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Posted to dev@qpid.apache.org by "Ganesh Murthy (Jira)" <ji...@apache.org> on 2019/09/17 20:00:00 UTC
[jira] [Commented] (DISPATCH-1371) qd_alloc can reuse instances in
LIFO order
[ https://issues.apache.org/jira/browse/DISPATCH-1371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16931778#comment-16931778 ]
Ganesh Murthy commented on DISPATCH-1371:
-----------------------------------------
[~nigro.fra@gmail.com] can we close this ?
> qd_alloc can reuse instances in LIFO order
> ------------------------------------------
>
> Key: DISPATCH-1371
> URL: https://issues.apache.org/jira/browse/DISPATCH-1371
> Project: Qpid Dispatch
> Issue Type: Improvement
> Affects Versions: 1.8.0
> Reporter: Francesco Nigro
> Priority: Minor
>
> qd_dealloc is inserting instances on the tail of the thread local free_list while qd_alloc is reading from the head, always causing cache misses unless free_list size is 1.
> qd_alloc could instead reuse the last inserted instance ie the tail, using free_list as a stack (with LIFO accesses).
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