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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2019/01/18 17:49:46 UTC

[GitHub] yuxihu opened a new pull request #13931: [v1.4.x] Support populating errors back to MXNet engine in callback

yuxihu opened a new pull request #13931: [v1.4.x] Support populating errors back to MXNet engine in callback
URL: https://github.com/apache/incubator-mxnet/pull/13931
 
 
   This PR adds an optional dmlc::Error* argument in MXNet engine callback functions. The callers can leverage this argument to populate errors back to MXNet engine through callback such that the errors can be handled properly by MXNet engine. It is needed to populate the errors detected in Horovod back to MXNet engine for Hovorod and MXNet integration (see [PR](https://github.com/ctcyang/horovod/pull/24)). This change does not affect existing use cases.

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