CPLM accused of reinventing Pointer Networks; author points to LM head gradient bottleneck link
yoavartzi · x · 2026-10-17
A lighthearted "Babe wake up, they reinvented pointer networks" meme sparked a real technical discussion about CPLMs. Critics noted the idea echoes Pointer Networks (Vinyals et al., 2015) and earlier work by Haw-Shiuan Chang and Andrew McCallum. Author @nthngdy acknowledged the lineage and gave a shout-out, but argued the contribution is scaling the idea to modern LLMs and showing its deep connection to the LM head gradient bottleneck.
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