POV-Ray : Newsgroups : povray.beta-test : Long parse time Server Time
29 Jul 2024 10:20:31 EDT (-0400)
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From: Francois Labreque
Subject: Re: Long parse time
Date: 15 Feb 2004 22:20:54
Message: <40303716$1@news.povray.org>
Program ended abnormally on 15/02/2004 22:00, Due to a catastrophic Francois 
Labreque error:

> Program ended abnormally on 15/02/2004 15:44, Due to a catastrophic 
> Gilles Tran error:
> 

>> news:402a932d$1@news.povray.org...
>>
>>
>>> Does anyone noticed similar behaviour ?
>>
>>
>>
>> In addition to meshes, a simple loop causes it too.
>>
>> #declare i=0;
>> #while (i<100000)
>>     sphere{0,1 translate x*i*2 pigment{rgb x}}
>>     #declare i=i+1;
>> #end
>>
>> Takes 19s with 3.6b1, 8s with 3.5
>> Intel P4 1.7Gz, Windows XP HE SP1, 1GB RAM.
>>
>> G.
>>
> 
> I figured that on a slower machine, the difference would be more 
> noticeable,
> 
> Version:    Parse times:
> --------    ------------
> POV 3.1:        19s.
> MegaPOV 0.7:        20s.
> POV 3.5 (ICL):        17s.
> MegaPOV 1.0 (MSVC):    20s.
> POV 3.6 (beta1):    28s.
> 
> I noticed that 3.6 updates the status line while parsing this scene 
> while previous versions only had a "parsing..." message, maybe the added 
> calculations and time spent updating the status line have something to 
> do with it.
> 

Oops!  I should have added my machine's specs.

AMD Athlon 650 MHz.  512MB RAM.  Win98SE.

BTW, sorry about the messed up table.  It seems Mozilla has issues with the TAB key.
-- 
/*Francois Labreque*/#local a=x+y;#local b=x+a;#local c=a+b;#macro P(F//
/*    flabreque    */L)polygon{5,F,F+z,L+z,L,F pigment{rgb 9}}#end union
/*        @        */{P(0,a)P(a,b)P(b,c)P(2*a,2*b)P(2*b,b+c)P(b+c,<2,3>)
/*   videotron.ca  */}camera{orthographic location<6,1.25,-6>look_at a }


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