[lld] [lldb] [clang-tools-extra] [clang] [libcxx] [libc] [flang] [llvm] [compiler-rt] [NVPTX] Add support for -march=native in standalone NVPTX (PR #79373)

[Justin Lebar via llvm-commits]

jlebar wrote:

> This method of compilation is not like CUDA, so we can't target all the GPUs at the same time. 

Can you clarify for me -- what are you compiling where it's impossible to target multiple GPUs in the binary?  I'm confused because Art is understanding that it's not CUDA, but we're modifying the CUDA driver here?

https://github.com/llvm/llvm-project/pull/79373