checking for positive device counts
checking for positive device counts

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18891566]

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