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"Our SLAM algorithm is notable for being able to run in real time with not just one, but three Ouster OS-1 devices at the same time, on a typical desktop computer CPU."

What SLAM algorithm is that? Anyone know?

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It's using ICP to register sucessive lidar scans. All three lidars are calibrated so the relative positions are known and the data from all three can be combined.

https://en.m.wikipedia.org/wiki/Iterative_closest_point

This alone isn't SLAM but can be used for odometry as part of a SLAM system.

... which is not surprising they can register in near real time. ICP is not that expensive.

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