Why doesn't the JVM cache JIT compiled code?

Question

The canonical JVM implementation from Sun applies some pretty sophisticated optimization to bytecode to obtain near-native execution speeds after the code has been run a few

Answer 1

Excelsior JET has a caching JIT compiler since version 2.0, released back in 2001. Moreover, its AOT compiler may recompile the cache into a single DLL/shared object using all optimizations.