reminisce commented on a change in pull request #16716: [Numpy][WIP] Fix
collect_params().zero_grad() in gluon numpy interface
URL: https://github.com/apache/incubator-mxnet/pull/16716#discussion_r342178728
##########
File path: python/mxnet/gluon/parameter.py
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@@ -904,7 +904,11 @@ def zero_grad(self):
return
for arr in arrays.values():
- mx.nd.reset_arrays(*arr, num_arrays=len(arr))
+ if is_np_array():
+ for ele in arr:
+ ele[:] = 0
Review comment:
Need to use `ele[()] = 0` here for supporting zero-dim ndarrays as well.
`slice(None)` is not allowed as an index for those ndarrays.
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