Kiran Chandramohan
Compiler Engineer at ARM
Trafford, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolKiran Chandramohan is a compiler engineer with 11 years of experience, currently at ARM, specializing in back-end compiler work and OpenMP support within the LLVM/Flang ecosystem. He has a strong academic foundation with an MTech from IIT Delhi and a PhD from the University of Edinburgh, and a track record of diagnosing and fixing deep compiler issues such as ICEs, preprocessing bugs, and SIMD/vectorization support. His open-source contributions to llvm-project and flang-compiler include implementing OpenMP reduction modifiers, privatization fixes, and removing legacy code while adding tests—work that impacts a widely used compiler infrastructure. Previously he held R&D and software engineering roles at Synopsys and Synfora, and earlier worked as an independent LAMP consultant, evidencing both research rigor and practical software delivery. An uncommon strength is his combination of formal compiler research training and hands-on fixes that improve production toolchains used across high-performance computing.
11 years of coding experience
4 years of employment as a software developer
BTech, Computer Science, BTech, Computer Science at College of Engineering, ChengannurIndian Institute of Technology Delhi (IIT Delhi)PhD, PhD at The University of Edinburgh12th std, 12th std at Sainik School, Kazhakootam
Github Skills (12)
compiler10
fortran10
openmp10
compiler-compiler10
text-parsing10
parsing10
semantics10
compiler-development10
llvm10
testing9
vectorization9
compiler-optimization9
Programming languages (7)
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:
Back-end Developer
Back-end DeveloperContributions:836 reviews, 2 commits, 167 PRs in 6 days
Contributions summary:Kiran primarily worked on enhancements to the Flang compiler, particularly focusing on the OpenMP implementation. Their contributions include implementing support for OpenMP reduction modifiers and handling related parsing and semantic checks. Furthermore, the user removed legacy code and addressed issues related to procedure pointers and privatization within the OpenMP framework. The changes involve modifying and adding tests, and contributing to the core code.
compilerstechnologiesclangsubmittoolchain
flang-compiler/flang
Jul 2017 - Apr 2022
Flang is a Fortran language front-end designed for integration with LLVM.
Role in this project:Back-end Developer
Back-end DeveloperContributions:206 reviews, 20 commits, 91 PRs in 4 years 8 months
Contributions summary:Kiran primarily focused on debugging and fixing compiler issues within the Flang front-end. Their contributions included resolving an ICE (Internal Compiler Error) related to the ArithmeticIF construct and integer types. They also worked on preprocessing aspects, addressing an issue in the preprocessor's handling of numeric constants. Furthermore, the user enabled support for SIMD directives, impacting the vectorization process.
fortran-languagefortran-compilercompilerfortranfront-end
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