Revision 2bd14b7026448a10700d9ceb02c5a1d68299eda8 authored by Amit Agarwal on 25 March 2017, 13:44:41 UTC, committed by Amit Agarwal on 26 March 2017, 04:19:29 UTC
1) Fix for Premature UDF backprop state destruction in python SWIG wrapper (Willi and Eldar) 2) Add ability for output variable to specify that gradients are not needed 3) Add support for letting backward implementation of a UDF be a no-op which results in no gradients being propagated to the inputs for that UDF node 4) Change UDF bckward signature to be passed a map for filling input gradients whevener the UDF has multiple inputs 5) Performance fix to call the UDF backward methid just once for all inputs needing gradients instead of separate calls for each input
1 parent 2c480b5
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