Rich Vuduc James Demmel Katherine A. Yelick Shoaib Kamil Rajesh Nishtala Benjamin C. Lee Performance optimizations and bounds for sparse matrix-vector multiply. 1-35 2002 conf/sc/2002 SC http://doi.acm.org/10.1145/762761.762822 db/conf/sc/sc2002.html#VuducDYKNL02