Before revision:  This is achieved by using threads in a warp cooperatively to stream the adjacency and edge label matrices of individual graphs by small square  tiles, which are then staged in registers and the shared memory for later reuse.
After revision:  This is achieved by using threads in a warp cooperatively to stream the adjacency and edge label matrices of individual graphs by small square matrix blocks called tiles, which are then staged in registers and the shared memory for later reuse.