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From "Alexei Fedotov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5281) [drlvm][startup][performance][classloader] mapping bootstrap jars directly into memory
Date Mon, 04 Feb 2008 14:53:08 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12565375#action_12565375

Alexei Fedotov commented on HARMONY-5281:

Hello, Natalya,
There are plenty of comments in your patch and they are hardly readable. I would really appreciate
if you make some of these comments more descriptive, and remove those which may confuse a

> [drlvm][startup][performance][classloader] mapping bootstrap jars directly into memory
> --------------------------------------------------------------------------------------
>                 Key: HARMONY-5281
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5281
>             Project: Harmony
>          Issue Type: Sub-task
>          Components: DRLVM
>            Reporter: Naumova Natalya 
>         Attachments: jarmapping.BCP.patch
> 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. 
> The same can be done with classlib jars also..

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