<p>PyPy is a replacement for CPython. It is built using the RPython
language that was co-developed with it. The main reason to use it
instead of CPython is speed: it runs generally faster (see next section).</p>
<p><strong>PyPy 2.5</strong> implements <strong>Python 2.7.10</strong> and runs on Intel
<p><strong>PyPy</strong> implements <strong>Python 2.7.10</strong> and runs on Intel
<aclass="reference external"href="http://en.wikipedia.org/wiki/IA-32">x86 (IA-32)</a> , <aclass="reference external"href="http://en.wikipedia.org/wiki/X86_64">x86_64</a> and <aclass="reference external"href="http://en.wikipedia.org/wiki/ARM">ARM</a> platforms, with PPC being
stalled. It supports all of the core language, passing the Python test suite
(with minor modifications that were already accepted in the main python