduce map lookups.
Follow up from https://github.com/flutter/engine/pull/44990 We're spending a ton of time deallocating mostly empty maps, by reducing the number of maps we reduce the amount of memory used, and reduce map lookups.