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Groups > comp.lang.java.programmer > #36547
| From | j4n bur53 <janburse@fastmail.fm> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Jigsaw |
| Date | 2017-04-28 00:52 +0200 |
| Organization | albasani.net |
| Message-ID | <odtsng$u8d$1@news.albasani.net> (permalink) |
| References | <jigsaw-20170421020552@ram.dialup.fu-berlin.de> <odtr73$428$1@news.albasani.net> <odts5i$eo$1@news.albasani.net> |
By a quick chekk I dont find any tickets on the internet
discussing slow application performance of JDK 9.
But a couple of discussions about slow compilation
performance. But I guess the two are related,
the compiler is just another application.
j4n bur53 schrieb:
> Still performance issue:
>
> JDK 8: Total in 5994 (44 gc) ms
> JDK 9: Total in 9668 (16 gc) ms
>
> Versions used:
>
> java version "1.8.0_131"
> Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
> Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)
>
> java version "9-ea"
> Java(TM) SE Runtime Environment (build 9-ea+167)
> Java HotSpot(TM) 64-Bit Server VM (build 9-ea+167, mixed mode)
>
> j4n bur53 schrieb:
>> My first experience with JDK 9:
>>
>> The following code didn't work anymore:
>>
>> if (UIManager.getLookAndFeel() instanceof WindowsLookAndFeel) {
>>
>> On a windows machine it barked that I am not allowed
>> to access the class WindowsLookAndFeel.
>>
>> I did the following workaround:
>>
>> if (LAF_ID.equals(UIManager.getLookAndFeel().getID())) {
>>
>> I have mixed feelings towards JDK 9. It also
>> run 50% slower than JDK 8. I was running my usual
>> benchmark all of them were significantly slower.
>>
>> I did these tests 2-3 months ago, maybe the
>> performance problem is now fixed. Dunno.
>>
>> Stefan Ram schrieb:
>>> No, my post is not about Scott Stark's blog entry,
>>> but rather about this sentence:
>>>
>>> »The previously monolithic runtime library rt.jar is
>>> now split up in Java 9.«
>>> ¯¯¯¯¯¯¯¯¯¯¯¯
>>> Didn't I hear that some years before? Wait!
>>> Yes - here it is:
>>>
>>> »Java SE 6 Update 10 consists of several technologies
>>> that improve the user experience related to installing
>>> the JRE, and to deploying and running rich-client Java
>>> (and JavaFX) programs: · Java Kernel Online Installer
>>> - The JRE is now divided into small bundles.«.
>>> ¯¯¯¯¯¯¯¯¯¯¯
>>>
>>
>
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Re: Jigsaw j4n bur53 <janburse@fastmail.fm> - 2017-04-28 00:26 +0200
Re: Jigsaw j4n bur53 <janburse@fastmail.fm> - 2017-04-28 00:43 +0200
Re: Jigsaw j4n bur53 <janburse@fastmail.fm> - 2017-04-28 00:52 +0200
Re: Jigsaw Arne Vajhøj <arne@vajhoej.dk> - 2017-04-27 21:27 -0400
Re: Jigsaw j4n bur53 <janburse@fastmail.fm> - 2017-04-28 12:30 +0200
Re: Jigsaw Arne Vajhøj <arne@vajhoej.dk> - 2017-04-28 08:18 -0400
Re: Jigsaw v_borchert@despammed.com (Volker Borchert) - 2017-04-28 20:01 +0000
Re: Jigsaw Arne Vajhøj <arne@vajhoej.dk> - 2017-04-28 19:20 -0400
Re: Jigsaw Arne Vajhøj <arne@vajhoej.dk> - 2017-04-27 21:07 -0400
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