Performance test run on Travis CI in a virtual machine
https://travis-ci.org/mzaks/FlatBuffersSwift
function called for decode+use+dealloc https://github.com/mzaks/FlatBuffersSwift/blob/master/FlatBu...
function called for direct: https://github.com/mzaks/FlatBuffersSwift/blob/master/FlatBu...
function called for using struct: https://github.com/mzaks/FlatBuffersSwift/blob/master/FlatBu...
Everything is on Github, you are welcome to try it out on your own machine.
How do you know? There is no data on the respective machines and environments. A number from a tweet and a number from a blog post do not make such data.