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Near-zero embeddings stall gated model training; new fixes proposed

A new paper identifies a critical training instability in gated sequence models, particularly those with untied embeddings. This issue, caused by near-zero input embeddings, can lead to extreme gradient amplification, exceeding FP32 limits and causing training to stall or gradients to become zero. The researchers propose two solutions: GroupClip for released checkpoints to decouple embedding clipping and GateFloor for pretraining to maintain positive gate values, both demonstrating significant improvements in stability and update retention. AI

IMPACT Identifies a critical training flaw in gated models, potentially impacting future model development and stability.

RANK_REASON The cluster contains a research paper detailing a novel technical issue and proposed solutions for language model training. [lever_c_demoted from research: ic=1 ai=1.0]

Read on Hugging Face Daily Papers →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Near-zero embeddings stall gated model training; new fixes proposed

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The cluster contains a research paper detailing a novel technical issue and proposed solutions for language model training. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. Hugging Face Daily Papers TIER_1 English(EN) ·

    Near-Zero Token Embeddings Silently Stall Training in Gated Sequence Models

    Near-zero input embeddings in untied gated language models cause extreme gradient amplification and training instability, which is addressed by GroupClip and GateFloor remedies.