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Posted to commits@harmony.apache.org by "Naumova Natalya (JIRA)" <ji...@apache.org> on 2007/12/10 08:45:43 UTC

[jira] Updated: (HARMONY-5277) [startup][performance]

     [ https://issues.apache.org/jira/browse/HARMONY-5277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Naumova Natalya  updated HARMONY-5277:
--------------------------------------

    Attachment: jarmapping.BCP.patch

1. Bootstrap jar files mapping : we can deliver from a big amount of system calls (such as lseek, read etc) by mapping jars into memory via CreateFileMapping for windows  and nmap for linux. Then we can work using pointer arithmetic only. 

> [startup][performance]
> ----------------------
>
>                 Key: HARMONY-5277
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5277
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: Naumova Natalya 
>         Attachments: jarmapping.BCP.patch
>
>
> Some general improvements for VM startup will be collected here. Optimizations are for both DRLVM and CLASSLIB. 

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