@milend via twitter: "He's definitely running the Swift code in Debug mode as I saw numbers in the same ballpark." [1]
https://gist.github.com/anonymous/4df3610970891c6afc5a
https://gist.github.com/anonymous/7d7fcf0a5ce24c37999c
ObjC: 0.063209, Swift: 0.255287 (Release)
ObjC: 0.060600 Swift: 5.200207 (Debug)" [2]
[1] https://twitter.com/milend/status/474349620311883776
[2] https://twitter.com/milend/status/474354899527155712