Java > Scala

Walter Bright newshound2 at digitalmars.com
Fri Dec 2 11:51:16 PST 2011


On 12/2/2011 6:19 AM, dsimcha wrote:
> On 12/2/2011 3:08 AM, Walter Bright wrote:
>> On 12/1/2011 11:59 PM, Russel Winder wrote:
>>> (*) RPython is a subset of Python which allows for the creation of
>>> native code executables of interpreters, compilers, etc. that are
>>> provably faster than hand written C. http://pypy.org/
>>
>> Provably faster?
>>
>> I can't find support for that on http://pypy.org
>
> http://speed.pypy.org/

The charts on that page refuse to display in IE.

Nevertheless, it doesn't seem to compare against C, but against CPython.

> Not exactly rigorous mathematical proof, but pretty strong evidence. Also, I use
> PyPy once in a while for projects where speed matters a little but I want to
> share my code with Python people or want to use Python's huge standard library.
> Anecdotally, it's definitely faster. The reason has nothing to do with the
> language it's written in. It's because PyPy JIT compiles a lot of the Python
> code instead of interpreting it.



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