use unrolled product path for small outer product
use unrolled product path for small outer product

ritsu1228/eigen,pasuka/eigen,pasuka/eigen,Zefz/eigen,Zefz/eigen,Zefz/eigen,pasuka/eigen,ROCmSoftwarePlatform/hipeigen,Zefz/eigen,pasuka/eigen,ROCmSoftwarePlatform/hipeigen,ritsu1228/eigen,TSC21/Eigen,toastedcrumpets/eigen,ritsu1228/eigen,TSC21/Eigen,TSC21/Eigen,toastedcrumpets/eigen,toastedcrumpets/eigen,ritsu1228/eigen,TSC21/Eigen,ritsu1228/eigen,pasuka/eigen,ROCmSoftwarePlatform/hipeigen,toastedcrumpets/eigen,ROCmSoftwarePlatform/hipeigen