Sparrow Li

Chaoyang District, Beijing, China

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Summary

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Rockstar

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Top School

Sparrow Li is a Rust-focused back-end developer and systems engineer with five years of experience, based in Chaoyang District, Beijing. He contributes to prominent Rust projects—improving numeric traits in rust-num, enabling no_std support and fixing memory/stride issues in ndarray, and optimizing ARM Neon intrinsics in stdarch—demonstrating deep low-level and performance-oriented expertise. Comfortable working across crate-level design and platform-specific optimizations, he brings practical experience in making libraries robust for embedded and high-performance contexts. Outside code, he blends interests in psychology, Japanese literature, and rock music, and he pairs technical craft with a thoughtful approach to career development and team growth.

5 years of coding experience

天津理工大学

Github Skills (17)

memory-management10

rust-no-std10

numerics10

performance-optimization10

simd10

rust10

numeric10

traits10

scientific-computing10

nox10

data-structure9

algorithm9

algorithms9

linear-algebra9

data-structures9

Programming languages (5)

RustJavaScriptGoHTMLMarkdown

Github contributions (5)

rust-lang/stdarch

Feb 2021 - Dec 2021

Rust's standard library vendor-specific APIs and run-time feature detection

Role in this project:

Back-end Developer

Contributions:41 reviews, 49 commits, 44 PRs in 9 months

Contributions summary:Sparrow primarily contributed to the `stdarch` repository by fixing integer overflow issues and converting and adding new neon instructions. These changes include the implementation of new methods for the vsli and vsri series of instructions. The user's work focuses on performance optimization within the Rust standard library, specifically targeting ARM Neon intrinsics, likely improving SIMD operations.

simdvendorfeature-detectionruststandard-library

rust-num/num-traits

Nov 2020 - Mar 2021

Numeric traits for generic mathematics in Rust

Role in this project:

Back-end Developer

Contributions:2 reviews, 11 commits, 1 PR in 3 months

Contributions summary:Sparrow primarily contributed to the implementation of numeric traits within the Rust project. Their work involved defining and implementing traits like `DivRemEuclid` and `CheckedEuclid`, including methods for Euclidean division and remainder calculations. The user also fixed various method implementations and core structure issues, improving the functionality and structure of the crate's code. Furthermore, the user worked to update and fix code to use the correct imports, improving code quality.

rustmathematicstraitsgenericnum-traits

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