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      <title>超越随机性的迷思：FP4训练突破如何重塑AI算力经济学</title>
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      <description>本研究揭示了FP4训练不稳定的本质是结构性微缩放误差，而非随机性缺失。通过采用确定性变换策略，研究在AMD MI355X上跑通了全流程预训练，为进一步降低AI算力成本、推动低位宽训练范式提供了关键的技术路径。</description>
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