[jira] [Closed] (SYSTEMML-2427) Incorrect nnz after rand of large dense block

["Matthias Boehm (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SYSTEMML-2427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias Boehm closed SYSTEMML-2427.
------------------------------------
    Fix Version/s: SystemML 1.2
         Assignee: Matthias Boehm
       Resolution: Fixed

> Incorrect nnz after rand of large dense block
> ---------------------------------------------
>
>                 Key: SYSTEMML-2427
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2427
>             Project: SystemML
>          Issue Type: Bug
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>            Priority: Major
>             Fix For: SystemML 1.2
>
>
> The following code gives correctly {{2.0E9}} with with {{N=20000000}} but consistently {{2.4970522E9}} with {{N=25000000}} independent of the runtime seed.
> {code}
> X = rand(rows=N, cols=100)
> if(sum(X)==0)
>   X[7,] = matrix(0, 1, 100)
> print(sum(X!=0));
> {code}



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