> Hmm, but then why does not swapping help? We can't build either > operand as internal without swapping, so swapping cannot make things > worse?
"swapping" makes things worse here because it we end up with ``` Building vector operands from scalars Building parent vector operands from scalars instead ``` if without that swap retry, the parent node can still remain an internal SLP node. -- Regards, Zhongyao
