Tim Keith
Retired
Hillsboro, Oregon, United States
Summary
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Rockstar🎓
Top SchoolTim Keith is a retired software engineer with nine years of open-source contribution experience focused on compiler back-end work, particularly enhancements to the Flang Fortran front-end for LLVM. He holds advanced degrees in computer science and mathematics from the University of Wisconsin–Madison and a BSc from the University of Toronto, reflecting deep theoretical grounding alongside practical systems work. His contributions to Flang touched OpenMP handling, Fortran debug information, derived type features, and memory allocation semantics—areas that require careful attention to language semantics and low-level code generation. Based in Hillsboro, Oregon, he blends rigorous academic training with hands-on improvements to a notable LLVM-related project, showing a penchant for fixing subtle, correctness-critical compiler behaviors. Though retired, his recent open-source patches reveal continued engagement with complex compiler internals and parallel programming features.
9 years of coding experience
Master of Science (MS) Computer Science, Master of Science (MS) Computer Science at University of Wisconsin-MadisonBachelor of Science (BSc) Mathematics and Computer Science, Bachelor of Science (BSc) Mathematics and Computer Science at University of Toronto
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (10)
fortran10
openmp10
compiler-development10
llvm9
debug8
debugging8
c117
data-structure7
data-structures7
c177
Programming languages (2)
Github contributions (5)
flang-compiler/flang
May 2017 - Jan 2019
Flang is a Fortran language front-end designed for integration with LLVM.
Role in this project:
Backend Developer
Backend DeveloperContributions:300 commits, 111 PRs, 17 pushes in 1 year 8 months
Contributions summary:Tim contributed to the flang-compiler/flang project by implementing changes related to the handling of OpenMP, Fortran debug information, and derived type features. Their work included modifying code in several files within the tools/flang1 and tools/flang2 directories. These changes primarily focused on enhancing support for features such as type-bound procedures, and atomic operations, and improved the handling of memory allocation and deallocation.
fortran-languagefortran-compilercompilerfortranfront-end
tskeith/fdr-test
May 2017 - May 2017
Contributions:40 PRs, 41 pushes, 21 branches in 5 days
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