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https://issues.apache.org/jira/browse/SINGA-494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhangzhaoqi resolved SINGA-494.
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Resolution: Implemented
> Singa autograd improvement
> --------------------------
>
> Key: SINGA-494
> URL: https://issues.apache.org/jira/browse/SINGA-494
> Project: Singa
> Issue Type: New Feature
> Reporter: zhangzhaoqi
> Priority: Major
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Background: some autograd ops cannot satisfy the onnx demand, as following:
> # *conv, averagepool, maxpool*
> - only support 2d input, i.e, N*C*W*H
> - not support SAME_UPPER, SAME_LOWER, count_include_pad and ceil_mod
> # *reshape*
> - not support zero_dim, zero_and_negative_dim
> # *concat*
> - not support 1d
> # *matmul*
> - only support 2d
> # *min, max*
> - only support 2 inputs
> # *add*
> - not support broadcast
> # *and, or, xor*
> - not support broadcast
> # *div, pow, prelu*
> - not support broadcast
> Some improvements are being done.
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