Groups > comp.lang.java.programmer > #32819

Re: Translator, Compiler, Interpreter and Java

From	Arne Vajhøj <arne@vajhoej.dk>
Newsgroups	comp.lang.java.programmer
Subject	Re: Translator, Compiler, Interpreter and Java
Date	2015-10-05 22:16 -0400
Organization	Aioe.org NNTP Server
Message-ID	<muvau9$fk6$1@speranza.aioe.org> (permalink)
References	(3 earlier) <muaau2$g6h$3@dont-email.me> <munf7v$gtn$4@speranza.aioe.org> <muop52$bda$2@dont-email.me> <muv8hb$bd6$2@speranza.aioe.org> <muvacg$ba4$2@dont-email.me>

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On 10/5/2015 10:09 PM, Jerry Stuckle wrote:
> On 10/5/2015 9:35 PM, Arne Vajhøj wrote:
>> On 10/3/2015 10:38 AM, Jerry Stuckle wrote:
>>> On 10/2/2015 10:41 PM, Arne Vajhøj wrote:
>>>> On 9/27/2015 11:09 PM, Jerry Stuckle wrote:
>>>>> Who (besides you) ever said you had to run a compiler at every program
>>>>> invocation?
>>>>
>>>> You did.
>>>>
>>>> "to interpret the code and convert it to code which can be executed by
>>>> the processor"
>>>>
>>>> This process is what is called JIT compilation done by a JIT compiler.
>>>>
>>>
>>> No, Arne, that is the job of the interpreter.
>>
>> Nope.
>>
>> Conversion from byte code to native instructions is done by the JIT
>> compiler and not the interpreter. Interpreters does not output
>> native code. In fact they do not even output - they execute.
>
> The interpreter calls the JIT to compile the code.

Not really.

The JIT compiler get called even if you disable interpretation with -XComp.

>                                                  But it can do its
> job quite well without a JIT - as early versions of Java did.

Absolutely, but in that case no conversion happens.

Arne

Thread

Translator, Compiler, Interpreter and Java Jeff Higgins <jeff@invalid.invalid> - 2015-09-25 00:37 -0400
  Re: Translator, Compiler, Interpreter and Java Robert Klemme <shortcutter@googlemail.com> - 2015-09-25 08:26 +0200
  Re: Translator, Compiler, Interpreter and Java Jeff Higgins <jeff@invalid.invalid> - 2015-09-25 08:36 -0400
    Re: Translator, Compiler, Interpreter and Java Robert Klemme <shortcutter@googlemail.com> - 2015-09-25 18:18 +0200
    Re: Translator, Compiler, Interpreter and Java Arne Vajhøj <arne@vajhoej.dk> - 2015-09-27 21:05 -0400
      Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-09-27 23:07 -0400
        Re: Translator, Compiler, Interpreter and Java Arne Vajhøj <arne@vajhoej.dk> - 2015-10-02 22:39 -0400
          Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-10-03 10:36 -0400
            Re: Translator, Compiler, Interpreter and Java Arne Vajhøj <arne@vajhoej.dk> - 2015-10-05 21:33 -0400
              Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-10-05 22:08 -0400
  Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-09-25 10:32 -0400
    Re: Translator, Compiler, Interpreter and Java Arne Vajhøj <arne@vajhoej.dk> - 2015-09-27 21:15 -0400
      Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-09-27 23:09 -0400
        Re: Translator, Compiler, Interpreter and Java Arne Vajhøj <arne@vajhoej.dk> - 2015-10-02 22:41 -0400
          Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-10-03 10:38 -0400
            Re: Translator, Compiler, Interpreter and Java Arne Vajhøj <arne@vajhoej.dk> - 2015-10-05 21:35 -0400
              Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-10-05 22:09 -0400
                Re: Translator, Compiler, Interpreter and Java Arne Vajhøj <arne@vajhoej.dk> - 2015-10-05 22:16 -0400
                Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-10-05 22:26 -0400
      Re: Translator, Compiler, Interpreter and Java Lew <lewbloch@gmail.com> - 2015-10-02 13:17 -0700
        Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-10-03 10:41 -0400
          Re: Translator, Compiler, Interpreter and Java Lew <lewbloch@gmail.com> - 2015-10-04 21:24 -0700
            Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-10-05 08:45 -0400
              Re: Translator, Compiler, Interpreter and Java Lew <lewbloch@gmail.com> - 2015-10-05 10:58 -0700
                Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-10-05 14:23 -0400
                Re: Translator, Compiler, Interpreter and Java Arne Vajhøj <arne@vajhoej.dk> - 2015-10-05 22:10 -0400
                Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-10-05 22:26 -0400
          Re: Translator, Compiler, Interpreter and Java Arne Vajhøj <arne@vajhoej.dk> - 2015-10-05 22:01 -0400
            Re: Translator, Compiler, Interpreter and Java Jerry Stuckle <jstucklex@attglobal.net> - 2015-10-05 22:10 -0400
  Re: Translator, Compiler, Interpreter and Java Eternal Hope <laughingspam99@gmail.com> - 2015-09-25 16:55 +0100
    Re: Translator, Compiler, Interpreter and Java Lew <lewbloch@gmail.com> - 2015-10-02 13:14 -0700
    I don't remember JIT-ing for JDK 1.1 (Was: Translator, Compiler, Interpreter and Java) Jan Burse <janburse@fastmail.fm> - 2015-10-03 04:56 +0200
      Re: I don't remember JIT-ing for JDK 1.1 (Was: Translator, Compiler, Interpreter and Java) Arne Vajhøj <arne@vajhoej.dk> - 2015-10-02 23:11 -0400
        Re: I don't remember JIT-ing for JDK 1.1 (Was: Translator, Compiler, Interpreter and Java) Arne Vajhøj <arne@vajhoej.dk> - 2015-10-02 23:14 -0400
          Re: I don't remember JIT-ing for JDK 1.1 (Was: Translator, Compiler, Interpreter and Java) Mike Amling <mamling@chaff.us> - 2015-10-04 08:34 -0500
  Re: Translator, Compiler, Interpreter and Java Silvio <silvio@internet.com> - 2015-10-06 10:34 +0200
    Re: Translator, Compiler, Interpreter and Java Silvio <silvio@internet.com> - 2015-10-06 11:01 +0200

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