
Xinyi Li contributed to the PaddlePaddle/Paddle repository by developing and optimizing deep learning compiler features focused on OneDNN integration, bfloat16 quantization, and dynamic shape handling. Using C++ and Python, Xinyi enhanced inference performance by upgrading OneDNN versions, introducing quantization passes for operations like Concat, and generalizing shape checks to support partially undefined tensors. Their work included refactoring placement logic, improving pattern matching for quantized workflows, and resolving critical bugs affecting repeated input handling. Through careful testing and compatibility upgrades, Xinyi ensured stable, efficient execution paths, demonstrating depth in compiler optimization, deep learning frameworks, and performance-oriented software development.

March 2025: PaddlePaddle/Paddle OneDNN integration stabilization and compatibility improvements. Stabilized the OneDNN execution path by ensuring OneDNNOperatorDialect is registered in IrContext and upgrading OneDNN to v3.6, with corresponding unit test adjustments to maintain compatibility. These changes reduce runtime errors when enabling OneDNN and improve CPU performance portability across platforms.
March 2025: PaddlePaddle/Paddle OneDNN integration stabilization and compatibility improvements. Stabilized the OneDNN execution path by ensuring OneDNNOperatorDialect is registered in IrContext and upgrading OneDNN to v3.6, with corresponding unit test adjustments to maintain compatibility. These changes reduce runtime errors when enabling OneDNN and improve CPU performance portability across platforms.
January 2025 monthly summary for PaddlePaddle/Paddle. Focused delivery on bfloat16 handling optimizations within the oneDNN integration, with an emphasis on performance and correctness in transform passes. Completed targeted refactors and pattern enhancements, and resolved a critical bug affecting repeated inputs in the bf16 pass. These efforts align with delivering faster, more reliable bf16 conversions and quantization workflows in Paddle.
January 2025 monthly summary for PaddlePaddle/Paddle. Focused delivery on bfloat16 handling optimizations within the oneDNN integration, with an emphasis on performance and correctness in transform passes. Completed targeted refactors and pattern enhancements, and resolved a critical bug affecting repeated inputs in the bf16 pass. These efforts align with delivering faster, more reliable bf16 conversions and quantization workflows in Paddle.
December 2024 monthly summary for PaddlePaddle/Paddle. Key feature delivered: OneDNN integration upgrades with bf16 quantization support for the Concat operation. Implemented a new inference pass that inserts quantize and dequantize around Concat to compute in bf16 with oneDNN, transforming inputs to bf16 for computation and converting back to the original dtype. This delivers faster inference and improved throughput for Concat-heavy models. Commits: d0f9dbb5440f95d8e7073fa58bb6924783ea0b51 (Upgrade oneDNN to v3.5), 1e9f2b363ce20c946b9790d388af72c701ee7b62 ([PIR][oneDNN] Add quantization pattern for Concatence).
December 2024 monthly summary for PaddlePaddle/Paddle. Key feature delivered: OneDNN integration upgrades with bf16 quantization support for the Concat operation. Implemented a new inference pass that inserts quantize and dequantize around Concat to compute in bf16 with oneDNN, transforming inputs to bf16 for computation and converting back to the original dtype. This delivers faster inference and improved throughput for Concat-heavy models. Commits: d0f9dbb5440f95d8e7073fa58bb6924783ea0b51 (Upgrade oneDNN to v3.5), 1e9f2b363ce20c946b9790d388af72c701ee7b62 ([PIR][oneDNN] Add quantization pattern for Concatence).
November 2024 monthly summary for PaddlePaddle/Paddle. Key feature delivered: OneDNN optimization level tuning in the Paddle framework by lowering the opt level for several oneDNN passes from 3 to 2 across multiple fusion passes, aiming to improve stability with potential minimal impact on performance. Commit: c579ed0221ca5394488bd2b9e22e17d35fa6fc8e (Change opt level of onednn passes to 2) in PaddlePaddle/Paddle (PR #69524).
November 2024 monthly summary for PaddlePaddle/Paddle. Key feature delivered: OneDNN optimization level tuning in the Paddle framework by lowering the opt level for several oneDNN passes from 3 to 2 across multiple fusion passes, aiming to improve stability with potential minimal impact on performance. Commit: c579ed0221ca5394488bd2b9e22e17d35fa6fc8e (Change opt level of onednn passes to 2) in PaddlePaddle/Paddle (PR #69524).
Concise monthly summary for Oct 2024 focused on PaddlePaddle/Paddle. Expanded dynamic shape handling for reshape and related onednn/bfloat16 paths, improving robustness in the presence of unknown or partially undefined shapes and generalizing shape checks to support reshape and slice operations in BF16 placement path.
Concise monthly summary for Oct 2024 focused on PaddlePaddle/Paddle. Expanded dynamic shape handling for reshape and related onednn/bfloat16 paths, improving robustness in the presence of unknown or partially undefined shapes and generalizing shape checks to support reshape and slice operations in BF16 placement path.
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