Record: SP8192 + Headwise Gated Attention + LeakyReLU2 + Legal TTT (val_bpb 1.2073)#1799
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3-seed mean 1.2073 BPB (std 0.0006) on 8xH100 SXM. SP8192 + headwise gated attention (original) + LeakyReLU(0.5)^2 + QK-Gain 5.0 + score-first TTT. MODEL_DIM=448, 16.4M params, ~15.34 MB artifact (under 16 MB budget). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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See records/track_10min_16mb/2026-04-24_SP8192_HeadwiseGate_LeakyReLU2_LegalTTT/README.md for full details.