Update layernorm_gated.py

[chenxu214]

add activation attr

[gemini-code-assist]

Summary of Changes

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This pull request introduces a new activation parameter to the layer_norm_fwd_npu function. This modification enhances the function's flexibility by allowing an optional activation function to be passed, which can be utilized in subsequent processing steps within the layer normalization logic.

Highlights

• Function Signature Update: The layer_norm_fwd_npu function in layernorm_gated.py has been updated to include a new activation parameter with a default value of None.

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Changelog

• python/sgl_kernel_npu/sgl_kernel_npu/fla/layernorm_gated.py
  • Added the activation parameter to the layer_norm_fwd_npu function signature.

Activity

• No human activity has been recorded on this pull request yet.

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Code Review

The pull request adds an activation parameter to the layer_norm_fwd_npu function. However, the implementation is currently incomplete as the parameter is not utilized within the function body or passed to the underlying Triton kernel, meaning it has no effect on the computation.