Smallissimo

Remember our clever trick of rotating the board 180° once 6th row is filled up? The possible positions of pieces were simple, just one case ...

Until there, we played with low level bit tricks, and have used the official ASCII board printing, but these bits are frustrating, we are in...

The shootout benchmark is written for Visualworks, so I tried to port the meteor contest in VW7.8 non commercial. Here are the required modi...

We have sped up individual loops enough and can now go back to a bit more reduction of combinations. Next idea is to detect more islands cas...

In previous step, we were at about 1,000,000 loops for only 10,000 productive. And we have about a factor 100 to gain compared to C++. I...