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From: Cecil Westerhof <Cecil@decebal.nl>
Newsgroups: comp.lang.java.programmer
Subject: Re: A third easy performance optimisation needed
Date: Thu, 13 Jul 2017 15:14:49 +0200
Organization: Decebal Computing
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Eric Sosman <esosman@comcast-dot-net.invalid> writes:

> On 7/13/2017 3:54 AM, Cecil Westerhof wrote:
>> I am going to give a presentation about how to easily improve the
>> performance of your Java programs. Two subjects I already have are
>> using final and being careful with autoboxing. I would like a third
>> one. Anyone a good suggestion?
>
>     I'm not sure what you intend to say about `final', but I
> hope you're familiar with Brian Goetz' thoughts on the matter:
>
> https://www.ibm.com/developerworks/java/library/j-jtp04223/index.html#N10087
>
> https://www.ibm.com/developerworks/java/library/j-jtp1029/index.html

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.

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof