systemml-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Matthias Boehm (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (SYSTEMML-2098) Sparse result merge w/ empty in-place target hangs
Date Tue, 06 Feb 2018 22:54:00 GMT

     [ https://issues.apache.org/jira/browse/SYSTEMML-2098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matthias Boehm closed SYSTEMML-2098.
------------------------------------
       Resolution: Fixed
         Assignee: Matthias Boehm
    Fix Version/s: SystemML 1.1

> Sparse result merge w/ empty in-place target hangs
> --------------------------------------------------
>
>                 Key: SYSTEMML-2098
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2098
>             Project: SystemML
>          Issue Type: Bug
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>            Priority: Major
>             Fix For: SystemML 1.1
>
>
> For the following script, the parfor optimizer marks X for update in place, which in
turn causes its empty allocation in CSR. Merging the first sparse matrix then hangs in an
endless loop trying to allocate the target.
> {code}
> X = matrix(0, rows=10000, cols=10000);
> parfor(i in 1:12, log=DEBUG) {
>   X += rand(rows=10000,cols=10000, sparsity=0.2, seed=7);
>   while(FALSE){}
>   print("iteration "+i);
> }
> print(sum(X));
> {code}



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

Mime
View raw message