[jira] [Commented] (DISPATCH-1371) qd_alloc can reuse instances in LIFO order

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    [ https://issues.apache.org/jira/browse/DISPATCH-1371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16865429#comment-16865429 ] 

ASF GitHub Bot commented on DISPATCH-1371:
------------------------------------------

franz1981 commented on pull request #523: DISPATCH-1371 qd_alloc can reuse instances in LIFO order
URL: https://github.com/apache/qpid-dispatch/pull/523
 
 
   
 
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> 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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