Dalvik virtual machine instruction set and architecture [closed]

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How does the Dalvik virtual machine compare to a real hardware platform such as X86 or ARM?

1. How many registers does Dalvik have?
   • 8 like the X86
   • 16 like most common CPUs
   • Infinity with register window like Parrot VM
2. What type of instruction is Dalvik more like?
   • RISC
   • CISC
3. How many Operands does Dalvik support?
   • Most have three though the X86 has only two?
4. What type is used in Dalvik?
   • Register-Register
   • Register-Memory
   • Register-Register/ Register-Memory
5. What type of Instruction encoding is used in Dalvik?
   • Variable
   • Fixed
6. How long are the instructions for Dalvik?
   • 8 bits
   • 16 bits
   • 32 bits
   • something else maybe?
7. How does the Dalvik VM compare as far as performance in comparison to real bare hardware?
8. Finally what Endianness is Dalvik?
   • Big
   • Little
   • Bi

Answer 1

How many registers does Dalvik have?

In dalvik's bytecode, registers are always 32 bits, and can hold any type of value. 2 registers are used to hold 64 bit types (Long and Double).

What type of instruction is Dalvik more like?

This link might help.

More about dalvik execution.