gemini-code-assist[bot] commented on PR #18593: URL: https://github.com/apache/tvm/pull/18593#issuecomment-3677855564
## Summary of Changes Hello @Dayuxiaoshui, I'm Gemini Code Assist[^1]! 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 significantly enhances the `tile` operator within Relax by introducing its `FRelaxInferLayout` capability. This ensures that when an input tensor's layout changes (e.g., from NCHW to NHWC), the `tile` operation's `repeats` array is intelligently remapped to align with the new layout. The change supports both scenarios where the tiling results in the same number of dimensions or expands them, leveraging a robust axis mapping strategy. This improvement is crucial for maintaining correctness and flexibility in tensor manipulations across different data layouts. ### Highlights * **FRelaxInferLayout Implementation**: Implemented the `FRelaxInferLayout` function for the `tile` operator, enabling it to correctly handle layout transformations. * **Repeats Array Transformation**: The `repeats` array is now correctly transformed to match the new layout of the input tensor, using a `TransposeStrLike` approach similar to the `repeat` operator. * **Dimension Handling**: The implementation supports both cases where the output dimensions are the same as the input and where dimensions are expanded due to tiling. * **Test Case Addition**: A new test case, `test_conv2d_tile`, has been added to verify the `tile` operator's layout conversion, specifically from NCHW to NHWC. * **TODO Resolution**: The long-standing TODO comment at `src/relax/op/tensor/manipulate.cc:1932` regarding the implementation of `FRelaxInferLayout` for `tile` has been addressed and removed. 🧠**New Feature in Public Preview:** You can now enable **Memory** to help **Gemini Code Assist** learn from your team's feedback. 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