News for hackers. Stuff that matters.

A comment on How to write efficient matrix multiplication. Parent comment

Re:How to write efficient matrix multiplication by knlji on Sunday May 27, 2018 @02:40PM (#17168375)
Doesn't the multiplication of two sparse matrices increase fill-in? That cannot be a good idea in general.
[ Parent | on HN ]
Re:How to write efficient matrix multiplication by stephencanon on Sunday May 27, 2018 @08:34PM (#17169966)
Absolutely, but if that’s what you need to compute, that’s what you need to compute. Sometimes it is.
[ Parent | on HN ]