Edit: build with "release" variant
In short, ObjectBox is as fast as Orma in writing, and a little faster than hand-written code in reading.
As the announce above says, it is very fast both in writing and reading, esp. its reading speed is great!
Result on Xperia Z4, Android 6.0:
See the whole code for the benchmark.
(I don't merge this PR because it is just an investigation)
benchmark with ObjectBox