Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.java.programmer > #36905

Re: A third easy performance optimisation needed

Path csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From Robert Klemme <shortcutter@googlemail.com>
Newsgroups comp.lang.java.programmer
Subject Re: A third easy performance optimisation needed
Date Thu, 13 Jul 2017 19:58:12 +0200
Lines 20
Message-ID <espqllF8ajgU1@mid.individual.net> (permalink)
References <87d1946ab3.fsf@munus.decebal.nl> <ok7m1v$t5h$1@dont-email.me> <87wp7c4gxi.fsf@munus.decebal.nl> <4349fcfb-e1d4-4474-bc4d-9003d2fafeea@googlegroups.com>
Mime-Version 1.0
Content-Type text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding 7bit
X-Trace individual.net H2GYbDaKURbFUTkQYLPJRgfdvd78QxEI9nzUOe8nXYJ4x/KcE=
Cancel-Lock sha1:Hxg6xssMxghvvlKzlPPfTzqId0g=
User-Agent Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1
In-Reply-To <4349fcfb-e1d4-4474-bc4d-9003d2fafeea@googlegroups.com>
Content-Language en-US
Xref csiph.com comp.lang.java.programmer:36905

Show key headers only | View raw


On 13.07.2017 16:07, Eric Douglas wrote:
> On Thursday, July 13, 2017 at 9:28:19 AM UTC-4, Cecil Westerhof wrote:
>> As said there: for class and methods it can be wrong, but I am talking
>> about variables. And there it can make a difference. I one case code
>> takes 3 minutes without final and 18 seconds with final. That is
>> almost 17 times as fast.
> 
> I would like to see the performance tests on that.

Same here.  And frankly, I doubt that declaration of final for a 
variable can make this difference - especially since in Java 8 some 
automatic final detection is done anyway.

Kind regards

	robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/

Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread


Thread

A third easy performance optimisation needed Cecil Westerhof <Cecil@decebal.nl> - 2017-07-13 09:54 +0200
  Re:A third easy performance optimisation needed omegajunior <omegajunior@protonmail.com> - 2017-07-13 06:29 -0400
  Re: A third easy performance optimisation needed Martin Gregorie <martin@address-in-sig.invalid> - 2017-07-13 11:27 +0000
  Re: A third easy performance optimisation needed Eric Sosman <esosman@comcast-dot-net.invalid> - 2017-07-13 07:41 -0400
    Re: A third easy performance optimisation needed Eric Douglas <e.d.programmer@gmail.com> - 2017-07-13 05:48 -0700
      Re: A third easy performance optimisation needed Arne Vajhøj <arne@vajhoej.dk> - 2017-07-13 19:39 -0400
    Re: A third easy performance optimisation needed Cecil Westerhof <Cecil@decebal.nl> - 2017-07-13 15:14 +0200
      Re: A third easy performance optimisation needed Eric Douglas <e.d.programmer@gmail.com> - 2017-07-13 07:07 -0700
        Re: A third easy performance optimisation needed Robert Klemme <shortcutter@googlemail.com> - 2017-07-13 19:58 +0200
          Re: A third easy performance optimisation needed Cecil Westerhof <Cecil@decebal.nl> - 2017-07-13 20:02 +0200
  Re: A third easy performance optimisation needed Arne Vajhøj <arne@vajhoej.dk> - 2017-07-13 08:16 -0400
    Re: A third easy performance optimisation needed Eric Douglas <e.d.programmer@gmail.com> - 2017-07-13 06:08 -0700
      Re: A third easy performance optimisation needed Cecil Westerhof <Cecil@decebal.nl> - 2017-07-13 15:41 +0200
        Re: A third easy performance optimisation needed Eric Douglas <e.d.programmer@gmail.com> - 2017-07-13 07:09 -0700
          Re: A third easy performance optimisation needed Eric Douglas <e.d.programmer@gmail.com> - 2017-07-13 08:07 -0700
          Re: A third easy performance optimisation needed Cecil Westerhof <Cecil@decebal.nl> - 2017-07-13 18:37 +0200
        Re: A third easy performance optimisation needed Joshua Cranmer 🐧 <Pidgeot18@verizon.invalid> - 2017-07-13 13:19 -0500
          Re: A third easy performance optimisation needed Arne Vajhøj <arne@vajhoej.dk> - 2017-07-13 14:32 -0400
      Re: A third easy performance optimisation needed Arne Vajhøj <arne@vajhoej.dk> - 2017-07-13 13:52 -0400
        Re: A third easy performance optimisation needed Eric Douglas <e.d.programmer@gmail.com> - 2017-07-14 07:52 -0700
  A third easy performance optimisation needed lewbloch@gmail.com - 2017-07-14 14:47 -0700

csiph-web