vkon,

Types are required in RPerl, and I believe they are optional in P2.

RPerl compiles low-magic Perl 5 source code into C/C++, there's just no way you can get faster than that, so we say RPerl is "very high performance". P2 is a JIT for high-magic Perl 5 and Perl 6 source code, it is based on the Potion VM and we say P2 is "high performance".

We will run full comparison benchmarks once RPerl v1.0 is complete, but the bottom line is that JIT dynamic compilation can never beat the speed of static compilation, all other things being equal.

Thank you for your generous pledge to support the future development of RPerl!

Perling,
~ Will the Chill

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