Groups > comp.lang.java.programmer > #20866

Re: n-dimensional raytracer

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Date	Wed, 02 Jan 2013 11:04:26 +0100
From	Thorsten Kiefer <me@home.org>
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Subject	Re: n-dimensional raytracer
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Am 01.01.2013 23:17, schrieb Lew:
> Joerg Meier wrote:
>> Lew wrote:
>>> Thorsten Kiefer wrote:
>>>> this is an example program :
>>> For maximum clarity, Usenet posts should have all relevant information in
>>> the body of the post proper.
>>>> https://github.com/******/RayMultiDim.git
>>>> https://github.com/******/CPURootBeer.git
>>
>>>> Needs at least an 8-core cpu [sic].
>>
>>> Well, I'm sure you are very proud.
>>
>>> What is this, is it even in Java, and why should we care?
>>
>>> I am rather interested in how you determined that this program
>>> (it is a program, right?) needs an eight-core CPU.
>>
>>> Care to share?
>>
>>> But don't share here if the program isn't written in Java.
>>
>> It's Java, albeit pretty horrible Java - Exceptions are quietly swallowed,
>
> Good news. Then it's on topic.
>
>> everything is public, no comments, and the parts of the program I looked at
>> look like one giant race condition, where bugs are treated with the good
>> old "sleep and retry in a moment" method.
>>
>> I could also find no indication that this program would need a special kind
>> of CPU, other than it spawning 16 ThreadS. My best guess is that this is a
>> port of a C program by someone who doesn't understand Java very well yet,
>> and probably never programmed for a living.
>
> So let's punt back to the OP: What would you like from us with regard to
> your post?
>
> Are you looking for comments? Advice?
>

Yes, I would like some comments :)
The reason, why I said it needs an 8-core, is such that it renders in 
realtime.

Regards
Thorsten

Thread

n-dimensional raytracer Thorsten Kiefer <me@home.org> - 2013-01-01 17:09 +0100
  Re: n-dimensional raytracer Lew <lewbloch@gmail.com> - 2013-01-01 10:21 -0800
    Re: n-dimensional raytracer Joerg Meier <joergmmeier@arcor.de> - 2013-01-01 23:07 +0100
      Re: n-dimensional raytracer Lew <lewbloch@gmail.com> - 2013-01-01 14:17 -0800
        Re: n-dimensional raytracer Thorsten Kiefer <me@home.org> - 2013-01-02 11:04 +0100
          Re: n-dimensional raytracer Lew <lewbloch@gmail.com> - 2013-01-02 11:21 -0800
          Re: n-dimensional raytracer Arne Vajhøj <arne@vajhoej.dk> - 2013-01-02 19:34 -0500
  Re: n-dimensional raytracer bob smith <bob@coolfone.comze.com> - 2013-01-03 09:13 -0800
    Re: n-dimensional raytracer Lew <lewbloch@gmail.com> - 2013-01-03 13:24 -0800

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