alt Hacker NewsThis is already done as much as possible by reordering and merging operations but transposition (explicit or implicit) is unavoidable for some operations.
This is already done as much as possible by reordering and merging operations but transposition (explicit or implicit) is unavoidable for some operations.
A good example for this is A + A^T; you can fuse the two operations but you cannot get around the access pattern of matrix transposition.