Author

Sungeun Lee

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#artificial intelligence Preprint Aug 2026

A.X K2 Technical Report

To support long contexts efficiently, Sparse Gated Attention (SGA), which combines sparse attention with gated attention, and adopt Gated Norm (GN) to stabilize large-scale training is introduced, which keeps 4-bit NVFP4 serving within one point of FP8 accuracy.

Cheolseung Baek, Dhammiko Arya, Eunki Kim et al. · 0 citations