Performing an isolated test as I do not have all the checkouts, building
epsg-hsql on geotools open_jdk branch:

mvn clean install -Dall -T8

Nothing statistically significant.

1) openjdk 11 2018-09-25

*gt-metadata:*
Total time: 17.631 s (Wall Clock)
Total time: 16.730 s (Wall Clock)
*gt-epsg-hsql:*
Total time: 28.384 s (Wall Clock)
Total time: 25.707 s (Wall Clock)
 Total time: 25.640 s (Wall Clock)

2) java version "11" 2018-09-25

*gt-metadata:*
Total time: 17.267 s (Wall Clock)
Total time: 16.697 s (Wall Clock)
*gt-epsg-hsql:*
Total time: 26.806 s (Wall Clock)
Total time: 25.935 s (Wall Clock)
Total time: 26.173 s (Wall Clock)
Total time: 25.885 s (Wall Clock)
--
Jody Garnett


On Sat, 13 Oct 2018 at 12:18, Andrea Aime <andrea.a...@geo-solutions.it>
wrote:

> I would be surprised if it did but worth trying anyways. Do you have time?
> On my side I'll give a kick to the openj9 variant of opening
>
> Cheers
> Andrea
>
> Il sab 13 ott 2018, 19:08 Jody Garnett <jody.garn...@gmail.com> ha
> scritto:
>
>> I wonder if the oracle jdk 11 compiler is faster? It is legit to use that
>> for development (just not production).
>> --
>> Jody Garnett
>>
>>
>> On Sat, 13 Oct 2018 at 02:03, Andrea Aime <andrea.a...@geo-solutions.it>
>> wrote:
>>
>>> On Fri, Oct 12, 2018 at 8:42 AM Andrea Aime <
>>> andrea.a...@geo-solutions.it> wrote:
>>>
>>>> That must of been a lot of warnings, or is the new compiler just
>>>>> slower?
>>>>>
>>>>
>>>> No idea, did not check, but it's something that we want to investigate,
>>>> the time increase is just insane and going to badly affect our
>>>> productivity.
>>>>
>>>
>>> Compiler seems slower, jdk 8 builds geotools in 2:20 without tests on
>>> jdk8, but takes 3:35 in the same conditions on jdk 11... pff....
>>> However that means there is another ~1:30 lost running tests... it just
>>> seems slower overall
>>>
>>> Cheers
>>> Andrea
>>>
>>> ==
>>>
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