POV-Ray : Newsgroups : povray.unix : povbench : Re: povbench Server Time
28 Jul 2024 16:18:02 EDT (-0400)
  Re: povbench  
From: Kenneth Johansson
Date: 14 Jun 2002 17:42:18
Message: <pan.2002.06.14.21.42.18.431811.1955@canit.se>
On Wed, 12 Jun 2002 10:40:12 +0200, Thomas Willhalm wrote:

> Thorsten Froehlich wrote:
> 
>> In article <3d05de17@news.povray.org> , Thomas Willhalm
>> <tho### [at] uni-konstanzde>  wrote:
>> 
>>> finally, I've found the time to compare the different compilations of
>>> povray on a Pentium IV.  I used megapovplus and modified povbench.pov
>>> from povray 3.5 beta to run on it.
>>>
>>> Running time in seconds:
>>>                P-IV   Athlon
>>> gcc 2.95.3    13354    7035
>>> gcc 3.0.1     11319    6555
>>> gcc 3.1        8971    5901
>>> icc 6         15907    5679
>>> icc 6 IV      10589
>> 
>> What are the results of the Windows version on the same system?
> 
> I'm sorry. Windows isn't installed on any of these computers. (Well, to
> be completely honest, there is Vmware running Windows NT4 on the Athlon,
> but IMHO a benchmark of this won't tell us anything.)
> 
> THomas
 
vmware dose have very low overhead for some type of programs.
If you render without output the only overhead you get is pagefault
and that should not be more than 1-4 percent from native speed. 

Once you put things on the screen or use system functions like writing/
reading to disk you loose.


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