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test_optimizer.test_ftml has fixed seed that can mask flakiness #11735

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szha opened this issue Jul 13, 2018 · 3 comments · Fixed by #12003
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test_optimizer.test_ftml has fixed seed that can mask flakiness #11735

szha opened this issue Jul 13, 2018 · 3 comments · Fixed by #12003
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Flaky Test

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@szha
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szha commented Jul 13, 2018

The unit test in title have been using fixed seed to mask flakiness. Suggested action:

  1. Evaluate whether the test is flaky without fixed seed. If not, remove seed. Else move to 2
  2. If test is flaky, determine whether it's an actual uncaught edge case. If so, fix the operator. Else move to 3
  3. If numerical instability is inevitable, adjust tolerance level appropriately.
@apeforest
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Thanks for filing this issue. We will investigate this flaky test.

@apeforest
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Thannks for filing this issue. We will investigate this Flaky test

@mseth10 mseth10 mentioned this issue Aug 2, 2018
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@mseth10
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mseth10 commented Aug 2, 2018

Fix in #12003

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got rid of fixed seed for test_optimizer/test_operator_gpu.test_ftml mseth10/incubator-mxnet
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@szha @apeforest @mseth10