Perl 6
Implementations: Revision 31
^ This is the rather outdated list of implementations of Perl 6 as of 2011

Please find more up-to-date information on

^ Original List with updated notices

There is no official or reference Perl 6 implementation, as exists with Perl 5. Instead, there is a language [specification] that began with [Apocalypses] and evolved through [Exegeses] and [Synopses]. Recently, the test suite is what actually defines the language properly. The [Synopses] and test suite continuously evolve together. Even though only one compiler is currently actively being developed, [Larry Wall] has clarified that anything that passes the test suite is Perl 6. With the feedback gained from the implementations, the [Synopses] and the test suite that forms the language [specification] are evolving. This page is about the various partial implementations that exist, which can parse and execute Perl 6. Virtual machines and runloops are excluded because they do not deal with Perl 6 source code.

* [Rakudo] is currently the only actively developed implementation. It is feature-rich and runs rather well. It used to run on [Parrot], a virtual machine for many dynamic languages. Nowadays, it runs on MoarVM and the JVM (Java Virtual Machine). A branch to port it to run on JavaScript compilers like v8 is also in development.

* "Niecza"<> used to be the fastest implementation by far. The development was lead by Stefan O'Rear. It is now very far from feature-parity with Rakudo, though.

* [Pugs] was the leading implementation from 2005 until about 2007. It runs on "GHC Haskell"<> and helped to develop the [test suite].

* [viv] is a derivation of [] for testing and bootstrapping purposes. A utility called "gimme5" creates viv by translating into Perl 5. This is possible because Larry very carefully wrote in a translatable subset of Perl 6.

* [Mildew] is a Perl 5 based compiler that embeds viv, and can emit code for several runtime engines, including JavaScript and [SMOP].

* [Sprixel] started out with viv as the source code parser and Google's V8 JavaScript engine as a runtime interpreter.

* [Elf] is a compiler written in Perl 6 with Perl 5 and Lisp backends.

* [vill] connects to the LLVM (Low Level Virtual Machine) compiler tools.

* [Perlito], formerly known as MP6 (mini Perl 6), is a Perl 6 subset build by Flavio Glock for bootstrap purposes.

* [KindaPerl6] (kp6)

* [v6] is a Perl 6 compiler for Perl 5.

[Historical Implementations] are definitely closed projects.

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