把multi_tensor_scale_tensor接入到TE-NPU - #112
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问题
TE-FL 公共 ABI 定义了 multi_tensor_scale_tensor,而 TransformerEngineNPU 提供了相同的优化器实现。
然而,TE-FL NPU 后端没有适配器方法,也没有注册条目,因此 OpManager 无法为该操作选择 vendor.npu。
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范围
此补丁将现有的 TENPU 实现进行连接。内部 scale.item() 的转换保持不变。