[KongchangAI]
Unverified50% confidenceFactExact time

GPT-2引入了Pre-LN(前置层归一化)设计,相比原始Transformer的Post-LN,将LayerNorm置于残差块内部的子层之前,改善了深层网络的梯度流动稳定性

1
Sources
50%
Confidence
Long-term
Relevance
7/15/2026
First Seen

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