@r.stahl You’re right we do need to address disable_vectorization with the c codegen. Another challenge with using intrinsics with the C codegen is handling C inline assembly in a portable way. The LLVM codegen is a good starting point to avoid these issues, but I believe you need to build TVM against a custom LLVM right now. I think the NTHU post may have some more links to information about that as well as P-aware operator schedules which may potentially be useful.