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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2017/11/13 06:57:18 UTC

[GitHub] eric-haibin-lin commented on issue #8539: expose group2ctx to module

eric-haibin-lin commented on issue #8539: expose group2ctx to module
URL: https://github.com/apache/incubator-mxnet/pull/8539#issuecomment-343830155
 
 
   I think accepted arguments should be in the form of:
   1. `{'dev1':mx.cpu(), 'dev2':mx.gpu(0)}`
   2. `{'dev1':mx.cpu(), 'dev2':[mx.gpu(0)]}`
   3. `{'dev1':mx.cpu(), 'dev2':[mx.gpu(0), mx.gpu(1)]}`, 
   4. `{'dev1':[mx.cpu(), mx.cpu()], 'dev2':[mx.gpu(0), mx.gpu(1)]}`, 
   
   1 and 2 are equivalent. 3 and 4 are equivalent. For the case of 3, we transform `g2x['dev1']` to [mx.cpu()] * 2 internally. 

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