llama2.c runs on a 2006 iPod at 80MHz without an FPU

A developer built a Rockbox plugin running Karpathy's llama2.c TinyStories models on a 2006 iPod Video (80MHz ARM7TDMI, 64MB RAM, no FPU). The int8 version was rewritten for pure integer math; the 15M model is 17MB and loads from disk into the music buffer.

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