resolve multi-CUDA_ARCHITECTURES compilation conflicts#241

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GACLove wants to merge 1 commit intothu-ml:mainfrom

GACLove:fix_build

Commits on Aug 15, 2025

Enhance CUDA architecture support in setup.py by allowing user-defined architectures via environment variable. Refactor GPU capability checks and streamline NVCC flags for SM89 and SM90 extensions.…
GACLove
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