title: Install pypy on a virtual environnement with Anaconda
body: <p>I am trying to treat a massive load of data in order to do some data-mining with Python. I have heard of a optimized python implementation called Pypy. I am having trouble getting Pypy working.</p>
  
  <p><strong>Environnement:</strong> I am using Anaconda 4.0.0 (64-bit) on a Linux CentOS distribution.
  According to the installation advice I had to use the portable version for this distribution. I tried to create an virtual environnement using virtualenv, which I install with Anaconda'a pip.</p>
  
  <p><strong>Issue :</strong> When trying to run Pypy I get the following result :</p>
  
  <pre><code>$ cd pypy_folder_root
  $ virtualenv -p bin/pypy my_env
  Running virtualenv with interpreter bin/pypy
  debug: OperationError:
  debug:  operror-type: LookupError
  debug:  operror-value: no codec search functions registered: can't find encoding
  debug: OperationError:
  debug:  operror-type: AttributeError
  debug:  operror-value: stdout
  </code></pre>
  
  <p>Maybe should I use the virtual environnements manager included in Anaconda (called conda). How can I create a new virtual env with Pypy as Python interpreter in it ?</p>
  
  <p>Thanks for your help</p>