Stencil-Aware GPU Optimization of Iterative Solvers. - Daniel Lowell; Jeswin Godwin; Justin Holewinski; Deepan Karthik; Chekuri Choudary; Azamat Mametjanov; Boyana Norris; Gerald Sabin; P. Sadayappan; Jason Sarich (SIAM J. Sci. Comput., 2013)