fixed banded alignment
fixed banded alignment

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18163353]

NVlabs/nvbio,kimrutherford/nvbio,NVlabs/nvbio,kimrutherford/nvbio,NVlabs/nvbio,kimrutherford/nvbio,kimrutherford/nvbio,NVlabs/nvbio