A Million Chess Boards (in a Single Process!)

As soon as i saw the title I knew it would be the checkbox guy What a cool guy

ЖSON my beloved

sorry, i had recording errors and obs was about to crash... so quality is not as good.

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"The board is row-major". I wonder if "column-major" would make more use of CPU caches because in chess pices usually move more up and down compared to left and right.

When you think your personal project was impressive…. That one guy

70 % of comments are bots... Prime is famous

38:28 the reason why you roll back to the last correct input is to ensure that the state is correct, an incorrect move will mess with the state so even if the following inputs are correct the state would not be since the incorrect input messed with that

When he was talking about the row reads and locks I was wondering if the boards were wrapped up in the row. So instead of having a row of pieces he has a row of boards which to me makes sense because it means each board data is contained in a single row. And then your stride would be some multiple of 64 and it would mean that if you were doing a horizontal subset of boards to return to the client you can do 1 slice per board row instead of 8 slices per pieces. You'd be looking at 8x better cache coherence

Dang! Even brought out the Flatbuffs! Respec'!