Groups > comp.lang.java.programmer > #38587

Re: JDK 9 strings very slow

From	j4n bur53 <janburse@fastmail.fm>
Newsgroups	comp.lang.java.programmer
Subject	Re: JDK 9 strings very slow
Date	2018-08-31 09:56 +0200
Organization	albasani.net
Message-ID	<pmasc1$qvq$1@news.albasani.net> (permalink)
References	(6 earlier) <pm1bo4$ea4$1@news.albasani.net> <pm1cjk$959$1@dont-email.me> <852fbf5a-209c-4c0a-a77e-7bf29d7e3f9f@googlegroups.com> <c4bd685d-94f8-452c-935d-a96d9ebd6144@googlegroups.com> <bdf6de10-3a06-4733-8306-b70983429264@googlegroups.com>

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Zulu from Azul is also in the slow camp. Just
tested with zulu11.1+23-ea-jdk11-macosx_x64,
the list now reads:

       JDK   8: ca.   9000 ms
       Graal 8: ca.   9000 ms
       JDK  11: ca.  14000 ms
       Zulu 11: ca.  14000 ms

bursejan@gmail.com schrieb:
> I tried Graal VM, just used the link from here,
> which provided me a Graal Java installation, i.e.
> javac, java, etc.. but only with Graal VM.
> 
>    Top 10 Things To Do With GraalVM
>    https://chrisseaton.com/truffleruby/tenthings/
> 
> The preparatory cold run took a little bit
> more time, but then the end result was:
> 
>      JDK   8: ca.   9000 ms
>      Graal 8: ca.   9000 ms
>      JDK  11: ca.  14000 ms
> 
> Maybe the good GC performance will be
> preserved inside GraalVM in the future.
> IBM JDK 7.1 I could also download but there
> 
> was a crypt padding error, couldn't run any
> tests. And an IBM JDK 8 I could not yet
> find for non-linux.
> 
> Am Freitag, 31. August 2018 03:56:20 UTC+2 schrieb burs...@gmail.com:
>> I guess jumping major release numbers from
>> JDK 9, JDK 10, JDK 11 hasn't done anything
>> good. Basically this fine gem of JDK 8
>>
>> is still not paralleled. I did some measurement
>> with JDK 11 vs JDK 8. JDK 11 has still awful
>> heap performance:
>>
>>      JDK  8: ca.   9000 ms
>>      JDK 11: ca.  14000 ms
>>
>> Exact same code...
>>
>> Am Montag, 27. August 2018 19:50:12 UTC+2 schrieb burs...@gmail.com:
>>> So I am at a point where:
>>>
>>>     metal = Strings
>

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JDK 9 strings very slow j4n bur53 <janburse@fastmail.fm> - 2018-07-27 15:47 +0200
  Re: JDK 9 strings very slow j4n bur53 <janburse@fastmail.fm> - 2018-07-27 15:56 +0200
    Re: JDK 9 strings very slow j4n bur53 <janburse@fastmail.fm> - 2018-07-27 16:21 +0200
  Re: JDK 9 strings very slow Eric Sosman <esosman@comcast-dot-net.invalid> - 2018-07-27 10:11 -0400
    Re: JDK 9 strings very slow j4n bur53 <janburse@fastmail.fm> - 2018-07-27 16:23 +0200
      Re: JDK 9 strings very slow j4n bur53 <janburse@fastmail.fm> - 2018-07-27 16:25 +0200
  Re: JDK 9 strings very slow bursejan@gmail.com - 2018-08-26 09:44 -0700
    Re: JDK 9 strings very slow Eric Sosman <esosman@comcast-dot-net.invalid> - 2018-08-26 16:36 -0400
      Re: JDK 9 strings very slow j4n bur53 <janburse@fastmail.fm> - 2018-08-26 23:33 +0200
        Re: JDK 9 strings very slow Eric Sosman <esosman@comcast-dot-net.invalid> - 2018-08-27 10:31 -0400
          Re: JDK 9 strings very slow j4n bur53 <janburse@fastmail.fm> - 2018-08-27 19:01 +0200
            Re: JDK 9 strings very slow j4n bur53 <janburse@fastmail.fm> - 2018-08-27 19:17 +0200
              Re: JDK 9 strings very slow Eric Sosman <esosman@comcast-dot-net.invalid> - 2018-08-27 13:32 -0400
                Re: JDK 9 strings very slow bursejan@gmail.com - 2018-08-27 10:49 -0700
                Re: JDK 9 strings very slow bursejan@gmail.com - 2018-08-30 18:56 -0700
                Re: JDK 9 strings very slow bursejan@gmail.com - 2018-08-31 00:29 -0700
                Re: JDK 9 strings very slow j4n bur53 <janburse@fastmail.fm> - 2018-08-31 09:56 +0200

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