nudles commented on a change in pull request #517: SINGA-474 squeeze operator
URL: https://github.com/apache/incubator-singa/pull/517#discussion_r314186001
##########
File path: python/singa/autograd.py
##########
@@ -2194,6 +2194,30 @@ def log(x):
return Log()(x)[0]
+class Squeeze(Operation):
+ def __init__(self,axis=[]):
+ super(Squeeze, self).__init__()
+ self.axis=axis
+
+ def forward(self, x):
+ self.cache=x.shape()
+ cur = list(self.cache)
Review comment:
```
newshape = []
for i in self.axis:
assert self.cache[i] == 1, "the length of axis {} is {}, which should be
1".format(i, self.cache[i])
for d in self.cache:
if d > 1:
newshape.append(d)
```
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