update comment in autograd.h for locking

[albanD]

Just update the comment to make it accurate.

[kostmo]

💊 CircleCI build failures summary and remediations

As of commit 10aee40:

None of the build failures appear to be your fault.

• 2/2 recognized as flaky ❄️
  • Re-run these jobs?

Detailed failure analysis

One may explore the probable reasons each build failed interactively on the Dr. CI website.

❄️ 2 failures recognized as flaky

The following build failures have been detected as flaky and may not be your fault:

pytorch_linux_xenial_py3_clang5_asan_build (1/2)

Step: "Build" (full log | pattern match details) ❄️

Jan 15 14:49:45 error: failed to execute compile

Jan 15 14:29:35 clang: warning: argument unused during compilation: '-pie' [-Wunused-command-line-argument] 
Jan 15 14:29:35 [ 50%] Building CXX object third_party/onnx/CMakeFiles/onnx.dir/onnx/common/status.cc.o 
Jan 15 14:29:35 clang: warning: argument unused during compilation: '-pie' [-Wunused-command-line-argument] 
Jan 15 14:29:35 [ 50%] Building CXX object third_party/onnx/CMakeFiles/onnx.dir/onnx/common/assertions.cc.o 
Jan 15 14:29:35 clang: warning: argument unused during compilation: '-pie' [-Wunused-command-line-argument] 
Jan 15 14:29:35 [ 50%] Building CXX object third_party/onnx/CMakeFiles/onnx.dir/onnx/common/model_helpers.cc.o 
Jan 15 14:29:35 clang: warning: argument unused during compilation: '-pie' [-Wunused-command-line-argument] 
Jan 15 14:29:35 clang: warning: argument unused during compilation: '-pie' [-Wunused-command-line-argument] 
Jan 15 14:29:35 [ 50%] Linking CXX static library ../../lib/libonnx.a 
Jan 15 14:29:36 [ 50%] Built target onnx 
Jan 15 14:49:45 error: failed to execute compile 
Jan 15 14:49:45 caused by: error reading compile response from server 
Jan 15 14:49:45 caused by: Failed to read response header 
Jan 15 14:49:45 caused by: failed to fill whole buffer 
Jan 15 14:49:45 make[2]: *** [third_party/fbgemm/CMakeFiles/fbgemm_avx2.dir/src/FbgemmI8DepthwiseAvx2.cc.o] Error 2 
Jan 15 14:49:45 make[1]: *** [third_party/fbgemm/CMakeFiles/fbgemm_avx2.dir/all] Error 2 
Jan 15 14:49:45 make: *** [all] Error 2 
Jan 15 14:49:45 third_party/fbgemm/CMakeFiles/fbgemm_avx2.dir/build.make:158: recipe for target 'third_party/fbgemm/CMakeFiles/fbgemm_avx2.dir/src/FbgemmI8DepthwiseAvx2.cc.o' failed 
Jan 15 14:49:45 CMakeFiles/Makefile2:1216: recipe for target 'third_party/fbgemm/CMakeFiles/fbgemm_avx2.dir/all' failed 
Jan 15 14:49:45 Makefile:138: recipe for target 'all' failed 
Jan 15 14:49:45 -- Building version 1.5.0a0+10aee40 

caffe2_onnx_py3_6_clang7_ubuntu16_04_test (2/2)

Step: "Test" (full log | pattern match details) ❄️

Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns::test_constant_fold_reshape Fatal Python error: Segmentation fault

Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns_opset11::test_constant_fold_slice_negative_index PASSED [ 99%] 
Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns_opset11::test_constant_fold_transpose PASSED [ 99%] 
Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns_opset11::test_constant_fold_transpose_matmul PASSED [ 99%] 
Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns_opset11::test_constant_fold_unsqueeze PASSED [ 99%] 
Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns_opset11::test_error_on_data_parallel PASSED [ 99%] 
Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns_opset11::test_is_in_onnx_export PASSED [ 99%] 
Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns_opset11::test_strip_doc_string PASSED [ 99%] 
Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns_opset11::test_validate_dynamic_axes_invalid_input_output_name PASSED [ 99%] 
Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns::test_constant_fold_concat PASSED [ 99%] 
Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns::test_constant_fold_lstm PASSED [ 99%] 
Jan 15 15:08:27 test/onnx/test_utility_funs.py::TestUtilityFuns::test_constant_fold_reshape Fatal Python error: Segmentation fault 
Jan 15 15:08:27  
Jan 15 15:08:27 Current thread 0x00007f8a815b6700 (most recent call first): 
Jan 15 15:08:27   File "/usr/local/lib/python3.6/dist-packages/_pytest/_io/saferepr.py", line 43 in repr_instance 
Jan 15 15:08:27   File "/usr/lib/python3.6/reprlib.py", line 65 in repr1 
Jan 15 15:08:27   File "/usr/lib/python3.6/reprlib.py", line 55 in repr 
Jan 15 15:08:27   File "/usr/local/lib/python3.6/dist-packages/_pytest/_io/saferepr.py", line 36 in repr 
Jan 15 15:08:27   File "/usr/local/lib/python3.6/dist-packages/_pytest/_io/saferepr.py", line 67 in saferepr 
Jan 15 15:08:27   File "/usr/local/lib/python3.6/dist-packages/_pytest/_code/code.py", line 655 in repr_args 
Jan 15 15:08:27   File "/usr/local/lib/python3.6/dist-packages/_pytest/_code/code.py", line 736 in repr_traceback_entry 
Jan 15 15:08:27   File "/usr/local/lib/python3.6/dist-packages/_pytest/_code/code.py", line 777 in repr_traceback 

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[facebook-github-bot]

@albanD is landing this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

[facebook-github-bot]

@albanD merged this pull request in ef0f96e.

[facebook-github-bot]

@albanD merged this pull request in ef0f96e.