Jeff Bolz
NVIDIA Distinguished Engineer and member of llama.cpp's Vulkan backend code-owner team
- Distinguished Engineer, NVIDIA12
- Member of the Vulkan backend code-owner team (ggml-org/ggml-vulkan), llama.cpp project4
Jeff Bolz is a Distinguished Engineer at NVIDIA; NVIDIA's developer blog describes Bolz as a contributor to Vulkan who designs API abstractions and shading language programming models. The Vulkan registry lists Bolz as the contact for the VK_NV_cooperative_matrix2 extension, which builds on cooperative matrix types to accelerate work beyond simple matrix-multiply kernels. In llama.cpp, the C/C++ runtime for running language models on local hardware, CODEOWNERS lists Bolz in the team that owns the Vulkan backend. Bolz's 2026 commits there optimize the backend's matrix multiplication, FlashAttention, and operator fusion, and add support for more operators and quantized formats.12345
Work
llama.cpp Vulkan backendOpen-source code
CODEOWNERS lists Bolz in the ggml-org/ggml-vulkan team that owns the Vulkan backend. Commits authored in 2026 cover matrix multiplication and FlashAttention (including cooperative-matrix paths), topk_moe and rms_norm fusion, new operators such as CONV_3D, and quantized formats including Q2_0, MXFP4 and NVFP4. The repository is MIT-licensed.456
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