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Groups > comp.lang.java.programmer > #29564

Re: Benchmarking

From Robert Klemme <shortcutter@googlemail.com>
Newsgroups comp.lang.java.programmer
Subject Re: Benchmarking
Date 2014-08-05 07:21 +0200
Message-ID <c4b7vmF4e3tU1@mid.individual.net> (permalink)
References <pw54eqexxnm.jwkyd2uo8ri3$.dlg@40tude.net> <mcmurtrie-496FDB.12040903082014@news.sonic.net>

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On 03.08.2014 21:04, Kevin McMurtrie wrote:

> HotSpot inlining needs to be considered too, and that depends on the
> global environment.  Not only is that difficult to benchmark, but it can
> dynamically change in the running application too.  The difference can
> be enormous for stream parsing, audio, graphics, etc.

Yes, but this is exactly what a micro benchmark does _not_ try to 
measure.  That's why it is a micro benchmark.  The effects you are 
talking about would be investigated with profiling the real application.

Kind regards

	robert

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Thread

Benchmarking Joerg Meier <joergmmeier@arcor.de> - 2014-08-03 18:13 +0200
  Re: Benchmarking Kevin McMurtrie <mcmurtrie@pixelmemory.us> - 2014-08-03 12:04 -0700
    Re: Benchmarking Robert Klemme <shortcutter@googlemail.com> - 2014-08-05 07:21 +0200

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