PyPy
Anton Blomberg
anton@deadlock.se
What is PyPy and why should I use it?
What
Fast Python interpreter
Built in Python
Why
Fast
Drop-in replacement
Library compatible
Easy to install
Why
Fast
Drop-in replacement
Library compatible
Easy to install
PyPy vs CPython
PyPy is not getting slower
Why
Fast
Drop-in replacement
Library compatible
Easy to install
def hello(name):
print("Hello {}!".format(name))
if __name__ == '__main__':
hello("Anton")CPython
def hello(name):
print("Hello {}!".format(name))
if __name__ == '__main__':
hello("Anton")PyPy
Why
Fast
Drop-in replacement
Library compatible
Easy to install
Django
Flask
Bottle
Pylons
Pyramid
Twisted
lxml
Beautiful Soup
Sphinx
IPyton
PIL/Pillow
Psycopg2
MySQL-Python
pysqlite
pymongo
cx_Oracle
SQLAlchemy
Gunicorn
Requests
nose
pytest
celery
pip
Numpy
Scipy
Gevent
Why
Fast
Drop-in replacement
Library compatible
Easy to install
Installing
# Ubuntu
sudo apt-get install pypy
# Mac
sudo brew install pypy
# Windows
# Why would you even?Latest version x86/-64 and ARM binary archive downloads available for all platforms
How
Just-in-time compiler (JIT)
No reference counting
Native list types
Built in Python
How
Just-in-time compiler (JIT)
No reference counting
Native list types
Built in Python
JIT
Ahead of time vs Just in time
Static vs Dynamic
Method vs Tracing
JIT
-
Intepret program as usual
-
Detect hot loops
-
Trace
-
Compile
-
Execute
How
Just-in-time compiler (JIT)
No reference counting
Native list types
Built in Python
How
Just-in-time compiler (JIT)
No reference counting
Native list types
Built in Python
How
Just-in-time compiler (JIT)
No reference counting
Native list types
Built in Python
Who
Science project from 2002 by Armin Rigo
Funded by EU, PSF, Google, donations
2007: 1.0 released
2011: CPython compatible
2013: Python3
Challenges
C-Extensions
Killing the GIL
More languages
Questions?
Anton Blomberg
anton@deadlock.se
Thanks!
(please donate to PyPy!)
Anton Blomberg
anton@deadlock.se
What is PyPy and why should I use it?
By totalorder
What is PyPy and why should I use it?
Presented at Stockholm Python Usergroup November 2014, at Spotify