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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2020/07/23 06:37:21 UTC
[GitHub] [incubator-mxnet] DickJC123 opened a new issue #18775: Failures seen in unittest test_gluon_probability{_v1,_v2}.py::test_gluon_cauchy_{v1,}
DickJC123 opened a new issue #18775:
URL: https://github.com/apache/incubator-mxnet/issues/18775
## Description
This was observed during the development of https://github.com/apache/incubator-mxnet/pull/18424. I've developed a fix which I've added via commit https://github.com/apache/incubator-mxnet/pull/18424/commits/29286c3f7e3b3e7f0836877c2644b95820182322. I observed that the failures occurred when the sample was near one or both ends of the unit normal distribution for the samples data input. Repro commands provided below.
## Occurrences
MXNET_TEST_SEED=783333771 pytest --verbose -s tests/python/unittest/test_gluon_probability_v2.py::test_gluon_cauchy
MXNET_TEST_SEED=1447693795 pytest --verbose -s tests/python/unittest/test_gluon_probability_v2.py::test_gluon_cauchy
MXNET_TEST_SEED=952434416 pytest --verbose -s tests/python/unittest/test_gluon_probability_v1.py::test_gluon_cauchy_v1
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[GitHub] [incubator-mxnet] xidulu commented on issue #18775: Failures seen in unittest test_gluon_probability{_v1,_v2}.py::test_gluon_cauchy_{v1,}
Posted by GitBox <gi...@apache.org>.
xidulu commented on issue #18775:
URL: https://github.com/apache/incubator-mxnet/issues/18775#issuecomment-663323412
@DickJC123
It looks like your commits have solved this issue. Thanks for that.
This reason behind, is the heavy-tailed property of Cauchy, when the input for the quantile/icdf function is close to 1 or 0, the output will blow up, causing flaky tests.
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[GitHub] [incubator-mxnet] szha closed issue #18775: Failures seen in unittest test_gluon_probability{_v1,_v2}.py::test_gluon_cauchy_{v1,}
Posted by GitBox <gi...@apache.org>.
szha closed issue #18775:
URL: https://github.com/apache/incubator-mxnet/issues/18775
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