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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2020/07/23 01:48:50 UTC

[GitHub] [incubator-mxnet] leezu commented on issue #18772: horovod seg-fault with mxnet pip wheels

leezu commented on issue #18772:
URL: https://github.com/apache/incubator-mxnet/issues/18772#issuecomment-662781755


   Horovod includes the MXNet C++ headers and based on them interacts with the Engine: 
   
   https://github.com/horovod/horovod/blob/cf022be959a7c9431a8415729758b26dec1a87e5/horovod/mxnet/mpi_ops.h#L23-L24
   
   But C++ does not have a stable ABI and your Horovod isn't compiled with the same ABI as the MXNet binary wheel. Thus it crashes.


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