OK, I've noticed that the pseudo-code above is vectorised, and so there's no recursion. The SSM function is actually described at the start of the paper, and an

OK, I've noticed that the pseudo-code above is vectorised, and so there's no recursion. The SSM function is actually described at the start of the paper, and an efficient hardware-aware implementation is suggested in section 3: https://arxiv.org/ftp/arxiv/papers/2312/2312.00752.pdf https://arxiv.org/ftp/arxiv/papers/2312/2312.00752.pdf