Author

Jahyun Koo

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#artificial intelligence Preprint Sep 2026

BV Loss: Block Verification-Aware Loss for Block Diffusion Speculative Decoding

Block Verification-aware loss (BV loss), a training objective designed to maximize the expected acceptance length of a drafted sequence, outperforms tokenwise acceptance objectives such as TV loss and LK loss, and its gains extend to token verification and greedy decoding.

Suyoung Kim, Jahyun Koo, Hyeonjin Kim et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Carryover Drafting: Recycling Rejected States for Speculative Decoding

Carryover Drafting is introduced, a parallel draft--verify--draft training that exposes the drafter to inference-aligned rejected states while preserving parallelism across training positions.

Jahyun Koo, Sunghyeon Woo, J. Kil et al. · 1 citation