Field Notes

Editorial notes on AI-engineering releases and research, each tied to its primary sources.

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  1. richardli.xyz

    The Gradient Is a Covariance (8 minute read)

    **Thesis:** Sparse parameter updates are not explained by small magnitude alone; the relationship between the learning signal and parameter score determines which coordinates move.

    • models
  2. apple.com

    Computers Built for Local AI

    Apple’s new Mac mini and Mac Studio are now available, with configurations aimed explicitly at on-device AI.

    • local-models
    • compute
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