{"action":"created","issue":{"url":"https://api.github.com/repos/tensorflow/tensorflow/issues/16669","repository_url":"https://api.github.com/repos/tensorflow/tensorflow","labels_url":"https://api.github.com/repos/tensorflow/tensorflow/issues/16669/labels{/name}","comments_url":"https://api.github.com/repos/tensorflow/tensorflow/issues/16669/comments","events_url":"https://api.github.com/repos/tensorflow/tensorflow/issues/16669/events","html_url":"https://github.com/tensorflow/tensorflow/issues/16669","id":293626184,"number":16669,"title":"grappler: memory optimizer fails with: No output shape in Conv2DBackpropInput op / Conv2DBackpropFilter op.","user":{"login":"olesalscheider","id":1006058,"avatar_url":"https://avatars2.githubusercontent.com/u/1006058?v=4","gravatar_id":"","url":"https://api.github.com/users/olesalscheider","html_url":"https://github.com/olesalscheider","followers_url":"https://api.github.com/users/olesalscheider/followers","following_url":"https://api.github.com/users/olesalscheider/following{/other_user}","gists_url":"https://api.github.com/users/olesalscheider/gists{/gist_id}","starred_url":"https://api.github.com/users/olesalscheider/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/olesalscheider/subscriptions","organizations_url":"https://api.github.com/users/olesalscheider/orgs","repos_url":"https://api.github.com/users/olesalscheider/repos","events_url":"https://api.github.com/users/olesalscheider/events{/privacy}","received_events_url":"https://api.github.com/users/olesalscheider/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-02-01T17:53:48Z","updated_at":"2018-02-01T18:01:34Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"### System information\r\n- **Have I written custom code (as opposed to using a stock example script provided in TensorFlow)**: No\r\n- **OS Platform and Distribution (e.g., Linux Ubuntu 16.04)**: Linux, Ubuntu 16.04\r\n- **TensorFlow installed from (source or binary)**: Source\r\n- **TensorFlow version (use command below)**:  v1.5.0-0-g37aa430d84\r\n- **Python version**: 3.5\r\n- **Bazel version (if compiling from source)**: 0.10.0\r\n- **GCC/Compiler version (if compiling from source)**: 5.4.0\r\n- **CUDA/cuDNN version**: 9.1 / 7\r\n- **GPU model and memory**: TITAN Xp, 12196MiB\r\n- **Exact command to reproduce**: -\r\n\r\n### Describe the problem\r\nWhen I enable the memory optimizer in grappler, it fails with the following errors:\r\n```\r\nE tensorflow/core/grappler/costs/op_level_cost_estimator.cc:720] No output shape in Conv2DBackpropInput op.\r\nE tensorflow/core/grappler/costs/op_level_cost_estimator.cc:720] No output shape in Conv2DBackpropInput op.\r\n```\r\n\r\nMy network is mostly a ResNet 34. I cannot share the complete code right now, but I can try to come up with a reduced example if it is necessary.\r\n\r\nIs this a limitation of the current memory optimizer or should the output shape always be known at this point in the code?"},"comment":{"url":"https://api.github.com/repos/tensorflow/tensorflow/issues/comments/362350746","html_url":"https://github.com/tensorflow/tensorflow/issues/16669#issuecomment-362350746","issue_url":"https://api.github.com/repos/tensorflow/tensorflow/issues/16669","id":362350746,"user":{"login":"reedwm","id":6510203,"avatar_url":"https://avatars2.githubusercontent.com/u/6510203?v=4","gravatar_id":"","url":"https://api.github.com/users/reedwm","html_url":"https://github.com/reedwm","followers_url":"https://api.github.com/users/reedwm/followers","following_url":"https://api.github.com/users/reedwm/following{/other_user}","gists_url":"https://api.github.com/users/reedwm/gists{/gist_id}","starred_url":"https://api.github.com/users/reedwm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/reedwm/subscriptions","organizations_url":"https://api.github.com/users/reedwm/orgs","repos_url":"https://api.github.com/users/reedwm/repos","events_url":"https://api.github.com/users/reedwm/events{/privacy}","received_events_url":"https://api.github.com/users/reedwm/received_events","type":"User","site_admin":false},"created_at":"2018-02-01T18:01:34Z","updated_at":"2018-02-01T18:01:34Z","author_association":"MEMBER","body":"/CC @zhangyaobit, any ideas?"}}
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