$ python3 swargol.py --help
Usage: swargol.py [OPTIONS]
Render Conway's Game of Life via SDL2, unreasonably quickly.
Options:
--width=INT framebuffer width (default: 1280)
--height=INT framebuffer height (default: 720)
--vsync=BOOL enable vsync (default: True)
--fullscreen enable fullscreen
--drylife=BOOL use the non-standard "drylife" algorithm (default: True)
--slow use the very slow implementation (for benchmark comparisons)
--frameskip=INT only render 1-in-n frames to the screen (default: 1)
--num-procs=INT degree of parallelism (NB: number of actual threads will be 2n+1) (default: 8)
--bench-frames=INT render a certain number of frames and then exit (default: 0)
Other actions:
-h, --help Show the help
I've written an article explaining more about how and why this code works.