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4位浮点数 FP4

FP4是一种仅使用4位存储的浮点数格式，在内存受限场景下具有应用价值，但其精度和动态范围非常有限，通常需要与其他技术结合使用。

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  • 4-bit floating point FP4

    2.0

    FP4 is a 4-bit floating point format that represents a significant reduction from traditional 32-bit and 64-bit floating point standards. This compact format enables more efficient storage and computation in resource-constrained environments like edge devices and AI accelerators.

  • Gaussian distributed weights for LLMs

    2.0

    This post examines the NF4 4-bit floating point format and higher precision analogs used for quantizing LLM weights. NF4 and FP4 are common 4-bit data types in bitsandbytes, often found in weights downloaded from Hugging Face.