Re: Efficient bytecode design and interpretation

Michal Gajda <mg169780@zodiac.mimuw.edu.pl> writes:


> where can I find information about writting efficient bytecode
> interpreter? Or some at least comparison of a LOT of open source
> bytecode interpreters so that I could peep into their code?


I don't think there is any deep recent analysis of byte code designs.
Instead, you probably have to look at the individual interpreters and
compare them yourself. If you are interested in that approach, people
might want to help contributing documentation for the individual byte
code designs. E.g. the Python byte code documentation can be found
at


http://www.python.org/doc/current/lib/bytecodes.html


However, I'd like to suggest that efficiency of the interpreter is
*not* a matter of properly designing the byte code. Other aspects,
like memory management or thread-safety overhead matter much more for
interpreter efficiency. The closest thing to bytecodes with an impact
for efficiency is probably the quality of the just-in-time compiler,
if the interpreter uses any.


Regards,
Martin

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