Jinsong Bu
Senior Software Engineer at Intel Corporation
Minhang District, Shanghai, China
Summary
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RockstarJinsong Bu is a Senior Software Engineer based in Minhang District, Shanghai, with six years of experience focused on compiler back-end development and systems-level engineering. Currently at Intel, he contributes to performance-critical code and fixes that improve build robustness and correctness. He is an active contributor to the high-profile LLVM project, where his work on tail call optimization, NVPTX target alignment, attribute handling, and various bug/warning fixes reflects strong attention to low-level details and cross-target portability. Colleagues can count on him for pragmatic, quality-driven fixes that reduce subtle runtime and build issues. Notably, his contributions show both deep understanding of compiler internals and a habit of cleaning up code style and enum/constant mismatches that often go overlooked.
7 years of coding experience
Github Skills (10)
code-optimization10
compiler-design10
c-language10
cprogramming-language10
llvm10
debugging9
nvtx8
x868
ptx8
x86-648
Programming languages (5)
Github contributions (5)
llvm/llvm-project
Aug 2019 - Jul 2026
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:30 reviews, 80 PRs, 175 pushes in 6 years 11 months
Contributions summary:Jinsong primarily focused on improving the LLVM compiler project. Their contributions involved modifying the compiler's backend, specifically addressing tail call optimization, and fixing issues related to attribute handling. They also worked on the NVPTX target, ensuring correct alignment of by-value arguments. Furthermore, the user corrected various warnings and errors related to code style, character constants, and enum type mismatches, contributing to the overall code quality and build process.
compilerllvmtoolchain
jsji/llvm
Dec 2023 - May 2026
Intel staging area for llvm.org contribution. Home for Intel LLVM-based projects.
Contributions:33 pushes, 37 branches in 2 years 5 months
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