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[Feature Request] broadcast_like operator #11056

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zhanghang1989 opened this issue May 24, 2018 · 4 comments
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[Feature Request] broadcast_like operator #11056

zhanghang1989 opened this issue May 24, 2018 · 4 comments
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@zhanghang1989
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zhanghang1989 commented May 24, 2018 •
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Description

Request a broadcast_like operator, which can output a broadcasted NDArray for the given target.

For example y=nd.broadcast_like(x, z), which should return the same result with existing operator y=nd.broadcast_to(x, z.shape) but avoid reading the shape explicitly, so that it can be used in HybridBlock.
@lanking520
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I have created a JIRA ticket for this: https://issues.apache.org/jira/browse/MXNET-524.

@ifeherva
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Happy to do this next.

@ifeherva
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See #11820

@eric-haibin-lin
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Added in #11820

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@ifeherva @eric-haibin-lin @zhanghang1989 @lanking520