from within Java, the Nashorn support for JSON can be accessed. However, doing so requires a roundtrip into Nashorn and back again, i.e. there is no Java-language level support for JSON parsing.

Thompson worked with a team to develop a reference implementation of SBE in Java, C++, and C# that was able to process about to process about 34,000 messages per second, or about 16-25 times faster ...