Continuing the discussion from When will CUDA be natively supported: Have Nvidia official supported rust yet? This topic was closed. So I can't do any comment?
Nvidia hasn't done anything Rust related. GitHub - Rust-GPU/Rust-CUDA: Ecosystem of libraries and tools for writing and executing fast GPU code fully in Rust. is still your best bet.
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Although nvidia has less support with Rust, Rust has its own nvptx backend (using LLVM), and we could generating PTX code with that backend.
If you thought that rust-cuda is heavy, you could try my small crate cuda_min, which does not even require an installed cuda runtime. You could use any version of cuda, any version of rust compiler, to write cuda program with ptx code.
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thanks
thanka