Streaming 744 Billion Parameters from Disk
Colibri, a ~1300-line pure-C engine posted on Hacker News overnight, runs the 744B GLM-5.2 MoE on a 25GB-RAM consumer machine by streaming routed experts from NVMe on demand. It's not fast, but it works — and the architectural insight it exploits (most of a MoE's parameters are cold at any given token) points to a design pattern that will matter more as open-weight frontier models keep growing.
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