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gmm/grouped_matmul/docs/aclnnGroupedMatmulWeightNz.md
aclnnGroupedMatmulWeightNz 算子的MxA8W4数据流的已经支持WeightQuantPreProcess接口，但是当前算子没有相关的example用例，需要补充
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Document Link（文档链接）
gmm/grouped_matmul/docs/aclnnGroupedMatmulWeightNz.md
Issues Section（问题文档片段）
Existing Issues（存在的问题）
aclnnGroupedMatmulWeightNz 算子的MxA8W4数据流的已经支持WeightQuantPreProcess接口，但是当前算子没有相关的example用例，需要补充