[jira] [Resolved] (SOLR-15559) Avoid object creation in splitSmart()

["Mike Drob (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-15559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mike Drob resolved SOLR-15559.
------------------------------
    Fix Version/s: main (9.0)
       Resolution: Fixed

> Avoid object creation in splitSmart()
> -------------------------------------
>
>                 Key: SOLR-15559
>                 URL: https://issues.apache.org/jira/browse/SOLR-15559
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>    Affects Versions: main (9.0), 8.9
>            Reporter: Gus Heck
>            Assignee: Gus Heck
>            Priority: Minor
>             Fix For: main (9.0)
>
>         Attachments: MyBenchmark.java
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> While reading code for other things I noticed a small inefficiency in the splitSmart(String, String, boolean) method where it's creating new StringBuilder objects unnecessarily inside a loop. For fun I fixed this and JMH bench marked the fix to see what it was worth. The answer is about 30% relative improvement, but only a couple microseconds absolute. Not exactly exciting since I don't think there's anywhere that really loops hard on this, but having it coded and tests passing and improvements measured, might as well put it in.
>  



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