GPU version is a lot faster, unsurprisingly
Start on GPU version
Save progress in brute.cc. Show best error for each count of non-squares in leaderboard
Finished 1x version of cyrillic supplement. Did some more anti-aliasing of 2x version. Improved some glyphs
Add Cyrillic supplement to Cyrillic codepage. Draw many of the 1x characters and anti-alias some for 2x. Improved a few assorted glyphs as well.
Bug fixes; cleanup; add tuning code, and tune
Generate quadtree masks, which works but hurts performance with these tuning parameters
Add quadtree mask serialization. Fix some warnings.