> A process VM, sometimes called an application virtual machine, or Managed Runtime Environment (MRE), runs as a normal application inside a host OS and supports a single process. ... Process VMs are implemented using an interpreter; performance comparable to compiled programming languages is achieved by the use of just-in-time compilation.
> Parrot is a register-based process virtual machine designed to run dynamic languages efficiently. It is possible to compile Parrot assembly language and PIR (an intermediate language) to Parrot bytecode and execute it.
(I quoted that one over Java and Python virtual machines because it uses the phase "assembly language" in the context of the VM.)
> A process VM, sometimes called an application virtual machine, or Managed Runtime Environment (MRE), runs as a normal application inside a host OS and supports a single process. ... Process VMs are implemented using an interpreter; performance comparable to compiled programming languages is achieved by the use of just-in-time compilation.
It points to several examples of process VMs. One is Parrot. Quoting from http://en.wikipedia.org/wiki/Parrot_virtual_machine :
> Parrot is a register-based process virtual machine designed to run dynamic languages efficiently. It is possible to compile Parrot assembly language and PIR (an intermediate language) to Parrot bytecode and execute it.
(I quoted that one over Java and Python virtual machines because it uses the phase "assembly language" in the context of the VM.)