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RoPE vs sinusoidal positional encoding, measured: 55 logits of drift against 0.0005

Take two token embeddings. Keep them exactly five positions apart and slide the pair down a 2048-token sequence. Under sinusoidal absolute position encoding the attention score for that one unchanging pair runs from -33.91 to +21.61 — a 55.5-logit spread that changes sign 157 times on the way. Unde…

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  1. 2026-10-01 11:15 · DEV Community — Machine Learning
    RoPE vs sinusoidal positional encoding, measured: 55 logits of drift against 0.0005

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