William Schmidt
Wichita, Kansas, United States
Summary
🤩
Rockstar🎓
Top SchoolWilliam Schmidt is a Principal Compiler Engineer with three decades of proprietary and open-source compiler expertise, now focused on automatic and explicit vectorization in Intel's oneAPI compilers built on LLVM. Previously he led the GNU Toolchain team for POWER at IBM, driving GCC/LLVM backend work, ELF ABI maintenance, and close collaboration with processor architects and Linux distributors. His career spans deep middle-end and back-end optimizations—profile-guided transformations, superblock and trace optimizations, adaptive inlining, and runtime-aware code generation—originally honed on IBM i and Power systems. He combines hands-on implementation with tooling and process improvements, having introduced instrumentation, testing automation, and causal-quality analysis in shipping compilers. Based in Wichita, Kansas, he holds a Ph.D. in Computer Science and is notable for bridging processor design decisions with practical compiler features that enable new hardware capabilities immediately upon release.
4 years of coding experience
27 years of employment as a software developer
Ph.D. Computer Science, Ph.D. Computer Science at Iowa State UniversityB.A. Mathematics Music, B.A. Mathematics Music at Bethel College
Github Skills (3)
compiler10
llvm10
toolchain10
Programming languages (1)
Github contributions (3)
llvm/llvm-project
May 2022 - May 2025
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Contributions:1 PR, 1 push, 17 comments in 3 years
compilerllvmtoolchain
wjschmidt/llvm-project
May 2025 - May 2025
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Contributions:1 branch in 1 day
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