6 ms·
The [Drunken Bishop](https://www.jfurness.uk/the-drunken-bishop-algorithm/ https://www.jfurness.uk/the-drunken-bishop-algorithm/) algorithm works well for this
by apnorton 5y ago
The [Drunken Bishop](https://www.jfurness.uk/the-drunken-bishop-algorithm/ https://www.jfurness.uk/the-drunken-bishop-algorithm/) algorithm works well for this purpose, without needing a GPU. :)