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From: Robert Klemme <shortcutter@googlemail.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: Java 7 vs 8 speed issues on Win7?
Date: Thu, 06 Nov 2014 08:48:09 +0100
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On 06.11.2014 05:32, Eric Sosman wrote:

>      So, all we have is:
>
>      - An application (whose nature, function, size, and performance
>        characteristics aren't divulged) performed acceptably on one
>        machine with one O/S and one Java version,
>
>      - When the Java version, O/S, and machine were all changed, the
>        application performed poorly,
>
>      - When the Java version was changed yet again, things improved.
>
> Three variables, two times two times three equals twelve configurations
> of which three were observed, and the only data we have from the
> observations are "it performed very poorly" and "the performance
> improved considerably."
>
>      Anybody who can draw a diagnosis from so little data has psychic
> powers.

Amen to that.

Even without measurement data there is a lot more information that Knute 
could provide:

- Type of application (UI, server...)
- Type of processing typically done
- Use of threads
- Use of particular libraries or frameworks
etc.

Cheers

	robert