Yup, symbolic part of MatMatMult().
On Jun 7, 2012, at 7:36 PM, Jed Brown wrote: > MatGetSubMatrix and some of the matrix-matrix kernels might benefit from this > operation. I don't know if it's a bottleneck, but if it is, this shows how to > make it fast. > > https://highlyscalable.wordpress.com/2012/06/05/fast-intersection-sorted-lists-sse/ > > Not a deep insight or surprising, but still a nice write-up.
