On 12 Feb 2015 07:55, "R Schumacher" <rays@blue-cove.com> wrote:
>  >>> s='np.unpackbits(np.frombuffer(np.asarray(np.pi),
> dtype=np.uint8)).astype(np.int32)'
>  >>> timr(s)
> 0.000252470827292

I'm not sure what timr is, but you should check out ipython and its built in %timeit command, which is trivial to use but, because it uses the 'timeit' module, goes to extreme effort to get accurate times (minimizing timing overhead, performing multiple runs, etc.).