Fix send to avoid deadlock without inputs does not reqires grad #214
+101
−29
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Can one of the admins verify this patch? |
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The current version of
chainermn.functions.sendwill cause deadlock since itsbackwardcannot be called in the case whererequire_gradof all inputs forsendare not set.I solved simply by adding a dummy variable to inputs of
send.(This PR depends on #213)