pytorch

c91cf1e7 - Add support for multiple outputs in structured kernels, port fractional_max_pool2d (#55581)

Add support for multiple outputs in structured kernels, port fractional_max_pool2d (#55581) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/55581 Multiple outputs now OK, as long as their all Tensor. Ported fractional_max_pool2d to make sure the shindig all works. Signed-off-by: Edward Z. Yang <ezyang@fb.com> Test Plan: Imported from OSS Reviewed By: SplitInfinity Differential Revision: D27641267 Pulled By: ezyang fbshipit-source-id: f88bfcd2b11e9ae90b023c9310c033d12637a53e