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From GitBox <...@apache.org>
Subject [GitHub] rahul003 opened a new issue #7645: Spatial transformer test case fails often
Date Thu, 01 Jan 1970 00:00:00 GMT
rahul003 opened a new issue #7645: Spatial transformer test case fails often
URL: https://github.com/apache/incubator-mxnet/issues/7645
 
 
   Operating System: Linux
   Compiler: gcc4.8
   Package used: Python
   MXNet commit hash (`git rev-parse HEAD`): 860dda2cc4741ac8167a7f81bd9d835364d5954a
   
   Python version and distribution: 2.7 on gpu
   
   ## Error Message:
   ```
   ======================================================================
   FAIL: test_operator_gpu.test_spatial_transformer_with_type
   ----------------------------------------------------------------------
   Traceback (most recent call last):
     File "/usr/local/lib/python3.4/dist-packages/nose/case.py", line 198, in runTest
       self.test(*self.arg)
     File "/workspace/tests/python/gpu/test_operator_gpu.py", line 654, in test_spatial_transformer_with_type
       check_consistency(sym, ctx_list)
     File "/workspace/python/mxnet/test_utils.py", line 1120, in check_consistency
       raise e
     File "/workspace/python/mxnet/test_utils.py", line 1115, in check_consistency
       assert_almost_equal(arr, gtarr, rtol=tol[dtypes[i]], atol=tol[dtypes[i]])
     File "/workspace/python/mxnet/test_utils.py", line 351, in assert_almost_equal
       raise AssertionError(msg)
   nose.proxy.AssertionError: 
   Items are not equal:
   Error 3.625779 exceeds tolerance rtol=0.001000, atol=0.001000.  Location of maximum error:(0,
3, 6, 3), a=0.410997, b=0.416132
    a: array([[[[-31.50229263, -21.41567993,   6.15771866, ...,   2.8015573 ,
             -13.36835289, -23.15978813],
            [ -3.62330437, -38.62851715, -32.01438141, ...,  12.89842606,...
    b: array([[[[-31.51775551, -21.42281914,   6.15355921, ...,   2.80197096,
             -13.37347221, -23.16914177],
            [ -3.62049437, -38.64873505, -32.03084564, ...,  12.90172482,...
   -------------------- >> begin captured stdout << ---------------------
   Train Err: ctx 1 vs ctx 0 at data
   
   --------------------- >> end captured stdout << ----------------------
   ```
   
   
   ## Minimum reproducible example
   This test fails intermittently on gpu with mklml or cudnn. In the last 30 builds on master
it has failed 10+ times. Sometimes it fails with mklml and sometimes with cudnn. 
   Example to the test failure on build 
   https://builds.apache.org/blue/organizations/jenkins/incubator-mxnet/detail/master/258/pipeline
   
   ## Steps to reproduce 
   1. make DEV=1 USE_PROFILER=1 USE_BLAS=openblas USE_CUDA=1 USE_CUDA_PATH=/usr/local/cuda
USE_CUDNN=1 USE_CPP_PACKAGE=1 -j8
   
   2. PYTHONPATH=./python/ nosetests  --verbose tests/python/gpu/test_operator_gpu.py:test_spatial_transformer_with_type
   

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