Shared language-model layers make multi-token prediction cheaper and more direct

ECHO recursively reuses a model’s final layer to predict future tokens, reducing training overhead while supporting speculative decoding without a separately trained drafter.

Chinese Tech
Yuxuan Zhou · Junyuan Shang · Tianyu Wang · Chunrui Zheng · Zichang Liu · Wenbin Chang · +2 more

ERNIE Team, Baidu · Independent Researcher

Research Digest··2 min read
Zhou et al.

ECHO recursively applies the backbone model’s final layer to predict successive future tokens.

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