'''[http://pypy.org/%|%pypy]''' is a fast, compliant alternative implementation of [Python] , and also a toolkit for creating dynamic language interpreters .



** Reference **

   [http://tratt.net/laurie/blog/entries/fast_enough_vms_in_fast_enough_time%|%Fast Enough VMs in Fast Enough Time] , Laurence Tratt ,2012-02-08 , 2012-02-07 :   

   [http://research.microsoft.com/apps/video/default.aspx?id=144687&r=1%|%PyPy's Approach to Implementing Dynamic Languages Using a Tracing JIT Compiler] , [http://cfbolz.de/%|%Carl Fridrich Bolz] , 2011-01-31 :   

   [http://morepypy.blogspot.com/2011/04/tutorial-writing-interpreter-with-pypy.html%|%Writing an Interpreter with PyPy, Part 1] , Andrew Brown :    



** Language Implementations  **

   [http://www.stups.uni-duesseldorf.de/w/A_Javascript_Interpreter_in_RPython%|%A Javascript Interpreter in RPython] , stephan Zalewski :    

   [http://convergepl.org/%|%Converge] :   a dynamically-typed [object orientation%|%object-oriented] [programming language] with compile-time metaprogramming facilities .  Put simply , Converge has a macro-like facility that can embed domain specific languages with arbitrary syntaxes into source files 

   [https://github.com/diiq/oyoy%|%Oyster] :   [Lisp]

   [pypy] :   [Python]

   [https://bitbucket.org/cfbolz/pyrolog%|%Pyrolog] :   [Prolog]

   [https://bitbucket.org/pypy/lang-smalltalk%|%Spy] :   [Smalltalk]/[Squeak]

   [http://www.topazruby.om%|%Topaz] :   [Ruby]




** Description **

pypy provides the ability to run untrusted code in a fully secure way.  It also
supports ''stackless mode'', providing micro-threads for massive concurrency.

pypy interpreters are written in [Rpython]






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