Unverified50% confidenceFactExact time
选择性重计算由Korthikanti等人在2022年的Megatron-LM论文中系统研究，仅对注意力激活值做重计算可在额外计算开销不超过10%的条件下接近全量重计算的显存节省
1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
JAX主机卸载技术：突破LLM训练显存瓶颈的实战指南
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