> Harmony implementation is rather inefficient. A lot of stuff have been fixed or improved from the original Harmony code over the years, performance-wise the

> Harmony implementation is rather inefficient. A lot of stuff have been fixed or improved from the original Harmony code over the years, performance-wise the android implementation of the core library and the openjdk implementation are now similar (openjdk has a few more intrinsics and makes a more liberal use of native methods).