lebeg opened a new issue #14524: Flaky backwards compatibility with 1.2.1 for 
lenet_gluon_save_params_api
URL: https://github.com/apache/incubator-mxnet/issues/14524
 
 
   ## Description
   
   Several failures for 
[backwards-compatibility-checker](http://jenkins.mxnet-ci.amazon-ml.com/job/restricted-backwards-compatibility-checker/)
 with different error values:
   
   * 
http://jenkins.mxnet-ci.amazon-ml.com/job/restricted-backwards-compatibility-checker/420
   
   ```
   INFO:root:Fetching files for MXNet version : 1.2.1 and model 
lenet_gluon_save_params_api
   Traceback (most recent call last):
     File "model_backwards_compat_inference.py", line 135, in <module>
       test_lenet_gluon_load_params_api()
     File "model_backwards_compat_inference.py", line 72, in 
test_lenet_gluon_load_params_api
       assert_almost_equal(old_inference_results.asnumpy(), output.asnumpy(), 
rtol=rtol_default, atol=atol_default)
     File "/work/mxnet/python/mxnet/test_utils.py", line 495, in 
assert_almost_equal
       raise AssertionError(msg)
   AssertionError: 
   Items are not equal:
   Error 9591.478516 exceeds tolerance rtol=0.000010, atol=0.000010.  Location 
of maximum error:(17, 0), a=-0.441335, b=-0.315189
    a: array([[-0.40397233, -0.19248717],
          [-0.34466907, -0.15791757],
          [-0.39881065, -0.2201823 ],...
    b: array([[-0.4039724 , -0.19248715],
          [-0.3446689 , -0.15791774],
          [-0.39881057, -0.22018239],...
   ```
   
   * 
http://jenkins.mxnet-ci.amazon-ml.com/job/restricted-backwards-compatibility-checker/436
   
   ```
   INFO:root:Fetching files for MXNet version : 1.2.1 and model 
lenet_gluon_save_params_api
   Traceback (most recent call last):
     File "model_backwards_compat_inference.py", line 135, in <module>
       test_lenet_gluon_load_params_api()
     File "model_backwards_compat_inference.py", line 72, in 
test_lenet_gluon_load_params_api
       assert_almost_equal(old_inference_results.asnumpy(), output.asnumpy(), 
rtol=rtol_default, atol=atol_default)
     File "/work/mxnet/python/mxnet/test_utils.py", line 495, in 
assert_almost_equal
       raise AssertionError(msg)
   AssertionError: 
   Items are not equal:
   Error 2926.058350 exceeds tolerance rtol=0.000010, atol=0.000010.  Location 
of maximum error:(16, 0), a=-0.378972, b=-0.339770
    a: array([[-0.40397233, -0.19248717],
          [-0.34466907, -0.15791757],
          [-0.39881065, -0.2201823 ],...
    b: array([[-0.4039724 , -0.19248715],
          [-0.3446689 , -0.15791774],
          [-0.39881057, -0.22018239],...
   ```
   
   ## Related
   
   * https://github.com/apache/incubator-mxnet/issues/14234 Backwards 
compatibility out of bounds for 1.2.1
   
   
   

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