Eikan Wang

@ZolotukhinM, @frank-wei , could you help to prioritize this PR review and landing? Otherwise, the post-op fusion could introduce performance regression.

> Add unit test? Sorry for the late reply. @frank-wei , yes, will do.

> Could you pls check the failed tests? Done. Refined the UT.

@bertmaher , any comments?

@pytorchbot merge -l

> Could you pls check the failed tests? Yes. I fixed it and triggered the CI again. I will check the CI result.

> > Could you pls check the failed tests? > > Yes. I fixed it and triggered the CI again. I will check the CI result. @frank-wei , this PR...

@pytorchbot merge -l

@pytorchbot merge -l

@frank-wei , this PR was unexpectedly closed by another colleague. I reopen it.