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ASF subversion and git services commented on SINGA-283: ------------------------------------------------------- Commit 7956019cf326c5f84401551f31f1e597fba77d46 in incubator-singa's branch refs/heads/master from [~wangwei.cs] [ https://git-wip-us.apache.org/repos/asf?p=incubator-singa.git;h=7956019 ] SINGA-283 Fix a bug of net.py backward function for layers with multiple inputs 1. reversed(list) returns a reversedlistiterator, it should return a list. fixed by using list[::-1] 2. add debugging output for backward function > Fix a bug of net.py backward function for layers with multiple inputs > --------------------------------------------------------------------- > > Key: SINGA-283 > URL: https://issues.apache.org/jira/browse/SINGA-283 > Project: Singa > Issue Type: Bug > Reporter: wangwei > Assignee: wangwei > > For layers with multiple inputs, their source layers are visited in the > reversed order, e.g., s1, s2, s3 -> o (forward), => o, s3, s2, s1 > (backward). Consequently, we need to reverse the order of the output > gradients of o. > There is a bug of the reverse operation. > It could be fixed by: reverse(list) --> list[::-1], the first one returns a > reverselistiterator instead of a list. -- This message was sent by Atlassian JIRA (v6.3.4#6332)