通过动态调节隐状态演化,提升大模型生成文本的连贯性与稳定性。
Latent Convergence Modulation in Large Language Models: A Novel Approach to Iterative Contextual Realignment
- 设计结构化调制机制,控制隐状态变化方向
- 降低困惑度波动与词汇不稳定性,提升长文本一致性
- 适合关注生成质量与逻辑连贯性的研究人员
自回归生成模型中,早期推理步骤的微小差异常导致长序列生成时语义漂移。本文提出一种结构化调制机制,用于调控变换器架构中隐藏状态的演变,确保潜在表示轨迹与先前上下文依赖保持对齐,同时保留生成灵活性。该机制在不引入外部记忆或大规模结构修改的前提下,动态约束表示演化。实证评估显示,该方法显著降低了困惑度波动、熵方差与词汇不稳定性,提升了长文本生成的连贯性。梯度传播分析表明,该调制过程使优化路径更平滑,减轻了权重更新的剧烈波动。计算效率评估表明,该机制在变换器中集成仅带来轻微开销,且兼容现有优化框架。此外,该约束还影响句法多样性,防止过度重复并维持均衡的句子长度分布。与基线模型的对比验证了受控的隐状态演化在提升代词指代、逻辑一致性与上下文对齐方面的关键作用。
原文摘要 · Abstract (English)
Token prediction stability remains a challenge in autoregressive generative models, where minor variations in early inference steps often lead to significant semantic drift over extended sequences. A structured modulation mechanism was introduced to regulate hidden state transitions, ensuring that latent representation trajectories remain aligned with prior contextual dependencies while preserving generative flexibility. The modulation framework was designed to function within transformer-based architectures, dynamically constraining representation evolution without imposing external memory dependencies or extensive architectural modifications. Empirical evaluations demonstrated that structured latent adjustments contributed to reductions in perplexity fluctuations, entropy variance, and lexical instability, improving coherence in long-form text generation. Gradient propagation stability was further analyzed, revealing that the modulation process led to smoother optimization pathways, mitigating erratic fluctuations in weight updates across successive inference steps. The computational efficiency of the modulation process was assessed, showing that its integration within transformer-based architectures introduced only marginal overhead while maintaining compatibility with existing optimization frameworks. The structured modulation constraints also influenced syntactic variation, preventing excessive repetition while maintaining balanced sentence length distributions. Comparative evaluations against baseline models reinforced the role of controlled latent state evolution in improving pronoun resolution, logical consistency, and contextual alignment across autoregressive text generation tasks.
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