[NetBehaviour] How to display code-based art...

[Pall Thayer]

Ah haha... oops.

Even so, after fixing there's no difference. I get the feeling that
it's doing the same thing to both regardless of the funroll flag. Is
there any way to see what it actually does?


On Mon, Sep 7, 2009 at 9:14 PM, james morris<james at jwm-art.net> wrote:
>
> try this just to see what is happening:
>
> --------8<------------
>
> #include<stdio.h>
>
> int main()
> {
>    int i;
>    for(i=0;i <= 999999999;i++){
>        printf("i1:%d\n",i);
>        for(i=0;i <= 999999999;i++){
>            printf("i2:%d\n",i);
>            for(i=0;i <= 999999999;i++){
>                printf("i3:%d\n",i);
>                for(i=0;i <= 999999999;i++){
>                    printf("i3:%d\n",i);
>                    for(i=0;i <= 999999999;i++){
>                        printf("i3:%d\n",i);
>                        for(i=0;i <= 999999999;i++){
>                        }
>                    }
>                }
>            }
>        }
>    }
>    return 0;
> }
>
> --------8<------------
>
> so what you actually wanted was:
>
> --------8<------------
>
> #include<stdio.h>
>
> int main()
> {
>    int i;
>    for(i=0;i <= 999999999;i++){
>        int i;
>        for(i=0;i <= 999999999;i++){
>            int i;
>            for(i=0;i <= 999999999;i++){
>                int i;
>                for(i=0;i <= 999999999;i++){
>                    int i;
>                    for(i=0;i <= 999999999;i++){
>                        int i;
>                        for(i=0;i <= 999999999;i++){
>                            printf("Hello World");
>                        }
>                    }
>                }
>            }
>        }
>    }
>    return 0;
> }
>
> --------8<------------
>
> which still does not result in any size difference!
>
> james.
>
>
> On 7/9/2009, "Pall Thayer" <pallthay at gmail.com> wrote:
>
>>I don't know what I'm doing wrong but I'm not seeing a size difference
>>in these two compilations:
>>
>>gcc -funroll-loops infinite.c -o infinite
>>gcc infinite.c -o infinite2
>>
>>of this code:
>>
>>#include<stdio.h>
>>
>>main()
>>{
>>    int i;
>>    for(i=0;i <= 999999999;i++){
>>    for(i=0;i <= 999999999;i++){
>>    for(i=0;i <= 999999999;i++){
>>    for(i=0;i <= 999999999;i++){
>>    for(i=0;i <= 999999999;i++){
>>    for(i=0;i <= 999999999;i++){
>>        printf("Hello World");
>>    }
>>
>>    }
>>
>>    }
>>
>>    }
>>
>>    }
>>
>>    }
>>
>>}
>>
>>
>>On Mon, Sep 7, 2009 at 6:37 PM, james morris<james at jwm-art.net> wrote:
>>>
>>> On 7/9/2009, "Pall Thayer" <pallthay at gmail.com> wrote:
>>>
>>>>What exactly happens when you try to unroll an infinite loop?
>>>
>>> http://en.wikipedia.org/wiki/Loop_unwinding#A_simple_example
>>>
>>> might shed some light on what might happen.
>>>
>>> james.
>>>
>>>>On Mon, Sep 7, 2009 at 6:14 PM, james morris<james at jwm-art.net> wrote:
>>>>>
>>>>> On 6/9/2009, "Rob Myers" <rob at robmyers.org> wrote:
>>>>>
>>>>>>On 06/09/09 22:23, james morris wrote:
>>>>>>>
>>>>>>>> You could unroll loops in the code manually using templates for
>>>>>>>> different sections of the code. Or instantiate objects with other templates.
>>>>>>>
>>>>>>> Eurgh that's made me feel quite sick.
>>>>>>
>>>>>>It's a good job I didn't mention colouring in the letters to represent
>>>>>>the compiled code then. ;-)
>>>>>>
>>>>>
>>>>> I don't know about that. It was just the image of having something
>>>>> physical - a large roll of paper - with code stenciled into it, and
>>>>> applying the GNU C Compiler's  -funroll-loops optimization to it, ++
>>>>> that with C++ Templates, and stencils, templates, loops, and rolls. Spun
>>>>> my head right round, and it was to me, pure genius of you to think of it
>>>>> like that. I never thought jokes about programming could be so funny!!!!
>>>>> Because all that I saw in Pall's stencil was a visual stencil of some
>>>>> code, which looked quite attractive in a certain way.
>>>>> _______________________________________________
>>>>> NetBehaviour mailing list
>>>>> NetBehaviour at netbehaviour.org
>>>>> http://www.netbehaviour.org/mailman/listinfo/netbehaviour
>>>>>
>>>>
>>>>
>>>>
>>>>--
>>>>*****************************
>>>>Pall Thayer
>>>>artist
>>>>http://www.this.is/pallit
>>>>*****************************
>>>>_______________________________________________
>>>>NetBehaviour mailing list
>>>>NetBehaviour at netbehaviour.org
>>>>http://www.netbehaviour.org/mailman/listinfo/netbehaviour
>>>>
>>> _______________________________________________
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>>> NetBehaviour at netbehaviour.org
>>> http://www.netbehaviour.org/mailman/listinfo/netbehaviour
>>>
>>
>>
>>
>>--
>>*****************************
>>Pall Thayer
>>artist
>>http://www.this.is/pallit
>>*****************************
>>_______________________________________________
>>NetBehaviour mailing list
>>NetBehaviour at netbehaviour.org
>>http://www.netbehaviour.org/mailman/listinfo/netbehaviour
>>
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-- 
*****************************
Pall Thayer
artist
http://www.this.is/pallit
*****************************