High performance serialization: Java vs Google Protocol Buffers vs …?

Question

For some caching I\'m thinking of doing for an upcoming project, I\'ve been thinking about Java serialization. Namely, should it be used?

Now I\'ve previously writt

Answer 1

One more data point: this project:

http://code.google.com/p/thrift-protobuf-compare/

gives some idea of expected performance for small objects, including Java serialization on PB.

Results vary a lot depending on your platform, but there are some general trends.