
Worked on the Xilinx/onnx-mlir repository to deliver compiler-level optimizations focused on improving graph compatibility and runtime performance. Developed a compile-time option to decompose the Hardswish ONNX operation into simpler ONNX ops, using C++ and MLIR to enhance flexibility and backend support. Additionally, implemented canonicalization and fusion of consecutive ONNXClip operations, reducing graph complexity and enabling more efficient execution. These changes contributed to cleaner intermediate representations and aligned with broader project goals of operator support and performance. The work demonstrated depth in compiler development, graph optimization, and integration with ONNX Runtime, emphasizing maintainability and extensibility in the codebase.
April 2025 (Month: 2025-04) - Xilinx/onnx-mlir delivered compiler-level optimizations that improve compatibility, graph simplicity, and potential runtime performance across backends. Key work centers were: (1) Hardswish decomposition implemented as a compile-time option with a default kernel dialect lowering path to improve compatibility and flexibility, and (2) canonicalization and fusion of consecutive ONNXClip operations into a single Clip to reduce graph complexity and enable more efficient backends. These changes are aligned with the project’s goals of broader operator support, cleaner IR, and improved end-to-end performance. Commits include bd070eac8977c73fa3e7c3cff1ebf8d32aa9645c (Decompose Hardswish into simpler ONNX ops) and 5e96d18023a1c20abbb0e9160c5288cd47e16925 (Fuse consecutive clips pattern).
April 2025 (Month: 2025-04) - Xilinx/onnx-mlir delivered compiler-level optimizations that improve compatibility, graph simplicity, and potential runtime performance across backends. Key work centers were: (1) Hardswish decomposition implemented as a compile-time option with a default kernel dialect lowering path to improve compatibility and flexibility, and (2) canonicalization and fusion of consecutive ONNXClip operations into a single Clip to reduce graph complexity and enable more efficient backends. These changes are aligned with the project’s goals of broader operator support, cleaner IR, and improved end-to-end performance. Commits include bd070eac8977c73fa3e7c3cff1ebf8d32aa9645c (Decompose Hardswish into simpler ONNX ops) and 5e96d18023a1c20abbb0e9160c5288cd47e16925 (Fuse consecutive clips pattern).

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