Cg
Cg is a compiled graphics framework and shader language library bundled as part of NVIDIA's CUDA Toolkit for macOS. It provides low-level GPU programming interfaces and is used by developers working on graphics applications, scientific computing, and CUDA-accelerated software. Cg itself is not distributed or updated separately — it is included only as a component within NVIDIA's official CUDA Toolkit installer.
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1 suggestionCg is an embedded framework component of NVIDIA CUDA and cannot be updated on its own. To ensure you have a native Apple Silicon build of Cg, you must update the entire CUDA Toolkit via NVIDIA's official installer from nvidia.com/cuda-toolkit. Verify that the CUDA version you install explicitly lists Apple Silicon (arm64) support in its release notes — earlier CUDA releases for macOS did not include native arm64 builds. After downloading the correct native CUDA installer, run it to replace both the Toolkit and all bundled components including Cg. If you are currently running an Intel-only version of CUDA under Rosetta, switching to the native build will significantly improve performance. Given that Apple is removing Rosetta 2 in macOS 28 (September 2028), ensure your CUDA installation is updated to a version with confirmed native Apple Silicon support before that date.
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