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From GitBox <...@apache.org>
Subject [GitHub] reminisce opened a new issue #10735: Flaky test_correlation
Date Sat, 28 Apr 2018 04:07:06 GMT
reminisce opened a new issue #10735: Flaky test_correlation
URL: https://github.com/apache/incubator-mxnet/issues/10735
 
 
   ```
   test_operator_gpu.test_correlation ... [INFO] Setting test np/mx/python random seeds, use
MXNET_TEST_SEED=1596554413 to reproduce.
   
   FAIL: test_operator_gpu.test_correlation
   
   ----------------------------------------------------------------------
   
   Traceback (most recent call last):
   
     File "/usr/local/lib/python3.5/dist-packages/nose/case.py", line 198, in runTest
   
       self.test(*self.arg)
   
     File "/usr/local/lib/python3.5/dist-packages/nose/util.py", line 620, in newfunc
   
       return func(*arg, **kw)
   
     File "/work/mxnet/tests/python/gpu/../unittest/common.py", line 157, in test_new
   
       orig_test(*args, **kwargs)
   
     File "/work/mxnet/tests/python/gpu/../unittest/test_operator.py", line 2427, in test_correlation
   
       unittest_correlation((5,1,15,15), kernel_size = 1,max_displacement = 5,stride1 = 1,stride2
= 1,pad_size = 5,is_multiply = False, dtype = dtype)
   
     File "/work/mxnet/tests/python/gpu/../unittest/test_operator.py", line 2397, in unittest_correlation
   
       assert_almost_equal(exe1.grad_dict['img1'].asnumpy(), grad1, rtol=1e-3, atol=1e-4)
   
     File "/work/mxnet/python/mxnet/test_utils.py", line 493, in assert_almost_equal
   
       raise AssertionError(msg)
   
   AssertionError: 
   
   Items are not equal:
   
   Error 23.501763 exceeds tolerance rtol=0.001000, atol=0.000100.  Location of maximum error:(2,
0, 12, 7), a=87.000000, b=85.000000
   
    a: array([[[[105.,  39.,  99., ...,  63., 107.,  53.],
   
            [ 39.,  25., 111., ..., 101.,  99.,  79.],
   
            [121., 103.,  43., ...,  15.,  39., 111.],...
   
    b: array([[[[105.,  39.,  99., ...,  63., 107.,  53.],
   
            [ 39.,  25., 111., ..., 101.,  99.,  79.],
   
            [121., 103.,  43., ...,  15.,  39., 111.],...
   
   ```

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