Zhengyang Liu
Staff Engineer at Tenstorrent
Kirkland, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolZhengyang Liu is a Staff Engineer with 11 years of experience specializing in accelerating large-scale workloads on modern architectures, currently based in Kirkland, WA. He blends deep compiler and systems expertise—shaped by research internships at Microsoft, NVIDIA, and Intel Labs and a PhD in Computer Science from the University of Utah—with hands-on engineering roles at d-Matrix and Tenstorrent. His open-source contributions include substantive back-end work on google/souper, adding support for abs, new substitution rules, and Nop Pass support to a well-regarded LLVM IR superoptimizer. Known for extracting practical performance gains from low-level code, he bridges research and production engineering to deliver scalable compiler optimizations. Colleagues appreciate his ability to turn complex IR-level transformations into reliable, deployable improvements for modern hardware.
11 years of coding experience
1 year of employment as a software developer
Bachelor's degree Telecommunications Engineering, Bachelor's degree Telecommunications Engineering at Beijing University of Posts and TelecommunicationsThe University of Utah
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (18)
algorithm10
algorithms10
c-language10
float3210
llvm10
vectorization10
model-checking10
compiler-optimization10
floating-point10
llvm-ir10
cprogramming-language10
smt10
code-optimization9
clangd9
optimisation9
Programming languages (5)
Github contributions (5)
google/souper
Feb 2018 - Nov 2022
A superoptimizer for LLVM IR
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 reviews, 112 commits, 118 PRs in 4 years 10 months
Contributions summary:Zhengyang primarily contributed to the "souper" project, a superoptimizer for LLVM IR. Their work included implementing support for the `abs` function, fixing bugs related to `CallInst::getCalledFunction()`, and adding new substitution rules for handling clang++ tests. They also added Nop Pass Support. The user's contributions involved modifying the code related to the extraction of expression candidates.
llvm-ircompilersclangstatic-analysisbazel-rules
jubitaneja/souper-cgo20-artifact
Nov 2019 - Jan 2020
Contributions:57 commits, 51 pushes, 2 branches in 2 months
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