[rvm-issues] [jira] Commented: (RVM-808) OutOfMemoryError when allocating a 200 MB tab

[Thomas Preud'h. (JIRA) <ji...@co...>]

    [ http://jira.codehaus.org/browse/RVM-808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=171389#action_171389 ] 

Thomas Preud'homme commented on RVM-808:
----------------------------------------

I've just tested r15632 and it works indeed perfectly well.

Thanks for the fix, it was very quick.

> OutOfMemoryError when allocating a 200 MB tab
> ---------------------------------------------
>
>                 Key: RVM-808
>                 URL: http://jira.codehaus.org/browse/RVM-808
>             Project: RVM
>          Issue Type: Bug
>          Components: MMTk: GenMS
>    Affects Versions: 3.0.1
>         Environment: Linux IA32 in host and target with production config (GenMS GC). The machine is a bi xeon with 2GB of RAM with a 32 bit Debian GNU/Linux
>            Reporter: Thomas Preud'homme
>            Assignee: Steve Blackburn
>
> When allocating a 200 MB tab, a OOM is thrown. Here is a code which lead to a OOM :
> package lip6.jikesrvm.bench;
> public class Test
> {
>         public static final int NB_ELEM = 200 * 1024 * 1024 / 4;
>         private static int[] tab;
>         public static void main(String args[])
>         {
>                 tab = new int[NB_ELEM];
>         }
> };
> The program is run with rvm -cp barrier/bin -Xms1G -Xmx1.5G -X:processors=all lip6.jikesrvm.bench.Test
> This perfectly run with sun JVM or with NB_ELEM set at 20 * 1024 * 1024

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