Bug fix: fix duplicate launch in POD

[Edenzzzz]

📌 Description

Mistakenly added a duplicate kernel launch last time (actually by cursor, but should've checked more closely😂)
cc @yzh119

🔍 Related Issues

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Reviewer Notes

[gemini-code-assist]

Summary of Changes

Hello @Edenzzzz, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses a bug where a CUDA kernel for the POD (Product-of-Diagonals) attention mechanism was inadvertently launched twice. By removing the duplicate launch, the PR ensures the correct execution flow and eliminates an unnecessary computational step, contributing to the stability and efficiency of the attention implementation.

Highlights

• Bug Fix: Removed a redundant CUDA kernel launch within the PODWithKVCacheTensorDispatched function in pod.cuh, addressing a previously introduced duplicate operation.

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[gemini-code-assist]

Code Review

This pull request addresses a critical bug by removing a duplicated CUDA kernel launch. The fix is correct and necessary to prevent incorrect behavior and performance issues. The change is straightforward and I approve it.

[yzh119]

LGTM, thanks for the fix!