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Groups > comp.lang.java.programmer > #21966

Re: String.substring in JDK 1.7.0_6+

Date 2013-02-01 19:57 +0100
From jlp <jlp@jlp.com>
Newsgroups comp.lang.java.programmer
Subject Re: String.substring in JDK 1.7.0_6+
References <510c0a6a$0$8985$ba4acef3@reader.news.orange.fr> <keh22t$de$1@dont-email.me> <510c0c7c$0$1368$ba4acef3@reader.news.orange.fr> <keh2g5$3am$1@dont-email.me>
Message-ID <510c1023$0$9019$ba4acef3@reader.news.orange.fr> (permalink)
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Le 01/02/2013 19:45, markspace a écrit :
> On 2/1/2013 10:42 AM, jlp wrote:
>> Le 01/02/2013 19:38, markspace a écrit :
>>> On 2/1/2013 10:33 AM, jlp wrote:
>>>> What do you think about this ?
>>>>
>>>
>>> I think micro-benchmarks don't work.
>>>
>>>
>>
>> What is wrong in this test ?
>>
>
>
> It's a micro-benchmark.
>
ok ;-)

But it seems problematic in "real world"
https://jira.springsource.org/browse/SPR-9781?page=com.atlassian.jira.plugin.system.issuetabpanels:changehistory-tabpanel
http://grokbase.com/t/gg/scala-user/131993ttrq/why-is-string-grouped-so-slow

-- 
Cordialement
Jean-Louis Pasturel

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Thread

String.substring in JDK 1.7.0_6+ jlp <jlp@jlp.com> - 2013-02-01 19:33 +0100
  Re: String.substring in JDK 1.7.0_6+ markspace <markspace@nospam.nospam> - 2013-02-01 10:38 -0800
    Re: String.substring in JDK 1.7.0_6+ jlp <jlp@jlp.com> - 2013-02-01 19:42 +0100
      Re: String.substring in JDK 1.7.0_6+ markspace <markspace@nospam.nospam> - 2013-02-01 10:45 -0800
        Re: String.substring in JDK 1.7.0_6+ jlp <jlp@jlp.com> - 2013-02-01 19:57 +0100
          Re: String.substring in JDK 1.7.0_6+ markspace <markspace@nospam.nospam> - 2013-02-01 11:20 -0800
  Re: String.substring in JDK 1.7.0_6+ Jan Burse <janburse@fastmail.fm> - 2013-02-01 20:34 +0100
  Re: String.substring in JDK 1.7.0_6+ Kevin McMurtrie <mcmurtrie@pixelmemory.us> - 2013-02-01 20:58 -0800
    Re: String.substring in JDK 1.7.0_6+ markspace <markspace@nospam.nospam> - 2013-02-01 22:55 -0800
      Re: String.substring in JDK 1.7.0_6+ Kevin McMurtrie <mcmurtrie@pixelmemory.us> - 2013-02-02 08:43 -0800
        Re: String.substring in JDK 1.7.0_6+ markspace <markspace@nospam.nospam> - 2013-02-02 10:56 -0800
          Re: String.substring in JDK 1.7.0_6+ Kevin McMurtrie <mcmurtrie@pixelmemory.us> - 2013-02-02 14:46 -0800
            Re: String.substring in JDK 1.7.0_6+ markspace <markspace@nospam.nospam> - 2013-02-02 15:31 -0800
            Re: String.substring in JDK 1.7.0_6+ Robert Klemme <shortcutter@googlemail.com> - 2013-02-03 15:09 +0100

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