Guray Ozen
Compiler Research at NVIDIA
Guray Ozen is a compiler engineer in the Machine Learning Compiler team at NVIDIA.
Current Projects
Guray currently works on two programming models based on MLIR compiler:
- TileIR Compiler: A next-generation MLIR-based IR for portable GPU programming with a focus on kernel composition and performance tuning across ML and HPC workloads.
- CuTeDSL, Cutlass Python DSL: Cutlass 4.0 introduced CuTe Python DSL. We designed this for writing high-performance GPU kernels, integrated with CUTLASS and designed for composable kernel development.
Research Interest
His current focus centers on optimizing compilers and programming languages for GPU utilization in machine learning (ML) and high-performance computing (HPC). He has made key contributions to several production-grade compilers, including Clang, Flang, MLIR, IREE, and NVIDIA HPC (formerly PGI).
Previously, he was actively involved in language design for parallel programming models, such as OpenMP and OpenACC. He served as a voting member of the OpenMP Language Committee for NVIDIA and contributed extensively to the OpenACC language specification.
News
| Dec 19, 2025 |  TileIR’s cuda-tile MLIR Dialect is now open source |
|---|---|
| Dec 01, 2025 |  TileIR compiler is released with Cuda 13.1 |
| Oct 28, 2025 |  Talk on CuTeDSL, CUTLASS Python DSL Infrastructure at LLVM’25 |
| Aug 18, 2025 | Now an official maintainer of the NVVM and NVGPU dialects in MLIR! See all maintainers |
| May 13, 2025 | CuTeDSL is released with Cutlass 4.0 |
Work Experience
- Compiler Engineer, ML Compilers, NVIDIA, Switzerland (2024 - Present)
- Compiler Research Engineer, ML Compiler Systems Research, Google Research (DeepMind), Switzerland (2022 - 2024)
- Compiler Engineer, NVIDIA HPC Compilers, NVIDIA, Germany (2018 - 2022)
- Compiler Research Intern, NVIDIA, USA (2017)
- Short-term Researcher, Advanced Compilers Group, IBM T.J. Watson Research Center, Yorktown Heights, USA (2016)
- Research Assistant, Barcelona Supercomputing Center, Spain (2013 - 2017)
- Software Engineer, Veripark, Akbank, Istanbul (2010 - 2012)
Education
- PhD in Computer Architecture (Excellent Cum Laude), Universitat Politècnica de Catalunya (UPC), Spain (2018)
- MSc High-Performance Computing, Universitat Politècnica de Catalunya (UPC), Spain (2014)
- BSc Computer Science Engineering, Dokuz Eylul University, Turkey (2010)
