[ 源代码： cub ]
软件包：libcub-dev（2.0.1-2）
reusable software components for the CUDA programming model
CUB provides state-of-the-art, reusable software components for every layer of the CUDA programming model: * Parallel primitives
* Warp-wide "collective" primitives * Block-wide "collective" primitives * Device-wide primitives* Utilities
* Fancy iterators * Thread and thread block I/O * PTX intrinsics * Device, kernel, and storage management