igorw/conway-php — pull request #1 by camspiers (2014-01-18 08:03:05+00:00)
Title: Remove slow call to iter\filter and closure creation on each call

The change improves the performance significantly without losing
any readability.

Basic benchmark:

bin/conway run -n 100 examples/gosper-glider-gun.php

From:
real 0m17.290s
user 0m16.725s
sys 0m0.563s

To:
real 0m11.150s
user 0m11.136s
sys 0m0.013s