ConwayLife.com

I've posted a short blog walking through the implementation of Hashlife in Python. I found it more challenging to implement than it first appeared (even with the help of Tomas Rokicki's article!) so someone might find this helpful.

This is an old topic, but here's some simple Python code which implements Paul Callahan's neat idea. This code prints generation 30 of the Gosper glider gun to the console.

It's not very fast (~100 gens/second on breeder.lif on my laptop), and it uses dictionaries (hash tables) rather than walking ...