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https://issues.apache.org/jira/browse/SYSTEMML-2389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16510234#comment-16510234
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LI Guobao edited comment on SYSTEMML-2389 at 6/12/18 9:38 PM:
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[~mboehm7], in fact, with respect to the runtime error _ArrayIndexOutOfBounds 
-1_, I still not understand the reason for that even after debuging. Could you 
explain it with some detail? I greatly appreciate that. And then I found 
another problem concerning the calculation of batch iteration number for 
workers. I have fixed it already. But afterwards, the test will fail due to the 
runtime array error. Because the size of last iteration will often be small. In 
this case, I think we need to fix this problem before doing the PR for this 
ticket.


was (Author: guobao):
[~mboehm7], in fact, with respect to the runtime error _ArrayIndexOutOfBounds 
-1_, I still not understand the reason for that even after debuging. Could you 
explain it with some detail? I appreciate that. And then I found another 
problem concerning the calculation of batch iteration number for workers. I 
have fixed it already. But afterwards, the test will fail due to the runtime 
array error. Because the size of last iteration will often be small. In this 
case, I think we need to fix this problem before doing the PR for this ticket.

> Forget to fetch the last iteration in local workers
> ---------------------------------------------------
>
>                 Key: SYSTEMML-2389
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2389
>             Project: SystemML
>          Issue Type: Sub-task
>            Reporter: LI Guobao
>            Assignee: LI Guobao
>            Priority: Major
>
> Currently, in local workers, the last iteration of mini batch is ignored 
> because of a problem when calculating the number of iteration which is a 
> double value.



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