access2rohit commented on a change in pull request #19324:
URL: https://github.com/apache/incubator-mxnet/pull/19324#discussion_r503754668
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File path: tests/nightly/test_np_large_array.py
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@@ -1886,3 +1885,36 @@ def test_array_split():
assert out[0][0][0] == 0
assert out[1][-1][-1] == 2
+
+@use_np
+def test_std():
+ N = 2*20
+ inp = np.zeros((2, INT_OVERFLOW))
+ inp[-1, -1] = N
+ inp.attach_grad()
+ with mx.autograd.record():
+ out = np.std(inp, axis=1)
+ out.backward()
+ assert out.shape == (2, )
Review comment:
can we directly comapre the outputs with actual numpy's operators ? call
`import numpy as _np`
Then we probably don't have to worry about correctness of the formula used?
@Zha0q1 wdyt ?
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