Slower than Python

[jerro]

On Saturday, 2 March 2013 at 19:42:47 UTC, Russel Winder wrote:
> On Sat, 2013-03-02 at 11:30 -0800, Walter Bright wrote:
>> On 3/2/2013 7:43 AM, Russel Winder wrote:
>> > For writing interpreters, RPython spanks C.
>> 
>> What's RPython doing that makes it faster?
>
> Allowing PyPy to have a good JIT compiler.

And why do you think this wouldn't be possible if it was written 
in C? There are fast JITs written in C.