What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

kind/enhancement

What does this PR do / why do we need it:
modify topk split pass, add kernel type/fusion/process attr

Which issue(s) this PR fixes:

Fixes #
#I1I3EJ:modify topk split pass
Special notes for your reviewers: