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Move FP8 to sglang #2366

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Move FP8 to sglang #2366

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HaiShaw
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@HaiShaw HaiShaw commented Dec 5, 2024

Motivation

Move FP8 layers definition to SGLang

Modifications

As it is.
Kernels come next.

Checklist

  • [+] Format your code according to the Contributor Guide.
  • [+] Add unit tests as outlined in the Contributor Guide.
  • [+] Update documentation as needed, including docstrings or example tutorials.

zhyncs
zhyncs reviewed Dec 5, 2024
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Except for vllm.model_executor.layers.quantization, LinearBase, and _custom_ops, everything else needs to be removed. Thanks!

python/sglang/srt/layers/quantization/fp8.py
per_tensor_dequantize,
requantize_with_max_scale,
)
from vllm.model_executor.parameter import ModelWeightParameter, PerTensorScaleParameter
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remove this

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This is still in use, will decouple and migrate later.

@HaiShaw HaiShaw requested a review from zhyncs December 6, 2024 04:04
@HaiShaw HaiShaw closed this Dec 6, 2024
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zhyncs commented Dec 6, 2024

move to #2370
All credit goes to @HaiShaw Thanks!

@zhyncs zhyncs mentioned this pull request Dec 7, 2024
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@HaiShaw @zhyncs @xiaobochen123 @merrymercy @ByronHsu