Steven Perron
Software Developer at Google
Kitchener, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolSteven Perron is a software developer and compiler engineer with eight years of professional experience, currently building compiler technology at Google from Kitchener, Ontario. He holds advanced academic training in mathematics and computer science up to the PhD level, bringing deep theoretical grounding to practical compiler and shader toolchain work. His open-source contributions to high-profile projects such as LLVM, SPIRV-Tools, and Google's shaderc include backend SPIR‑V/HLSL codegen, an optimization pass replacing multiplications by power-of-two constants with bit shifts, and modernization of test infrastructure across Python versions. Steven’s work shows a pattern of reducing complexity and duplication—both in generated code and test suites—improving performance and maintainability in graphics compilation paths. Colleagues would describe him as a detail-oriented engineer who translates formal language and type concerns into robust, production compiler features.
8 years of coding experience
Bachelor of Science (B.Sc.), Mathematics and Computer Science, Bachelor of Science (B.Sc.), Mathematics and Computer Science at Saint Mary's UniversityMaster of Science (M.Sc.), Mathematics and Computer Science, Master of Science (M.Sc.), Mathematics and Computer Science at University of Toronto
French, English
Github Skills (25)
spirv10
c-language10
shader10
compilation10
python10
llvm10
testing10
shaderc10
code-generation10
compiler-design10
compile10
compiler-optimization10
compiler10
hlsl10
cprogramming-language10
Programming languages (8)
Github contributions (5)
KhronosGroup/SPIRV-Tools
Sep 2017 - Jan 2023
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 864 reviews, 416 commits in 5 years 5 months
Contributions summary:Steven's primary contribution was the implementation of an optimization pass called "strength reduction" for the SPIR-V tools. This pass aimed to optimize integer multiplication operations by constants that are powers of 2, replacing them with equivalent bit shifts. The user's work included replacing multiplication operations with bit shifts in the code and testing the correctness of the change. The pass also incorporated efforts to avoid constant duplication and type duplication, improving the efficiency of the generated code.
llvm/llvm-project
Jan 2024 - Apr 2025
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Role in this project:Back-end Developer
Back-end DeveloperContributions:154 reviews, 49 PRs, 21 pushes in 1 year 2 months
Contributions summary:Steven primarily contributed to the HLSL and SPIR-V code generation aspects of the LLVM project. They implemented and refined features related to HLSL and SPIR-V integration, including handling arrays of resources, introducing a `handle_fromBinding` intrinsic, and improving type translation. Their work also addressed calling convention issues, convergence tokens, and the optimization of resource access within the SPIR-V backend, enhancing the compiler's support for shader languages.
compilerstechnologiesclangsubmittoolchain
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