[jira] Commented: (HARMONY-5524) [drlvm][performance] Bootstrap class loader should use single entry cache for sequential jars in boot class path.

["Pavel Pervov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HARMONY-5524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12569817#action_12569817 ] 

Pavel Pervov commented on HARMONY-5524:
---------------------------------------

If there is a directory in boot class path between jars, several jar caches will be used. Still the number of lookups will be lower than the total number of jars.

> [drlvm][performance] Bootstrap class loader should use single entry cache for sequential jars in boot class path.
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-5524
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5524
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: Pavel Pervov
>            Priority: Minor
>         Attachments: single_jar_cache.patch
>
>
> As Harmony class library has many jars in it's distribution (~50, DRLVM should try to add jar entries from jars in its boot class path to single cache to allow single lookup on class loading.
> I'll attach the patch implementing this feature.

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