wkcn edited a comment on issue #14542: Support SyncBatchNorm5D URL: https://github.com/apache/incubator-mxnet/pull/14542#issuecomment-477432470 There is a bug when the dimension of inputs is 2. ``` ====================================================================== FAIL: test_gluon_gpu.test_sync_batchnorm ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/nose/case.py", line 197, in runTest self.test(*self.arg) File "/work/mxnet/tests/python/gpu/../unittest/common.py", line 177, in test_new orig_test(*args, **kwargs) File "/work/mxnet/tests/python/gpu/test_gluon_gpu.py", line 373, in test_sync_batchnorm num_devices=ndev, cuda=cuda) File "/work/mxnet/tests/python/gpu/test_gluon_gpu.py", line 352, in _check_batchnorm_result atol=1e-3, rtol=1e-3) File "/work/mxnet/python/mxnet/test_utils.py", line 495, in assert_almost_equal raise AssertionError(msg) AssertionError: Items are not equal: Error 1.597678 exceeds tolerance rtol=0.001000, atol=0.001000. Location of maximum error:(0,), a=0.912201, b=0.909150 a: array([0.9122006, 0.906133 ], dtype=float32) b: array([0.9091504, 0.9045997], dtype=float32) -------------------- >> begin captured logging << -------------------- common: INFO: Setting test np/mx/python random seeds, use MXNET_TEST_SEED=868530648 to reproduce. ```
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