performance degeneration from jdk7u2 to jdk7u6?
Jochen Theodorou
blackdrag at gmx.org
Mon May 21 01:13:40 PDT 2012
Am 21.05.2012 07:34, schrieb Mark Roos:
> Hi Jochen
>
> I ran into a similar issue ( between versions within jdk8 ) where the
> default compile
> mode had changed to tieredCompile. This made the benchmark timing
> inconsistent.
>
> I have learned to look closely at the defaults and have moved to
> specifying quite
> a few in my batch files.
how can you see the defaults? and how can you change to the "old"
hotspot engine?
I also should mention that even under jdk7u2 the invokedynamic version
was only minimally faster than my call site version. That's not what is
to be expected of invokedynamic.
bye Jochen
--
Jochen "blackdrag" Theodorou - Groovy Project Tech Lead
blog: http://blackdragsview.blogspot.com/
german groovy discussion newsgroup: de.comp.lang.misc
For Groovy programming sources visit http://groovy-lang.org
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