Lin Sinan
C C Compiler Engineer at Alibaba Cloud
Haikou City, Hainan Province, China
Summary
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Rockstar🎓
Top SchoolLin Sinan is a C/C++ compiler engineer with seven years of experience specializing in LLVM, GCC, and aarch64 backend work, currently contributing to Alibaba Cloud's compiler toolchains. He has a strong research background in compiler optimization and performance analysis from positions at Université Côte d'Azur and the Chinese Academy of Sciences, and holds multidisciplinary master's training in data science and computer science from European institutions. An active open-source contributor to the LLVM project, he has improved BOLT’s jump-table optimizations, address mapping, and X86-specific features—work that sits at the intersection of binary layout and performance engineering. His practical systems experience spans SIMD extensions, RISC-V backend debugging, video streaming backends, and computer-vision pipelines, reflecting an uncommon blend of low-level compiler internals and applied algorithm development. Based in Haikou, China, he brings a metrics-driven, math-first approach to squeezing performance from both compilers and runtime systems.
7 years of coding experience
2 years of employment as a software developer
理学士, 统计学, 理学士, 统计学 at 中南财经政法大学Master of Engineering - MEng, Computer Science, Master of Engineering - MEng, Computer Science at Polytech Nice SophiaMaster's degree, Data Science, Master's degree, Data Science at Aalto UniversityBachelor of Science - BS, Statistics, Bachelor of Science - BS, Statistics at Zhongnan University of Economics and LawMaster's degree, Data Science, Master's degree, Data Science at EIT Digital
Stackoverflow
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Github Skills (11)
compiler-optimization10
c-language10
bolt10
cprogramming-language10
x86-6410
binarydiff10
llvm10
x8610
debug9
debugging9
arm8
Programming languages (8)
Github contributions (5)
llvm/llvm-project
Sep 2022 - Dec 2024
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Role in this project:
Back-end Developer / Systems Programmer
Back-end Developer / Systems ProgrammerContributions:4 reviews, 19 PRs, 14 pushes in 2 years 3 months
Contributions summary:Lin primarily worked on the BOLT (Binary Optimization and Layout Tool) component of the LLVM project. Their contributions involved fixing bugs related to jump table optimization, supporting the mapping of function entry addresses, and addressing issues with weak reference symbols. They also added support for .iplt sections in X86 architectures and improved the logging system.
compilerstechnologiesclangsubmittoolchain
linsinan1995/riscv-gcc
Apr 2021 - Apr 2022
Implementation of RISC-V P/ZCE extension for GCC backend
Contributions:305 commits, 2 PRs, 194 pushes in 1 year
risc-vzceriscbackendgcc
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