joddiy commented on a change in pull request #496: SINGA-474 Mean operator
URL: https://github.com/apache/incubator-singa/pull/496#discussion_r309570624
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File path: python/singa/autograd.py
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@@ -354,6 +354,40 @@ def backward(self, dy):
return singa.__mul__(dy, dx)
+def relu(x):
+ return ReLU()(x)[0]
+
+class Mean(Operation):
+ def __init__(self):
Review comment:
do you need some comments to indicate this function is element-wise mean?
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