Unverified50% confidenceFactExact time
三元表示理论上每个参数只需约1.58比特，相比FP16可以带来近10倍的存储压缩
1
Sources
50%
Confidence
Long-term
Relevance
8/5/2026
First Seen
Sources
Related Claims
Verified4-bit量化将每个参数压缩至0.5字节，理论上将140GB压缩至约35-40GB78% similarPartially Verified标准的FP32模型每个参数占用4字节，而INT4量化将其压缩至0.5字节，理论上可实现8倍的内存节省78% similarUnverified量化可将700亿参数模型的存储体积从FP16的约140GB压缩至INT4的约35-40GB，能在单张RTX 4090配合CPU内存卸载的消费级硬件上运行77% similarUnverifiedParquet列式存储压缩比通常达行式格式的3-10倍75% similarUnverified1750亿参数模型仅模型权重（BF16精度）就需350GB存储，Adam优化器需维护一阶矩和二阶矩两份状态，合计超过1TB75% similar
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