Hardware Stratification: Mapping NVIDIA GPUs to ComfyUI & PyTorch In the current generative AI landscape, the "latest version" is no longer a safe default. The introduction of the Blackwell (RTX 50-series) architecture and the deprecation of Pascal (GTX 10-series) in CUDA 12.8+ have fragmented the ecosystem. This guide provides a precise mapping to align your specific NVIDIA GPU with the correct PyTorch build, ensuring your ComfyUI environment remains functional and avoids the "No kernel image" runtime error. Why This Matters / The Approach Neural synthesis performance is dictated by the alignment of silicon and software. To optimize binary sizes, PyTorch maintainers now exclude older architectures from the newest CUDA toolkits. Hardware Stratification: Blackwell requires CUDA 12.8+ , while Pascal support is removed from those same binaries. Compute Capability: Your GPU family defines its SM version (e.g., sm_120 for Blackwell). If the PyTor...
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