Yep. Getting full performance out of LRB meant you couldn’t be messing about with long scalar sequences—you had to interleave them with the vector unit. We had

Yep. Getting full performance out of LRB meant you couldn’t be messing about with long scalar sequences—you had to interleave them with the vector unit. We had a fearsome time convincing the ICC bros that their backend was starving the vector core by refusing to interleave scalar & vector ops. We ended up writing our own backend.