2026 PLDI '26 SRC Impulse: Momentously Fast, General, and Portable Probabilistic Programming via Compiler Augmentation Siyuan Brant Qian, Vimarsh Sathia, Jesse Michel, and William S. Moses In ACM SIGPLAN PLDI 2026 Student Research Competition, Jun 2026, Boulder, Colorado, United States. Gold Medal at PLDI 2026 Student Research Competition (Graduate Category) PDF Poster Slides EGRAPHS 2026 Poseidon: Profile-Guided Numerical Rewriting at Full-Application Scale Siyuan Brant Qian, Vimarsh Sathia, Ivan R. Ivanov, Jan Hückelheim, Paul Hovland, and William S. Moses In 5th EGRAPHS Workshop, co-located with PLDI 2026, Jun 2026, Boulder, Colorado, United States. PDF Slides 2025 DiffProg 2025 Compiler Optimizations for Higher-Order Automatic Differentiation Vimarsh Sathia, Siyuan Brant Qian, Jan Hückelheim, Paul Hovland, and William S. Moses In 2nd Workshop on Differentiable Parallel Programming, co-located with PPoPP 2025, Mar 2025, Las Vegas, Nevada, USA. PDF 2024 LLVMDev 2024 Poseidon: Automatic Profile-Guided Optimizations of Floating-Point Programs in Compilers Siyuan Brant Qian, Vimarsh Sathia, Jan Hückelheim, Paul Hovland, and William S. Moses In LLVM Developers’ Meeting 2024, Oct 2024, Santa Clara, California, USA. PDF Slides Talk