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Feature request: force_backward option, backward for bottom layers #165

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NOTtheMessiah opened this issue Nov 30, 2015 · 0 comments
Open

Feature request: force_backward option, backward for bottom layers #165

NOTtheMessiah opened this issue Nov 30, 2015 · 0 comments

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@NOTtheMessiah
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Caffe uses force_backward=True to allow one to compute gradients for data layers to do things such as DeepDream. In Mocha, you have empty implementations of backwards for layers such as data and crop. With something like the force_backward option, one could optionally compute diffs.
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@NOTtheMessiah