roywei commented on a change in pull request #11544: [MXNET-620]Fix flaky test
batchnorm training
URL: https://github.com/apache/incubator-mxnet/pull/11544#discussion_r200505080
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File path: tests/python/unittest/test_operator.py
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@@ -1527,7 +1526,7 @@ def check_batchnorm_training(stype):
test = mx.symbol.BatchNorm(data, fix_gamma=False,
use_global_stats=True, axis=chaxis)
check_numeric_gradient(test, in_location, xmean_std,
numeric_eps=1e-2, rtol=0.2, atol=0.01)
- stypes = ['row_sparse', 'default']
Review comment:
Without row_sprase, the flakyness come from difference between gradient
values of mkldnn/cuddn implementation of batchnorm and numeric calculation from
check_numeric_gradients
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