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Remembering Johannes Doerfert

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Hacker News | Sep 24, 2026 | sdko

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He had been an active LLVM contributor since 2014, working in the compiler design lab of Prof. Johannes became LLVM’s code owner for OpenMP target offloading in 2021, leading the compiler and runtime support that lets OpenMP programs run efficiently on GPUs across NVIDIA, AMD, and Intel hardware. His work spanned the OpenMP runtime, just-in-time compilation and link-time optimization for target offloading, and techniques for near-zero-overhead GPU execution. Polly and polyhedral optimization.

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