TomasĀ Matheson
Staff Software Engineer at Arm
City of Edinburgh, Scotland, United Kingdom
Summary
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Top SchoolTomas Matheson is a Staff Software Engineer based in Edinburgh with five years of professional experience focused on compiler and backend systems, currently advancing ARM technologies at Arm. He has a strong academic foundation in applied mathematics (St Andrews) and a PhD in combustion (Southampton), bringing analytical rigor to low-level code and tooling. Tomas contributed to the high-profile LLVM project by autogenerating AArch64 TargetParser headers and moving CPU/extension data into TableGen, reducing duplication and improving maintainability across ARM backends. His career includes senior compiler roles at Codeplay and practical HPC and engineering experience, showing a blend of research-grade problem solving and production engineering. Colleagues rely on him for clean, maintainable solutions that bridge compiler theory and real-world processor targets.
5 years of coding experience
5 years of employment as a software developer
Master of Mathematics, Applied Mathematics, 2.1, Master of Mathematics, Applied Mathematics, 2.1 at University of St AndrewsDoctor of Philosophy (Ph.D.), Combustion, Doctor of Philosophy (Ph.D.), Combustion at University of Southampton
English, Spanish
Github Skills (6)
arm10
compiler-design10
c-language10
cprogramming-language10
codegen10
llvm10
Programming languages (5)
Github contributions (5)
llvm/llvm-project
Jan 2023 - Jan 2023
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Role in this project:
Backend Developer
Backend DeveloperContributions:169 reviews, 2 commits, 48 PRs in 1 day
Contributions summary:Tomas focused on enhancing the AArch64 TargetParser within the LLVM project. They implemented a mechanism to autogenerate header files for the TargetParser, reducing code duplication between the ARM and AArch64 backends. Additionally, the user moved extension information and CPU information into TableGen, improving maintainability and streamlining the process of defining extensions. Further contributions include improvements to FMV testing.
compilerstechnologiesclangsubmittoolchain
tmatheson-arm/llvm-project
Dec 2023 - Feb 2025
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Contributions:90 pushes, 43 branches in 1 year 2 months
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