Comment on PyPy v5.8 releasedparentComments−mkj9yI can't answer how numpypy is going, but Numba works pretty well for me to write fast numeric code in python. A bit restricted language and installing llvm is a bit of a hassle, but overall it's great.−ant6n9yThat's CPython and the reason you're not noticing its slow is probably because most of your time is spent computing inside compiled library functions.−maxerickson9yNumba is a Python compiler: http://numba.pydata.org/So the fast functions they are using are likely compiled, they aren't necessarily library functions.
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I can't answer how numpypy is going, but Numba works pretty well for me to write fast numeric code in python. A bit restricted language and installing llvm is a bit of a hassle, but overall it's great.
That's CPython and the reason you're not noticing its slow is probably because most of your time is spent computing inside compiled library functions.
Numba is a Python compiler: http://numba.pydata.org/
So the fast functions they are using are likely compiled, they aren't necessarily library functions.