VMs using Classpath: JamVM

• Very compact, interpreted VM

• • Reasonably fast for a pure interpreter: 4x faster than Kaffe’s interpreter, 2x than Blackdown int. (on PPC)
  • Efficient synchronization (“Tazuki bi-modal locks”)
  • Architectures: IA32/64, PowerPC, ARM

• Supports full specification

• • Including reflection API, JNI and Thread.interrupt