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<h1 class="title">Success stories</h1>
<p>PyPy has been successfully used in production by various people. Here are
few excepts of feedback we received:</p>
<div class="section" id="lwn-short-experiment">
<h1>LWN short experiment</h1>
<p>LWN has a tool they use for parsing “git log”'s output in order to do analysis
on the contributors to the Linux kernel. Simply <a class="reference external" href="http://lwn.net/Articles/442268/">by switching to PyPy</a> they
were able to get a 3x speedup, from 63 seconds to 21 seconds, compared to
CPython.</p>
<p>“In other ways, PyPy is ready for prime time; it implements the (Python 2.x) language faithfully, and it is fast.”</p>
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<div class="section" id="myhdl">
<h1>MyHDL</h1>
<p>MyHDL got a speed up by <a class="reference external" href="http://www.myhdl.org/doku.php/performance">6-12x compared to CPython</a>, on a range of benchmarks,
putting it in the same league as other HDL implementations.</p>
<p>“By simply changing the Python interpreter, MyHDL is playing in the same league as Verilog and VHDL simulators. This is a remarkable achievement, given that Python's power stays completely available. There is no reason anymore to avoid MyHDL because of performance concerns.”</p>
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