larroy commented on issue #9853: Flaky test_operator.test_binary_op URL: https://github.com/apache/incubator-mxnet/issues/9853#issuecomment-386875707 I think the cause of this is that operator mod is using doubles to make the computation, while the test is forcing float32 https://github.com/apache/incubator-mxnet/blob/master/tests/python/unittest/test_operator.py#L1511 https://github.com/apache/incubator-mxnet/blob/master/src/operator/mshadow_op.h#L402 This discrepancy could be the cause of difference between results. >>> np.double(1.68) % np.double(1.30123) 0.37876999999999983 >>> np.float32(1.68) % np.float32(1.30123) 0.37877
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