apivovarov commented on pull request #7513: URL: https://github.com/apache/tvm/pull/7513#issuecomment-787005003
Probably it is better to rewrite the following 4 lines in the model itself (Detectron2 - `[box2box_transform.apply_deltas:111](https://github.com/facebookresearch/detectron2/blob/3c6857a9ba7ccb14eac5265955526366662f9da9/detectron2/modeling/box_regression.py#L111)`) `copy_` operator is the end of a dead-end branch in the graph. As we saw before TVM will remove such branches. ``` %pred_boxes.1 : Float(182400, 4, strides=[4, 1], requires_grad=0, device=cpu) = aten::zeros_like(%deltas.2, %987, %988, %989, %990, %1001), scope: __module.torch_model.proposal_generator # /Users/pivovaa/workspace/detectron2/detectron2/modeling/box_regression.py:110:0 ... %1405 : Float(182400, 4, strides=[4, 1], requires_grad=0, device=cpu) = aten::slice(%pred_boxes.1, %988, %988, %979, %992), scope: __module.torch_model.proposal_generator # /Users/pivovaa/workspace/detectron2/detectron2/modeling/box_regression.py:111:0 %1406 : Float(182400, 1, strides=[4, 4], requires_grad=0, device=cpu) = aten::slice(%1405, %992, %988, %979, %986), scope: __module.torch_model.proposal_generator # /Users/pivovaa/workspace/detectron2/detectron2/modeling/box_regression.py:111:0 %1407 : Float(182400, 1, strides=[4, 4], requires_grad=0, device=cpu) = aten::copy_(%1406, %1404, %990), scope: __module.torch_model.proposal_generator # /Users/pivovaa/workspace/detectron2/detectron2/modeling/box_regression.py:111:0 ... %1423 : int[] = prim::ListConstruct(%1339, %991, %1340), scope: __module.torch_model.proposal_generator %proposals_i.1 : Float(1, 182400, 4, strides=[729600, 4, 1], requires_grad=0, device=cpu) = aten::view(%pred_boxes.1, %1423), scope: __module.torch_model.proposal_generator # /Users/pivovaa/workspace/detectron2/detectron2/modeling/proposal_generator/rpn.py:491:0 ``` [rpn.py:491](https://github.com/facebookresearch/detectron2/blob/3c6857a9ba7ccb14eac5265955526366662f9da9/detectron2/modeling/proposal_generator/rpn.py#L491) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
