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v0.9.0 — Modern architecture (RoPE, RMSNorm, SwiGLU)

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@cattolatte cattolatte released this 06 Jul 16:54
ba0584c

The decoder is now Llama-style from scratch — RoPE, RMSNorm, SwiGLU (configurable; GPT-2-style still available).

On tiny-shakespeare it reaches 2.08 bits/char (vs 2.11 GPT-2-style) at fewer params and ~2× faster convergence — see BENCHMARKS.md for the architecture ablation. RoPE is verified correct under the KV-cache; pre-v0.9 checkpoints still load.