Yeah, exactly: I argue that a global backwards-only branch used to implement loops by checking all lanes for an "end" state is not actually a "real" branch.
It's a semantic argument, but IMHO an important one. Way, way too many users of GPUs don't understand how the code generation actually works, leading to articles like this one. Ambiguous use of terms like "branch" are the problem.
It's a semantic argument, but IMHO an important one. Way, way too many users of GPUs don't understand how the code generation actually works, leading to articles like this one. Ambiguous use of terms like "branch" are the problem.